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top of pageABSTRACT

The Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. The designers of P3P simultaneously designed a preference language called APPEL to allow users to express their privacy preferences, thus enabling automatic matching of privacy preferences against P3P policies. Unfortunately subtle interactions between P3P and APPEL result in serious problems when using APPEL: Users can only directly specify what is unacceptable in a policy, not what is acceptable; simple preferences are hard to express; and writing APPEL preferences is error prone. We show that these problems follow from a fundamental design choice made by APPEL, and cannot be solved without completely redesigning the language. Therefore we explore alternatives to APPEL that can overcome these problems. In particular, we show that XPath serves quite nicely as a preference language and solves all the above problems. We identify the minimal subset of XPath that is needed, thus allowing matching programs to potentially use a smaller memory footprint. We also give an APPEL to XPath translator that shows that XPath is as expressive as APPEL.
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Author image not provided  Rakesh Agrawal

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Bibliometrics: publication history
Publication years1983-2016
Publication count174
Citation Count17,724
Available for download90
Downloads (6 Weeks)1,078
Downloads (12 Months)15,478
Downloads (cumulative)115,160
Average downloads per article1,279.56
Average citations per article101.86
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Author image not provided  Jerry Kiernan

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Bibliometrics: publication history
Publication years1990-2009
Publication count27
Citation Count863
Available for download15
Downloads (6 Weeks)71
Downloads (12 Months)647
Downloads (cumulative)15,135
Average downloads per article1,009.00
Average citations per article31.96
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Ramakrishnan Srikant Ramakrishnan Srikant

www.rsrikant.com
Bibliometrics: publication history
Publication years1994-2015
Publication count42
Citation Count9,465
Available for download24
Downloads (6 Weeks)235
Downloads (12 Months)2,901
Downloads (cumulative)41,437
Average downloads per article1,726.54
Average citations per article225.36
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Author image not provided  Yirong Xu

No contact information provided yet.

Bibliometrics: publication history
Publication years2002-2005
Publication count9
Citation Count589
Available for download7
Downloads (6 Weeks)45
Downloads (12 Months)440
Downloads (cumulative)6,906
Average downloads per article986.57
Average citations per article65.44
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top of pageREFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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R. Agrawal, J. Kiernan, R. Srikant, and Y. Xu. Implementing P3P using database technology. In 19th Int'l Conference on Data Engineering, Bangalore, India, March 2003.
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A. Berglund, S. Boag, D. Chamberlin, M. F. Fernandez, M. Kay, J. Robie, and J. Simeon, editors. XML Path Language (XPath) 2.0. W3C Working Draft, August 2002.
 
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J. Clark and S. DeRose, editors. XML Path Language (XPath) Version 1.0. W3C Recommendation, November 1999.
 
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L. Cranor, M. Langheinrich, and M. Marchiori. A P3P Preference Exchange Language 1.0 (APPEL1.0). W3C Working Draft, April 2002.
 
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L. Cranor, M. Langheinrich, M. Marchiori, M. Presler-Marshall, and J. Reagle. The Platform for Privacy Preferences 1.0 (P3P1.0) Specification. W3C Recommendation, April 2002.
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G. Hogben. A technical analysis of problems with P3P 1.0 and possible solutions. In Position paper, W3C Workshop on the Future of P3P, Dulles, Virginia USA, November 2002.
 
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JRC P3P Resource Centre. http://p3p.jrc.it.
 
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AT&T privacy bird. http://privacybird.com.
 
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The World Wide Web Consortium. Extensible Markup Language (XML). http://www.w3.org/XML.

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34 Citations

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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The ACM Computing Classification System (CCS rev.2012)

Note: Larger/Darker text within each node indicates a higher relevance of the materials to the taxonomic classification.

top of pagePUBLICATION

Title WWW '03 Proceedings of the 12th international conference on World Wide Web table of contents
Conference Chairs Gusztáv Hencsey MTA SZTAKI, Hungary
Bebo White Stanford Linear Accelerator Center, USA
Program Chairs Yih-Farn Robin Chen AT&T Labs -- Research, USA
László Kovács MTA SZTAKI, Hungary
Steve Lawrence Google Inc., USA
Pages 629-639
Publication Date2003-05-20 (yyyy-mm-dd)
Sponsor ACM Association for Computing Machinery
PublisherACM New York, NY, USA ©2003
ISBN: 1-58113-680-3 doi>10.1145/775152.775241
Conference WWWInternational World Wide Web Conference WWW logo
Overall Acceptance Rate 1,442 of 8,895 submissions, 16%
Year Submitted Accepted Rate
WWW '07 753 111 15%
WWW '08 880 103 12%
WWW '09 823 198 24%
WWW '10 754 105 14%
WWW '11 283 166 59%
WWW '11 658 81 12%
WWW '12 885 108 12%
WWW '13 831 125 15%
WWW '14 645 84 13%
WWW '15 929 131 14%
WWW '16 Companion 727 115 16%
WWW '16 727 115 16%
Overall 8,895 1,442 16%

top of pageREVIEWS


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top of pageTable of Contents

Proceedings of the 12th international conference on World Wide Web
Table of Contents
SESSION: Information Retrieval
Irwin King
Query-free news search
Monika Henzinger, Bay-Wei Chang, Brian Milch, Sergey Brin
Pages: 1-10
doi>10.1145/775152.775154
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Many daily activities present information in the form of a stream of text, and often people can benefit from additional information on the topic discussed. TV broadcast news can be treated as one such stream of text; in this paper we discuss finding ...
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Improving pseudo-relevance feedback in web information retrieval using web page segmentation
Shipeng Yu, Deng Cai, Ji-Rong Wen, Wei-Ying Ma
Pages: 11-18
doi>10.1145/775152.775155
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In contrast to traditional document retrieval, a web page as a whole is not a good information unit to search because it often contains multiple topics and a lot of irrelevant information from navigation, decoration, and interaction part of the page. ...
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Predictive caching and prefetching of query results in search engines
Ronny Lempel, Shlomo Moran
Pages: 19-28
doi>10.1145/775152.775156
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We study the caching of query result pages in Web search engines. Popular search engines receive millions of queries per day, and efficient policies for caching query results may enable them to lower their response time and reduce their hardware requirements. ...
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SESSION: Foundations of the semantic web
Amit Sheth
Model-theoretic semantics for the web
James Farrugia
Pages: 29-38
doi>10.1145/775152.775158
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Model-theoretic semantics is a formal account of the interpretations of legitimate expressions of a language. It is increasingly being used to provide Web markup languages with well-defined semantics. But a discussion of its roles and limitations for ...
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Three theses of representation in the semantic web
Ian Horrocks, Peter F. Patel-Schneider
Pages: 39-47
doi>10.1145/775152.775159
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The Semantic Web is vitally dependent on a formal meaning for the constructs of its languages. For Semantic Web languages to work well together their formal meanings must employ a common view (or thesis) of representation, otherwise it will not be possible ...
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Description logic programs: combining logic programs with description logic
Benjamin N. Grosof, Ian Horrocks, Raphael Volz, Stefan Decker
Pages: 48-57
doi>10.1145/775152.775160
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We show how to interoperate, semantically and inferentially, between the leading Semantic Web approaches to rules (RuleML Logic Programs) and ontologies (OWL/DAML+OIL Description Logic) via analyzing their expressive intersection. To do so, we define ...
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SESSION: Mobility & wireless access
Johan Hjelm
Dynamic service reconfiguration for wireless web access
Siu-Nam Chuang, Alvin T.S. Chan, Jiannong Cao, Ronnie Cheung
Pages: 58-67
doi>10.1145/775152.775162
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This paper describes a dynamic service reconfiguration model where the proxy is composed of a chain of service objects called mobilets (pronounced as mo-be-lets), which can be deployed onto the network actively. This model offers flexibility because ...
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Web browsing performance of wireless thin-client computing
S. Jae Yang, Jason Nieh, Shilpa Krishnappa, Aparna Mohla, Mahdi Sajjadpour
Pages: 68-79
doi>10.1145/775152.775163
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Web applications are becoming increasingly popular for mobile wireless systems. However, wireless networks can have high packet loss rates, which can degrade web browsing performance on wireless systems. An alternative approach is wireless thin-client ...
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Sensor-enhanced mobile web clients: an XForms approach
John Barton, Tim Kindberg, Hui Dai, Nissanka B. Priyantha, Fahd Al-bin-ali
Pages: 80-89
doi>10.1145/775152.775164
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This paper describes methods for service selection and service access for mobile, sensor-enhanced web clients such as wireless cameras or wireless PDAs with sensor devices attached. The clients announce their data-creating capabilities in "Produce" headers ...
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SESSION: Information retrieval 2
Monika Henzinger
Text joins in an RDBMS for web data integration
Luis Gravano, Panagiotis G. Ipeirotis, Nick Koudas, Divesh Srivastava
Pages: 90-101
doi>10.1145/775152.775166
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The integration of data produced and collected across autonomous, heterogeneous web services is an increasingly important and challenging problem. Due to the lack of global identifiers, the same entity (e.g., a product) might have different textual representations ...
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Dynamic maintenance of web indexes using landmarks
Lipyeow Lim, Min Wang, Sriram Padmanabhan, Jeffrey Scott Vitter, Ramesh Agarwal
Pages: 102-111
doi>10.1145/775152.775167
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Recent work on incremental crawling has enabled the indexed document collection of a search engine to be more synchronized with the changing World Wide Web. However, this synchronized collection is not immediately searchable, because the keyword index ...
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High-performance spatial indexing for location-based services
Jussi Myllymaki, James Kaufman
Pages: 112-117
doi>10.1145/775152.775168
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Much attention has been accorded to Location-Based Services and location tracking, a necessary component in active, trigger-based LBS applications. Tracking the location of a large population of moving objects requires very high update and query performance ...
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SESSION: Provisioning
Mike Dahlin
Efficient and robust streaming provisioning in VPNs
Z. Morley Mao, David Johnson, Oliver Spatscheck, Jacobus E. van der Merwe, Jia Wang
Pages: 118-127
doi>10.1145/775152.775170
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Today, most large companies maintain virtual private networks (VPNs) to connect their remote locations into a single secure network. VPNs can be quite large covering more than 1000 locations and in most cases use standard Internet protocols and services. ...
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On admission control for profit maximization of networked service providers
Akshat Verma, Sugata Ghosal
Pages: 128-137
doi>10.1145/775152.775171
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Variability and diverseness among incoming requests to a service hosted on a finite capacity resource necessitates sophisticated request admission control techniques for providing guaranteed quality of service (QoS). We propose in this paper a service ...
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Design, implementation, and evaluation of a client characterization driven web server
Balachander Krishnamurthy, Yin Zhang, Craig E. Wills, Kashi Vishwanath
Pages: 138-147
doi>10.1145/775152.775172
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In earlier work we proposed a way for a Web server to detect connectivity information about clients accessing it in order to take tailored actions for a client request. This paper describes the design, implementation, and evaluation of such a working ...
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SESSION: Data integrity
TBA
Web application security assessment by fault injection and behavior monitoring
Yao-Wen Huang, Shih-Kun Huang, Tsung-Po Lin, Chung-Hung Tsai
Pages: 148-159
doi>10.1145/775152.775174
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As a large and complex application platform, the World Wide Web is capable of delivering a broad range of sophisticated applications. However, many Web applications go through rapid development phases with extremely short turnaround time, making it difficult ...
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The HP time vault service: exploiting IBE for timed release of confidential information
Marco Casassa Mont, Keith Harrison, Martin Sadler
Pages: 160-169
doi>10.1145/775152.775175
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Digital information is increasingly more and more important to enable interactions and transactions on the Internet. On the other hand, leakages of sensitive information can have harmful effects for people, enterprises and governments.This paper focuses ...
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Content extraction signatures using XML digital signatures and custom transforms on-demand
Laurence Bull, Peter Stanski, David McG. Squire
Pages: 170-177
doi>10.1145/775152.775176
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Content Extraction Signatures (CES) enable selective disclosure of verifiable content, provide privacy for blinded content, and enable the signer to specify the content the document owner is allowed to extract or blind. Combined, these properties give ...
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SESSION: Establishing the semantic web 1
Ian Horrocks
SemTag and seeker: bootstrapping the semantic web via automated semantic annotation
Stephen Dill, Nadav Eiron, David Gibson, Daniel Gruhl, R. Guha, Anant Jhingran, Tapas Kanungo, Sridhar Rajagopalan, Andrew Tomkins, John A. Tomlin, Jason Y. Zien
Pages: 178-186
doi>10.1145/775152.775178
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This paper describes Seeker, a platform for large-scale text analytics, and SemTag, an application written on the platform to perform automated semantic tagging of large corpora. We apply SemTag to a collection of approximately 264 million web pages, ...
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Data extraction and label assignment for web databases
Jiying Wang, Fred H. Lochovsky
Pages: 187-196
doi>10.1145/775152.775179
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Many tools have been developed to help users query, extract and integrate data from web pages generated dynamically from databases, i.e., from the Hidden Web. A key prerequisite for such tools is to obtain the schema of the attributes of the retrieved ...
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The chatty web: emergent semantics through gossiping
Karl Aberer, Philippe Cudré-Mauroux, Manfred Hauswirth
Pages: 197-206
doi>10.1145/775152.775180
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This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semi-automatic manner without relying on pre-existing, global semantic models. We assume that large amounts of data exist that have been ...
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SESSION: Adapting content to mobile devices
Marc Najork
DOM-based content extraction of HTML documents
Suhit Gupta, Gail Kaiser, David Neistadt, Peter Grimm
Pages: 207-214
doi>10.1145/775152.775182
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Web pages often contain clutter (such as pop-up ads, unnecessary images and extraneous links) around the body of an article that distracts a user from actual content. Extraction of "useful and relevant" content from web pages has many applications, including ...
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Fractal summarization for mobile devices to access large documents on the web
Christopher C. Yang, Fu Lee Wang
Pages: 215-224
doi>10.1145/775152.775183
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Wireless access with mobile (or handheld) devices is a promising addition to the WWW and traditional electronic business. Mobile devices provide convenience and portable access to the huge information space on the Internet without requiring users to ...
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Detecting web page structure for adaptive viewing on small form factor devices
Yu Chen, Wei-Ying Ma, Hong-Jiang Zhang
Pages: 225-233
doi>10.1145/775152.775184
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Mobile devices have already been widely used to access the Web. However, because most available web pages are designed for desktop PC in mind, it is inconvenient to browse these large web pages on a mobile device with a small screen. In this paper, we ...
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SESSION: Writing the web
TBA
Supporting management reporting: a writable web case study
Timothy Miles-Board, Leslie Carr, Simon Kampa, Wendy Hall
Pages: 234-243
doi>10.1145/775152.775186
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The World-Wide Web was originally developed as a shared, writable, hypertext medium, a facility that is still widely needed.We have recently developed a Web-based management reporting system for a legal firm in an attempt to improve the efficiency and ...
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Scholarly publishing and argument in hyperspace
Victoria Uren, Simon Buckingham Shum, Gangmin Li, John Domingue, Enrico Motta
Pages: 244-250
doi>10.1145/775152.775187
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The World Wide Web is opening up access to documents and data for scholars. However it has not yet impacted on one of the primary activities in research: assessing new findings in the light of current knowledge and debating it with colleagues. The ClaiMaker ...
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Mining topic-specific concepts and definitions on the web
Bing Liu, Chee Wee Chin, Hwee Tou Ng
Pages: 251-260
doi>10.1145/775152.775188
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Traditionally, when one wants to learn about a particular topic, one reads a book or a survey paper. With the rapid expansion of the Web, learning in-depth knowledge about a topic from the Web is becoming increasingly important and popular. This is also ...
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SESSION: Link-based ranking 1
Soumen Chakrabarti
Extrapolation methods for accelerating PageRank computations
Sepandar D. Kamvar, Taher H. Haveliwala, Christopher D. Manning, Gene H. Golub
Pages: 261-270
doi>10.1145/775152.775190
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We present a novel algorithm for the fast computation of PageRank, a hyperlink-based estimate of the ''importance'' of Web pages. The original PageRank algorithm uses the Power Method to compute successive iterates that converge to the principal eigenvector ...
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Scaling personalized web search
Glen Jeh, Jennifer Widom
Pages: 271-279
doi>10.1145/775152.775191
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Recent web search techniques augment traditional text matching with a global notion of "importance" based on the linkage structure of the web, such as in Google's PageRank algorithm. For more refined searches, this global notion of importance can be ...
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Adaptive on-line page importance computation
Serge Abiteboul, Mihai Preda, Gregory Cobena
Pages: 280-290
doi>10.1145/775152.775192
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The computation of page importance in a huge dynamic graph has recently attracted a lot of attention because of the web. Page importance, or page rank is defined as the fixpoint of a matrix equation. Previous algorithms compute it off-line and require ...
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SESSION: Applications and architecture
Philipp Hoschka
SHOCK: communicating with computational messages and automatic private profiles
Rajan M. Lukose, Eytan Adar, Joshua R. Tyler, Caesar Sengupta
Pages: 291-300
doi>10.1145/775152.775194
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A computationally enhanced message contains some embedded programmatic components that are interpreted and executed automatically upon receipt. Unlike ordinary text email or instant messages, they make possible a number of useful applications. In this ...
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P2Cast: peer-to-peer patching scheme for VoD service
Yang Guo, Kyoungwon Suh, Jim Kurose, Don Towsley
Pages: 301-309
doi>10.1145/775152.775195
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Providing video on demand (VoD) service over the Internet in a scalable way is a challenging problem. In this paper, we propose P2Cast - an architecture that uses a peer-to-peer approach to cooperatively stream video using patching techniques, while ...
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DEW: DNS-enhanced web for faster content delivery
Balachander Krishnamurthy, Richard Liston, Michael Rabinovich
Pages: 310-320
doi>10.1145/775152.775196
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With a key component of latency on the Web being connection set up between clients and Web servers, several ways to avoid connections have been explored. While the work in recent years on Content Distribution Networks (CDNs) have moved some content 'closer' ...
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SESSION: E-commerce
TBA
A system for principled matchmaking in an electronic marketplace
Tommaso Di Noia, Eugenio Di Sciascio, Francesco M. Donini, Marina Mongiello
Pages: 321-330
doi>10.1145/775152.775198
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More and more resources are becoming available on the Web, and there is a growing need for infrastructures that, based on advertised descriptions, are able to semantically match demands with supplies.We formalize general properties a matchmaker should ...
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A software framework for matchmaking based on semantic web technology
Lei Li, Ian Horrocks
Pages: 331-339
doi>10.1145/775152.775199
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An important objective of the Semantic Web is to make Electronic Commerce interactions more flexible and automated. To achieve this, standardization of ontologies, message content and message protocols will be necessary.In this paper we investigate how ...
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SweetDeal: representing agent contracts with exceptions using XML rules, ontologies, and process descriptions
Benjamin N. Grosof, Terrence C. Poon
Pages: 340-349
doi>10.1145/775152.775200
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SweetDeal is a rule-based approach to representation of business contracts that enables software agents to create, evaluate, negotiate, and execute contracts with substantial automation and modularity. It builds upon the situated courteous logic programs ...
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SESSION: Link-based ranking 2
Peter Anick
A new paradigm for ranking pages on the world wide web
John A. Tomlin
Pages: 350-355
doi>10.1145/775152.775202
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This paper describes a new paradigm for modeling traffic levels on the world wide web (WWW) using a method of entropy maximization. This traffic is subject to the conservation conditions of a circulation flow in the entire WWW, an aggregation of the ...
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Adaptive ranking of web pages
Ah Chung Tsoi, Gianni Morini, Franco Scarselli, Markus Hagenbuchner, Marco Maggini
Pages: 356-365
doi>10.1145/775152.775203
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In this paper, we consider the possibility of altering the PageRank of web pages, from an administrator's point of view, through the modification of the PageRank equation. It is shown that this problem can be solved using the traditional quadratic programming ...
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Searching the workplace web
Ronald Fagin, Ravi Kumar, Kevin S. McCurley, Jasmine Novak, D. Sivakumar, John A. Tomlin, David P. Williamson
Pages: 366-375
doi>10.1145/775152.775204
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The social impact from the World Wide Web cannot be underestimated, but technologies used to build the Web are also revolutionizing the sharing of business and government information within intranets. In many ways the lessons learned from the Internet ...
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SESSION: Multimedia
Wei-Ying Ma
Peer-to-peer architecture for content-based music retrieval on acoustic data
Cheng Yang
Pages: 376-383
doi>10.1145/775152.775206
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In traditional peer-to-peer search networks, operations focus on properly labeled files such as music or video, and the actual search is often limited to text tags. The explosive growth of available multimedia documents in recent years calls for more ...
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Towards a multimedia formatting vocabulary
Jacco van Ossenbruggen, Lynda Hardma, Joost Geurts, Lloyd Rutledge
Pages: 384-393
doi>10.1145/775152.775207
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Time-based, media-centric Web presentations can be described declaratively in the XML world through the development of languages such as SMIL. It is difficult, however, to fully integrate them in a complete document transformation processing chain. In ...
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Architecture of a quality based intelligent proxy (QBIX) for MPEG-4 videos
Peter Schojer, Laszlo Böszörmenyi, Hermann Hellwagner, Bernhard Penz, Stefan Podlipnig
Pages: 394-402
doi>10.1145/775152.775208
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Due to the increasing availability and use of digital video data on the Web, video caching will be an important performance factor in the future WWW. We propose an architecture of a video proxy cache that integrates modern multimedia and communication ...
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SESSION: Web engineering
Martin Gaedke
Conversation specification: a new approach to design and analysis of e-service composition
Tevfik Bultan, Xiang Fu, Richard Hull, Jianwen Su
Pages: 403-410
doi>10.1145/775152.775210
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This paper introduces a framework for modeling and specifying the global behavior of e-service compositions. Under this framework, peers (individual e-services) communicate through asynchronous messages and each peer maintains a queue for incoming messages. ...
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Quality driven web services composition
Liangzhao Zeng, Boualem Benatallah, Marlon Dumas, Jayant Kalagnanam, Quan Z. Sheng
Pages: 411-421
doi>10.1145/775152.775211
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The process-driven composition of Web services is emerging as a promising approach to integrate business applications within and across organizational boundaries. In this approach, individual Web services are federated into composite Web services whose ...
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A foundation for tool based mobility support for visually impaired web users
Yeliz Yesilada, Robert Stevens, Carole Goble
Pages: 422-430
doi>10.1145/775152.775212
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Users make journeys through the Web. Web travel encompasses the tasks of orientation and navigation, the environment and the purpose of the journey. The ease of travel, its mobility, varies from page to page and site to site. For visually impaired users, ...
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SESSION: Establishing the semantic web 11
Brian McBride
On deep annotation
Siegfried Handschuh, Steffen Staab, Raphael Volz
Pages: 431-438
doi>10.1145/775152.775214
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The success of the Semantic Web crucially depends on the easy creation, integration and use of semantic data. For this purpose, we consider an integration scenario that defies core assumptions of current metadata construction methods. We describe a framework ...
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An infrastructure for searching, reusing and evolving distributed ontologies
A. Maedche, B. Motik, L. Stojanovic, R. Studer, R. Volz
Pages: 439-448
doi>10.1145/775152.775215
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The vision of the Semantic Web can only be realized through proliferation of well-known ontologies describing different domains. To enable interoperability in the Semantic Web, it will be necessary to break these ontologies down into smaller, well-focused ...
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SESSION: Consistency and replication
Craig Wills
Application specific data replication for edge services
Lei Gao, Mike Dahlin, Amol Nayate, Jiandan Zheng, Arun Iyengar
Pages: 449-460
doi>10.1145/775152.775217
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The emerging edge services architecture promises to improve the availability and performance of web services by replicating servers at geographically distributed sites. A key challenge in such systems is data replication and consistency so that edge ...
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Evaluation of edge caching/offloading for dynamic content delivery
Chun Yuan, Yu Chen, Zheng Zhang
Pages: 461-471
doi>10.1145/775152.775218
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As dynamic content becomes increasingly dominant, it becomes an important research topic as how the edge resources such as client-side proxies, which are otherwise underutilized for such content, can be put into use. However, it is unclear what will ...
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Modeling redirection in geographically diverse server sets
Lisa Amini, Anees Shaikh, Henning Schulzrinne
Pages: 472-481
doi>10.1145/775152.775219
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Internet server selection mechanisms attempt to optimize, subject to a variety of constraints, the distribution of client requests to a geographically and topologically diverse pool of servers. Research on server selection has thus far focused primarily ...
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SESSION: Open hypermedia and the web
TBA
Offering open hypermedia services to the WWW: a step-by-step approach for developers
Nikos Karousos, Ippokratis Pandis, Siegfried Reich, Manolis Tzagarakis
Pages: 482-489
doi>10.1145/775152.775221
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Hypermedia systems and more specifically open hypermedia systems (OHS) provide a rich set of implementations of different hypertext flavors such as navigational hypertext, spatial hypertext or taxonomic hypertext. Additionally, these systems offer component-based ...
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Xspect: bridging open hypermedia and XLink
Bent G. Christensen, Frank Allan Hansen, Niels Olof Bouvin
Pages: 490-499
doi>10.1145/775152.775222
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This paper evaluates the XLink format in comparison with other linking formats. The comparison is based on Xspect, an implementation of XLink. Xspect handles transformation between an open hypermedia format (OHIF) and XLink, and the paper discusses this ...
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The XML web: a first study
Laurent Mignet, Denilson Barbosa, Pierangelo Veltri
Pages: 500-510
doi>10.1145/775152.775223
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Although originally designed for large-scale electronic publishing, XML plays an increasingly important role in the exchange of data on the Web. In fact, it is expected that XML will become the lingua franca of the Web, eventually replacing HTML. Not ...
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SESSION: Data mining
Oren Etzioni
A matrix density based algorithm to hierarchically co-cluster documents and words
Bhushan Mandhani, Sachindra Joshi, Krishna Kummamuru
Pages: 511-518
doi>10.1145/775152.775225
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This paper proposes an algorithm to hierarchically cluster documents. Each cluster is actually a cluster of documents and an associated cluster of words, thus a document-word co-cluster. Note that, the vector model for documents creates the document-word ...
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Mining the peanut gallery: opinion extraction and semantic classification of product reviews
Kushal Dave, Steve Lawrence, David M. Pennock
Pages: 519-528
doi>10.1145/775152.775226
Full text: PDFPDF

The web contains a wealth of product reviews, but sifting through them is a daunting task. Ideally, an opinion mining tool would process a set of search results for a given item, generating a list of product attributes (quality, features, etc.) and aggregating ...
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Mining newsgroups using networks arising from social behavior
Rakesh Agrawal, Sridhar Rajagopalan, Ramakrishnan Srikant, Yirong Xu
Pages: 529-535
doi>10.1145/775152.775227
Full text: PDFPDF

Recent advances in information retrieval over hyperlinked corpora have convincingly demonstrated that links carry less noisy information than text. We investigate the feasibility of applying link-based methods in new applications domains. The specific ...
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SESSION: Scaling up the semantic web
Rudi Studer
Super-peer-based routing and clustering strategies for RDF-based peer-to-peer networks
Wolfgang Nejdl, Martin Wolpers, Wolf Siberski, Christoph Schmitz, Mario Schlosser, Ingo Brunkhorst, Alexander Löser
Pages: 536-543
doi>10.1145/775152.775229
Full text: PDFPDF

RDF-based P2P networks have a number of advantages compared with simpler P2P networks such as Napster, Gnutella or with approaches based on distributed indices such as CAN and CHORD. RDF-based P2P networks allow complex and extendable descriptions of ...
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On labeling schemes for the semantic web
Vassilis Christophides, Dimitris Plexousakis, Michel Scholl, Sotirios Tourtounis
Pages: 544-555
doi>10.1145/775152.775230
Full text: PDFPDF

This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We advocate for the use of labeling schemes for modeling these hierarchies in ...
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Piazza: data management infrastructure for semantic web applications
Alon Y. Halevy, Zachary G. Ives, Peter Mork, Igor Tatarinov
Pages: 556-567
doi>10.1145/775152.775231
Full text: PDFPDF

The Semantic Web envisions a World Wide Web in which data is described with rich semantics and applications can pose complex queries. To this point, researchers have defined new languages for specifying meanings for concepts and developed techniques ...
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SESSION: Dynamic services and analysis
Taher Haveliwala
On the bursty evolution of blogspace
Ravi Kumar, Jasmine Novak, Prabhakar Raghavan, Andrew Tomkins
Pages: 568-576
doi>10.1145/775152.775233
Full text: PDFPDF

We propose two new tools to address the evolution of hyperlinked corpora. First, we define time graphs to extend the traditional notion of an evolving directed graph, capturing link creation as a point phenomenon in time. Second, we develop definitions ...
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Make it fresh, make it quick: searching a network of personal webservers
Mayank Bawa, Roberto J. Bayardo, Jr., Sridhar Rajagopalan, Eugene J. Shekita
Pages: 577-586
doi>10.1145/775152.775234
Full text: PDFPDF

Personal webservers have proven to be a popular means of sharing files and peer collaboration. Unfortunately, the transient availability and rapidly evolving content on such hosts render centralized, crawl-based search indices stale and incomplete. To ...
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Engineering and hosting adaptive freshness-sensitive web applications on data centers
Wen-Syan Li, Oliver Po, Wang-Pin Hsiung, K. Selçuk Candan, Divyakant Agrawal
Pages: 587-598
doi>10.1145/775152.775235
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Wide-area database replication technologies and the availability of content delivery networks allow Web applications to be hosted and served from powerful data centers. This form of application support requires a complete Web application suite to be ...
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SESSION: CDNs and caching
Balachander Krishnamurthy
Evaluating a new approach to strong web cache consistency with snapshots of collected content
Mikhail Mikhailov, Craig E. Wills
Pages: 599-608
doi>10.1145/775152.775237
Full text: PDFPDF

The problem of Web cache consistency continues to be an important one. Current Web caches use heuristic-based policies for determining the freshness of cached objects, often forcing content providers to unnecessarily mark their content as uncacheable ...
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Scalable techniques for memory-efficient CDN simulations
Purushottam Kulkarni, Prashant Shenoy, Weibo Gong
Pages: 609-618
doi>10.1145/775152.775238
Full text: PDFPDF

Since CDN simulations are known to be highly memory-intensive, in this paper, we argue the need for reducing the memory requirements of such simulations. We propose a novel memory-efficient data structure that stores cache state for a small subset of ...
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Value-based web caching
Sean C. Rhea, Kevin Liang, Eric Brewer
Pages: 619-628
doi>10.1145/775152.775239
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Despite traditional web caching techniques, redundant data is often transferred over HTTP links. These redundant transfers result from both resource modification and aliasing. Resource modification causes the data represented by a single URI to change; ...
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SESSION: Protocols
Yao-Wen Huang
An XPath-based preference language for P3P
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
Pages: 629-639
doi>10.1145/775152.775241
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The Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. The designers of P3P simultaneously designed a preference language called APPEL to allow ...
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The Eigentrust algorithm for reputation management in P2P networks
Sepandar D. Kamvar, Mario T. Schlosser, Hector Garcia-Molina
Pages: 640-651
doi>10.1145/775152.775242
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Peer-to-peer file-sharing networks are currently receiving much attention as a means of sharing and distributing information. However, as recent experience shows, the anonymous, open nature of these networks offers an almost ideal environment for the ...
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Similarity measure and instance selection for collaborative filtering
Chun Zeng, Chun-Xiao Xing, Li-Zhu Zhou
Pages: 652-658
doi>10.1145/775152.775243
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Collaborative filtering has been very successful in both research and applications such as information filtering and E-commerce. The k-Nearest Neighbor (KNN) method is a popular way for its realization. Its key technique is to find k nearest neighbors ...
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SESSION: Web crawling and measurement
Ricardo Baeza-Yates
Monitoring the dynamic web to respond to continuous queries
Sandeep Pandey, Krithi Ramamritham, Soumen Chakrabarti
Pages: 659-668
doi>10.1145/775152.775245
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Continuous queries are queries for which responses given to users must be continuously updated, as the sources of interest get updated. Such queries occur, for instance, during on-line decision making, e.g., traffic flow control, weather monitoring, ...
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A large-scale study of the evolution of web pages
Dennis Fetterly, Mark Manasse, Marc Najork, Janet Wiener
Pages: 669-678
doi>10.1145/775152.775246
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How fast does the web change? Does most of the content remain unchanged once it has been authored, or are the documents continuously updated? Do pages change a little or a lot? Is the extent of change correlated to any other property of the page? All ...
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Efficient URL caching for world wide web crawling
Andrei Z. Broder, Marc Najork, Janet L. Wiener
Pages: 679-689
doi>10.1145/775152.775247
Full text: PDFPDF

Crawling the web is deceptively simple: the basic algorithm is (a) Fetch a page (b) Parse it to extract all linked URLs (c) For all the URLs not seen before, repeat (a)-(c). However, the size of the web (estimated at over 4 billion pages) and its rate ...
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SESSION: Using the semantic web
Peter Patel-Schneider
Ρ-Queries: enabling querying for semantic associations on the semantic web
Kemafor Anyanwu, Amit Sheth
Pages: 690-699
doi>10.1145/775152.775249
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This paper presents the notion of Semantic Associations as complex relationships between resource entities. These relationships capture both a connectivity of entities as well as similarity of entities based on a specific notion of similarity called ...
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Semantic search
R. Guha, Rob McCool, Eric Miller
Pages: 700-709
doi>10.1145/775152.775250
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Activities such as Web Services and the Semantic Web are working to create a web of distributed machine understandable data. In this paper we present an application called 'Semantic Search' which is built on these supporting technologies and is designed ...
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Agent-based semantic web services
Nicholas Gibbins, Stephen Harris, Nigel Shadbolt
Pages: 710-717
doi>10.1145/775152.775251
Full text: PDFPDF

The Web Services world consists of loosely-coupled distributed systems which adapt to ad-hoc changes by the use of service descriptions that enable opportunistic service discovery. At present, these service descriptions are semantically impoverished, ...
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SESSION: Improving the browsing experience
Aya Soffer
A framework for coordinated multi-modal browsing with multiple clients
Alistair Coles, Eric Deliot, Tom Melamed, Kevin Lansard
Pages: 718-726
doi>10.1145/775152.775253
Full text: PDFPDF

As users acquire or gain access to an increasingly diverse range of web access clients, web applications are adapting their user interfaces to support multiple modalities on multiple client types. User experiences can be enhanced by clients with differing ...
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A comparative web browser (CWB) for browsing and comparing web pages
Akiyo Nadamoto, Katsumi Tanaka
Pages: 727-735
doi>10.1145/775152.775254
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In this paper, we propose a new type of Web browser, called the Comparative Web Browser(CWB), which concurrently presents multiple Web pages in a way that enables the content of the Web pages to be automatically synchronized. The ability to view multiple ...
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Comparing link marker visualization techniques: changes in reading behavior
Hartmut Obendorf, Harald Weinreich
Pages: 736-745
doi>10.1145/775152.775255
Full text: PDFPDF

Links are one of the most important means for navigation in the World Wide Web. However, the visualization of and the interaction with Web links have been scarcely explored, although Links have severe implications on the appearance and usability of Web ...
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