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 Matthias Weidlich

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Average citations per article6.38
Citation Count383
Publication count60
Publication years2007-2017
Available for download13
Average downloads per article175.23
Downloads (cumulative)2,278
Downloads (12 Months)635
Downloads (6 Weeks)49
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60 results found Export Results: bibtexendnoteacmrefcsv

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1
December 2017 The VLDB Journal — The International Journal on Very Large Data Bases: Volume 26 Issue 6, December 2017
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 3,   Downloads (12 Months): 8,   Downloads (Overall): 8

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Crowdsourcing has been established as an essential means to scale human computation in diverse Web applications, reaching from data integration to information retrieval. Yet, crowd workers have wide-ranging levels of expertise. Large worker populations are heterogeneous and comprise a significant amount of faulty workers. As a consequence, quality insurance for ...
Keywords: Generic tasks, Guiding user feedback, Probabilistic model, Crowdsourcing, Validation

2
August 2017 IJCAI'17: Proceedings of the 26th International Joint Conference on Artificial Intelligence
Publisher: AAAI Press
Bibliometrics:
Citation Count: 0

Today's social platforms, such as Twitter and Facebook, continuously generate massive volumes of data. The resulting data streams exceed any reasonable limit for permanent storage, especially since data is often redundant, overlapping, sparse, and generally of low value. This calls for means to retain solely a small fraction of the ...

3
August 2017 The VLDB Journal — The International Journal on Very Large Data Bases: Volume 26 Issue 4, August 2017
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 6,   Downloads (12 Months): 10,   Downloads (Overall): 10

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The amount of controversial issues being discussed on the Web has been growing dramatically. In articles, blogs, and wikis, people express their points of view in the form of arguments, i.e., claims that are supported by evidence. Discovery of arguments has a large potential for informing decision-making. However, argument discovery ...
Keywords: Crowdsourcing, Graphical models, Web mining

4 published by ACM
June 2017 DEBS '17: Proceedings of the 11th ACM International Conference on Distributed and Event-based Systems
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 11,   Downloads (12 Months): 146,   Downloads (Overall): 146

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Complex event recognition (CER) refers to the detection of events in Big Data streams. The paper presents a summary of the most prominent models and algorithms for CER, and discusses the main conceptual links and the differences between them.

5
March 2017 Information Systems: Volume 64 Issue C, March 2017
Publisher: Elsevier Science Ltd.
Bibliometrics:
Citation Count: 0


6
March 2017 Information Systems: Volume 64 Issue C, March 2017
Publisher: Elsevier Science Ltd.
Bibliometrics:
Citation Count: 1

Urban mobility impacts urban life to a great extent. To enhance urban mobility, much research was invested in traveling time prediction: given an origin and destination, provide a passenger with an accurate estimation of how long a journey lasts. In this work, we investigate a novel combination of methods from ...
Keywords: Queue mining, Traveling time prediction, Machine learning

7
December 2016 Information Systems: Volume 62 Issue C, December 2016
Publisher: Elsevier Science Ltd.
Bibliometrics:
Citation Count: 0

Service processes, for example in transportation, telecommunications or the health sector, are the backbone of today's economies. Conceptual models of service processes enable operational analysis that supports, e.g., resource provisioning or delay prediction. In the presence of event logs containing recorded traces of process execution, such operational models can be ...
Keywords: Scheduling, Statistical inference, Process improvement, Scheduled processes, Conformance checking, Process mining, Queueing networks

8
September 2016 Proceedings of the VLDB Endowment: Volume 10 Issue 1, September 2016
Publisher: VLDB Endowment
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 5,   Downloads (12 Months): 37,   Downloads (Overall): 46

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Complex event processing (CEP) matches patterns over a continuous stream of events to detect situations of interest. Yet, the definition of an event pattern that precisely characterises a particular situation is challenging: there are manifold dimensions to correlate events, including time windows and value predicates. In the presence of historic ...
Keywords: machine learning, pattern mining, event processing

9
July 2016 Formal Aspects of Computing: Volume 28 Issue 4, July 2016
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 0


10 published by ACM
June 2016 SIGMOD '16: Proceedings of the 2016 International Conference on Management of Data
Publisher: ACM
Bibliometrics:
Citation Count: 6
Downloads (6 Weeks): 5,   Downloads (12 Months): 199,   Downloads (Overall): 371

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Modern servers have become heterogeneous, often combining multi-core CPUs with many-core GPGPUs. Such heterogeneous architectures have the potential to improve the performance of data-intensive stream processing applications, but they are not supported by current relational stream processing engines. For an engine to exploit a heterogeneous architecture, it must execute streaming ...
Keywords: heterogeneous hardware, data parallelism, gpgpus, hybrid scheduling, stream processing, windowing support

11 published by ACM
June 2016 DEBS '16: Proceedings of the 10th ACM International Conference on Distributed and Event-based Systems
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 2,   Downloads (12 Months): 30,   Downloads (Overall): 78

Full text available: PDFPDF
Heterogeneous architectures that combine multi-core CPUs with many-core GPGPUs have the potential to improve the performance of data-intensive stream processing applications. Yet, a stream processing engine must execute streaming SQL queries with sufficient data-parallelism to fully utilise the available heterogeneous processors, and decide how to use each processor in the ...
Keywords: GPGPUs, stream processing, heterogeneous hardware

12
October 2015 Information Systems: Volume 53 Issue C, October 2015
Publisher: Elsevier Science Ltd.
Bibliometrics:
Citation Count: 3

Information systems have been widely adopted to support service processes in various domains, e.g., in the telecommunication, finance, and health sectors. Information recorded by systems during the operation of these processes provides an angle for operational process analysis, commonly referred to as process mining. In this work, we establish a ...
Keywords: Delay prediction, Process mining, Queue mining, Queueing theory

13 published by ACM
August 2015 SIGIR '15: Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 4,   Downloads (12 Months): 33,   Downloads (Overall): 164

Full text available: PDFPDF
Crowdsourcing became an essential tool for a broad range of Web applications. Yet, the wide-ranging levels of expertise of crowd workers as well as the presence of faulty workers call for quality control of the crowdsourcing result. To this end, many crowdsourcing platforms feature a post-processing phase, in which crowd ...
Keywords: guiding user feedback, validation, crowdsourcing

14
July 2015 MUD'15: Proceedings of the 2nd International Conference on Mining Urban Data - Volume 1392
Publisher: CEUR-WS.org
Bibliometrics:
Citation Count: 0


15
July 2015 Software and Systems Modeling (SoSyM): Volume 14 Issue 3, July 2015
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 1

Business processes are vital to managing organizations as they sustain a company's competitiveness. Consequently, these organizations maintain collections of hundreds or thousands of process models for streamlining working procedures and facilitating process implementation. Yet, the management of large process model collections requires effective searching capabilities. Recent research focused on similarity ...
Keywords: Process model repositories, Process model search, Behavioral querying, Trace inclusion

16
July 2015 Software and Systems Modeling (SoSyM): Volume 14 Issue 3, July 2015
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 6

Business process models are an important means to design, analyze, implement, and control business processes. As with every type of conceptual model, a business process model has to meet certain syntactic, semantic, and pragmatic quality requirements to be of value. For many years, such quality aspects were investigated by centering ...
Keywords: Business process modeling, Process of process modeling, Modeling styles, Cluster analysis

17 published by ACM
May 2015 SIGMOD '15: Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data
Publisher: ACM
Bibliometrics:
Citation Count: 9
Downloads (6 Weeks): 3,   Downloads (12 Months): 81,   Downloads (Overall): 470

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In recent years, crowdsourcing has become essential in a wide range of Web applications. One of the biggest challenges of crowdsourcing is the quality of crowd answers as workers have wide-ranging levels of expertise and the worker community may contain faulty workers. Although various techniques for quality control have been ...
Keywords: guiding user feedback, validation, crowdsourcing, expectation maximization

18
September 2014 ECMLPKDD'14: Proceedings of the 2014th European Conference on Machine Learning and Knowledge Discovery in Databases - Volume Part III
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 0

We give an overview of an intelligent urban traffic management system. Complex events related to congestions are detected from heterogeneous sources involving fixed sensors mounted on intersections and mobile sensors mounted on public transport vehicles. To deal with data veracity, sensor disagreements are resolved by crowdsourcing. To deal with data ...
Keywords: big data, stream processing, event pattern matching, crowdsourcing, traffic, smart cities

19 published by ACM
August 2014 ACM Transactions on Internet Technology (TOIT) - Special Issue on Event Recognition: Volume 14 Issue 1, July 2014
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 5,   Downloads (12 Months): 37,   Downloads (Overall): 309

Full text available: PDFPDF

20
June 2014 SCC '14: Proceedings of the 2014 IEEE International Conference on Services Computing
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

Evaluating alternative solutions for service compositions is done by various properties, each requiring an associated evaluation measure. In this paper, we propose a new measure, namely integration effort, to capture the expected effort a human programmer is expected to invest in integrating composed services into a functioning process. We present ...
Keywords: Evaluation, Service Composition, Semantic Web



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