Author image not provided
 Roman Kern

Authors:
Add personal information
  Affiliation history
Bibliometrics: publication history
Average citations per article3.96
Citation Count95
Publication count24
Publication years2007-2017
Available for download9
Average downloads per article244.33
Downloads (cumulative)2,199
Downloads (12 Months)304
Downloads (6 Weeks)33
SEARCH
ROLE
Arrow RightAuthor only


AUTHOR'S COLLEAGUES
See all colleagues of this author

SUBJECT AREAS
See all subject areas




BOOKMARK & SHARE


24 results found Export Results: bibtexendnoteacmrefcsv

Result 1 – 20 of 24
Result page: 1 2

Sort by:

1 published by ACM
April 2017 Journal on Computing and Cultural Heritage (JOCCH) - Special Issue on Digital Infrastructure for Cultural Heritage, Part 1: Volume 10 Issue 1, April 2017
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 23,   Downloads (12 Months): 162,   Downloads (Overall): 162

Full text available: PDFPDF
The digitization initiatives in the past decades have led to a tremendous increase in digitized objects in the cultural heritage domain. Although digitally available, these objects are often not easily accessible for interested users because of the distributed allocation of the content in different repositories and the variety in data ...
Keywords: Search aggregation, user context detection, metadata harmonization

2 published by ACM
April 2017 SAC '17: Proceedings of the Symposium on Applied Computing
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 2,   Downloads (12 Months): 38,   Downloads (Overall): 38

Full text available: PDFPDF
Retrieval of domain-specific documents became attractive for the Semantic Web community due to the possibility of integrating classic Information Retrieval (IR) techniques with semantic knowledge. Unfortunately, the gap between the construction of a full semantic search engine and the possibility of exploiting a repository of ontologies covering all possible domains ...
Keywords: semantic web, federated search, information retrieval, knowledge-based query expansion

3
September 2015 CLEF'15: Proceedings of the 6th International Conference on Experimental IR Meets Multilinguality, Multimodality, and Interaction - Volume 9283
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 1

Cross vertical aggregated search is a special form of meta search, were multiple search engines from different domains and varying behaviour are combined to produce a single search result for each query. Such a setting poses a number of challenges, among them the question of how to best evaluate the ...

4
September 2015 DEXA '15: Proceedings of the 2015 26th International Workshop on Database and Expert Systems Applications (DEXA)
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 1

Underspecified search queries can be performed via result list diversification approaches, which are often computationally complex and require longer response times. In this paper, we explore an alternative, and more efficient way to diversify the result list based on query expansion. To that end, we used a knowledge base pseudo-relevance ...

5 published by ACM
September 2014 i-KNOW '14: Proceedings of the 14th International Conference on Knowledge Technologies and Data-driven Business
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 1,   Downloads (12 Months): 19,   Downloads (Overall): 144

Full text available: PDFPDF
Enterprise search is a growing industry: A recent report from the EU states the total revenue of EU-headquartered search vendors between 100 and 200 million Euros. However, enterprise search seems to be widely ignored by the academic information systems (IS) community. Little is known about user-adoption aspects of enterprise search, ...
Keywords: user study, enterprise search, knowledge management, adoption, usefulness, implementation

6
August 2014 International Journal on Digital Libraries: Volume 14 Issue 3-4, August 2014
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 1

Text mining and information retrieval in large collections of scientific literature require automated processing systems that analyse the documents' content. However, the layout of scientific articles is highly varying across publishers, and common digital document formats are optimised for presentation, but lack structural information. To overcome these challenges, we have ...
Keywords: Clustering, Document structure analysis, PDF extraction, Machine learning, Text mining

7
December 2012 Revised Selected Papers of the First Workshop on Specifying Big Data Benchmarks - Volume 8163
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 2

Research depends to a large degree on the availability and quality of primary research data, i.e., data generated through experiments and evaluations. While the Web in general and Linked Data in particular provide a platform and the necessary technologies for sharing, managing and utilizing research data, an ecosystem supporting those ...
Keywords: Big Data, Natural Language Processing, Linked Data, Data Warehousing

8
December 2012 Web Semantics: Science, Services and Agents on the World Wide Web: Volume 17 Issue C, December 2012
Publisher: Elsevier Science Publishers B. V.
Bibliometrics:
Citation Count: 0

While recent progress has been achieved in understanding the structure and dynamics of social tagging systems, we know little about the underlying user motivations for tagging, and how they influence resulting folksonomies and tags. This paper addresses three issues related to this question. (1) What distinctions of user motivations are ...
Keywords: Social tagging systems, Tagging motivation, User goals, User motivation

9
December 2012 Web Semantics: Science, Services and Agents on the World Wide Web: Volume 17, December, 2012
Publisher: Elsevier Science Publishers B. V.
Bibliometrics:
Citation Count: 5

While recent progress has been achieved in understanding the structure and dynamics of social tagging systems, we know little about the underlying user motivations for tagging, and how they influence resulting folksonomies and tags. This paper addresses three issues related to this question. (1) What distinctions of user motivations are ...
Keywords: Social tagging systems, Tagging motivation, User goals, User motivation

10 published by ACM
September 2012 ACM Transactions on Intelligent Systems and Technology (TIST): Volume 3 Issue 4, September 2012
Publisher: ACM
Bibliometrics:
Citation Count: 11
Downloads (6 Weeks): 1,   Downloads (12 Months): 22,   Downloads (Overall): 338

Full text available: PDFPDF
Algorithms for constructing hierarchical structures from user-generated metadata have caught the interest of the academic community in recent years. In social tagging systems, the output of these algorithms is usually referred to as folksonomies (from folk-generated taxonomies). Evaluation of folksonomies and folksonomy induction algorithms is a challenging issue complicated by ...
Keywords: social tagging systems, taxonomies, evaluation, Folksonomies

11 published by ACM
June 2012 WIMS '12: Proceedings of the 2nd International Conference on Web Intelligence, Mining and Semantics
Publisher: ACM
Bibliometrics:
Citation Count: 3
Downloads (6 Weeks): 0,   Downloads (12 Months): 12,   Downloads (Overall): 231

Full text available: PDFPDF
Social research networks such as Mendeley and CiteULike offer various services for collaboratively managing bibliographic metadata. Compared with traditional libraries, metadata quality is of crucial importance in order to create a crowdsourced bibliographic catalog for search and browsing. Artifacts, in particular PDFs which are managed by the users of the ...
Keywords: layout features, research papers, bibliographic metadata, metadata extraction

12
August 2011 DEXA '11: Proceedings of the 2011 22nd International Workshop on Database and Expert Systems Applications
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 1

Author disambiguation is a prerequisite for utilizing bibliographic metadata in citation analysis. Automatic disambiguation algorithms mostly rely on cluster-based disambiguation strategies for identifying unique authors given their names and publications. However, most approaches rely on knowing the correct number of unique authors a-priori, which is rarely the case in real ...
Keywords: author disambiguation, model selection

13
September 2010 ECDL'10: Proceedings of the 14th European conference on Research and advanced technology for digital libraries
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 0

The reasons why users tag have remained mostly elusive to quantitative investigations. In this paper, we distinguish between two types of motivation for tagging: While categorizers use tags mainly for categorizing resources for later browsing, describers use tags mainly for describing resources for later retrieval. To characterize users with regard ...

14
September 2010 ECDL'10: Proceedings of the 14th European conference on Research and advanced technology for digital libraries
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 2

Collaboratively created online encyclopedias have become increasingly popular. Especially in terms of completeness they have begun to surpass their printed counterparts. Two German publishers of traditional encyclopedias have reacted to this challenge and decided to merge their corpora to create a single more complete encyclopedia. The crucial step in this ...

15 published by ACM
July 2010 SIGIR '10: Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Publisher: ACM
Bibliometrics:
Citation Count: 6
Downloads (6 Weeks): 1,   Downloads (12 Months): 21,   Downloads (Overall): 676

Full text available: PDFPDF
Cluster label quality is crucial for browsing topic hierarchies obtained via document clustering. Intuitively, the hierarchical structure should influence the labeling accuracy. However, most labeling algorithms ignore such structural properties and therefore, the impact of hierarchical structures on the labeling accuracy is yet unclear. In our work we integrate hierarchical ...
Keywords: cluster labeling, statistical methods, structural information, topic hierarchies

16
July 2010 SemEval '10: Proceedings of the 5th International Workshop on Semantic Evaluation
Publisher: Association for Computational Linguistics
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 1,   Downloads (12 Months): 6,   Downloads (Overall): 83

Full text available: PDFPDF
Word sense induction and discrimination (WSID) identifies the senses of an ambiguous word and assigns instances of this word to one of these senses. We have build a WSID system that exploits syntactic and semantic features based on the results of a natural language parser component. To achieve high robustness ...

17 published by ACM
June 2010 HT '10: Proceedings of the 21st ACM conference on Hypertext and hypermedia
Publisher: ACM
Bibliometrics:
Citation Count: 27
Downloads (6 Weeks): 0,   Downloads (12 Months): 16,   Downloads (Overall): 380

Full text available: PDFPDF
While recent research has advanced our understanding about the structure and dynamics of social tagging systems, we know little about (i) the underlying motivations for tagging (why users tag), and (ii) how they influence the properties of resulting tags and folksonomies. In this paper, we focus on problem (i) based ...
Keywords: social software, user motivation, tagging, measures

18
June 2010 International Journal on Digital Libraries - Focused Issue on ECDL 2010: Volume 11 Issue 2, June 2010
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 1

Collaboratively created on-line encyclopedias have become increasingly popular. Especially in terms of completeness they have begun to surpass their printed counterparts. Two German publishers of traditional encyclopedias have reacted to this challenge and started an initiative to merge their corpora to create a single, more complete encyclopedia. The crucial step ...
Keywords: Hybrid alignment system, Semantic similarity

19 published by ACM
October 2009 MEDES '09: Proceedings of the International Conference on Management of Emergent Digital EcoSystems
Publisher: ACM
Bibliometrics:
Citation Count: 4
Downloads (6 Weeks): 2,   Downloads (12 Months): 9,   Downloads (Overall): 148

Full text available: PDFPDF
The task of linear text segmentation is to split a large text document into shorter fragments, usually blocks of consecutive sentences. The algorithms that demonstrated the best performance for this task come at the price of high computational complexity. In our work we present an algorithm that has a computational ...
Keywords: sentence similarity, sliding window, text segmentation

20
September 2009 CLEF'09: Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 2

Integrating word sense disambiguation into an information retrieval system could potentially improve its performance. This is the major motivation for the Robust WSD tasks of the Ad-Hoc Track of the CLEF 2009 campaign. For these tasks we have build a customizable and flexible retrieval system. The best performing configuration of ...



The ACM Digital Library is published by the Association for Computing Machinery. Copyright © 2018 ACM, Inc.
Terms of Usage   Privacy Policy   Code of Ethics   Contact Us