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Publication by Topics of
Dr. Marcel Karnstedt-Hulpuș


Current contact:

Springer-Verlag GmbH
Tiergartenstraße 17
69121 Heidelberg
Germany

Phone: +49-6221-4878868
E-Mail: marcel.karnstedt[at]springer.com
PGP: public PGP-key





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Publications, articles, reports in topical order

A major part of the publications listed is included in my BibTex file.

List of all publications also available in:

Graph & Network Mining, Social Network Analysis

Deepak Ajwani, Marcel Karnstedt, and Alessandra Sala:
Processing Large Graphs: Representations, Storage, Systems and Algorithms,
WWW (Companion Volume), 2015, p. 1545.
Hugo Hromic, Narumol Prangnawarat, Ioana Hulpus, Marcel Karnstedt, and Conor Hayes:
Graph-based Methods for Clustering Topics of Interest in Twitter,
Poster Paper, International Conference on Web Engineering (ICWE), 2015, pp. 701-704.
Ioana Hulpus, Conor Hayes, Marcel Karnstedt, Derek Greene, Marek Jozwowicz:
Kanopy: Analysing the Semantic Network around Document Topics,
European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD'13), 2013, pp. 677-680.
Aftab Iqbal, Marcel Karnstedt, Michael Hausenblas:
Analyzing Social Behavior of Software Developers Across Different Communication Channels,
25th International Conference on Software Engineering and Knowledge Engineering (SEKE), 2013.
M. Karnstedt:
Scalable Social Analytics for Online Communities,
IEEE Special Technical Community on Social Networks e-letter, Vol. 1, No. 2, 2013.
Christoph Boden, Marcel Karnstedt, Miriam Fernandez, Volker Markl:
Large-Scale Social-Media Analytics on Stratosphere,
International World Wide Web Conference (WWW) - Demo Track, 2013, pp. 257-260.
Marcel Karnstedt, Conor Hayes, Harith Alani, Miriam Fernandez:
Scalable Analytics to Enable Risk Management in Online Communities,
26th European Conference on Operational Research (EURO'13), 2013, abstract accepted for presentation.
Ioana Hulpus, Conor Hayes, Marcel Karnstedt, Derek Greene:
Unsupervised Graph-Based Topic Labelling using DBpedia,
6th ACM International Conference on Web Search and Data Mining (WSDM'13), 2013, pp. 465-474.
Hugo Hromic, Marcel Karnstedt, Mengjiao Wang, Alice Hogan, Václav Belák and Conor Hayes:
Event Panning in a Stream of Big Data,
LWA Workshop on Knowledge Discovery, Data Mining and Machine Learning (KDML), 2012.
Matthew Rowe, Miriam Fernandez, Harith Alani, Inbal Ronen, Conor Hayes and Marcel Karnstedt:
Behaviour analysis across different types of Enterprise Online Communities,
Fourth ACM/ICA Web Science Conference, 2012, pp. 255-264.
Ioana Hulpus, Conor Hayes, Derek Greene, Marcel Karnstedt:
An Eigenvalue-Based Measure for Word-Sense Disambiguation,
25th International FLAIRS Conference, 2012, pp. 226-231.
V. Belák, M. Karnstedt, C. Hayes:
Life-Cycles and Mutual Effects of Scientific Communities,
Procedia - Social and Behavioral Sciences, Vol. 22, 2011, pp. 37-48.
M. Karnstedt, M. Rowe, J. Chan, H. Alani, C. Hayes:
The Effect of User Features on Churn in Social Networks,
Third ACM/ICA Web Science Conference, 2011, earned Best Paper Award.
[video & slides]
M. Karnstedt, T. Hennessy, J. Chan, P. Basuchowdhuri, C. Hayes, Th. Strufe:
Churn in Social Networks,
in: Borko Furht (Ed.): Handbook of Social Network Technologies and Applications, Springer Verlag 2010, pp. 185-220.
V. Belák, M. Karnstedt, C. Hayes:
Life-Cycles and Mutual Effects of Scientific Communities,
Poster presented at Satellite meeting "WebScience: exploring the frontier", The Royal Society London, UK, 2010.
A. Iqbal, M. Karnstedt:
On the Need of Graph Support for Developer Identification in Software Repositories,
KDML 2010: Knowledge Discovery, Data Mining, and Machine Learning, Oct 2010, Kassel, Germany, pp. 77-80.
V. Belák, M. Karnstedt, C. Hayes:
Life-Cycles and Mutual Effects of Scientific Communities,
7th Conference on Applications of Social Network Analysis (ASNA 2010), 2010, presented at conference, journal version available.
M. Karnstedt, T. Hennessy, J. Chan, C. Hayes:
Churn in Social Networks: A Discussion Boards Case Study,
2nd IEEE International Conference on Social Computing (SocialCom2010), 2010, pp. 233-240.
M. Karnstedt, C. Hayes:
Towards Cross-Community Effects in Scientific Communities,
KDML 2009: Knowledge Discovery, Data Mining, and Machine Learning, Sep 2009, Darmstadt, Germany, pp. 52-55.

P2P & Distributed Systems and Query Processing


      M. Karnstedt:
Query Processing in a DHT-Based Universal Storage - The World as a Peer-to-Peer Database,
Ph.D. thesis at Ilmenau University of Technology, Databases and Information Systems Group, 2009.
Book available on Amazon.de
Abstract published in Datenbank Spektrum 31/09, Dec. 2009, pp. 53-54
Online version

Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth:
P2P-Based Query Processing over Linked Data,
in: Andreas Harth, Katja Hose, Ralf Schenkel (eds.): Linked Data Management, CRC Press, pp. 339-368, 2014.
Jürgen Umbrich, Marcel Karnstedt, Axel Polleres, Kai-Uwe Sattler:
Index-Based Source Selection and Optimization,
in: Andreas Harth, Katja Hose, Ralf Schenkel (eds.): Linked Data Management, CRC Press, pp. 311-337, 2014.
Soheila Dehghanzadeh, Marcel Karnstedt, Stefan Decker, Josiane Xavier Parreira, Jürgen Umbrich and Manfred Hauswirth:
Optimizing SPARQL Query Processing On Dynamic and Static Data Based on Query Time/Freshness Requirements Using Materialization,
4th Joint International Semantic Technology (JIST'2014), 2014, pp. 257-270.
Nur Aini Rakhmawati, Marcel Karnstedt, Michael Hausenblas, and Stefan Decker:
On Metrics for Measuring Fragmentation of Federation over SPARQL Endpoints,
International Conference on Web Information Systems and Technologies (WEBIST'2014), 2014, pp. 119-126.
Nur Aini Rakhmawati, Marcel Karnstedt, Michael Hausenblas, Ali Hasnain, Jürgen Umbrich:
A Comparison of Federation over SPARQL Endpoints Frameworks,
4th Conference on Knowledge Engineering and Semantic Web (KESW'13), 2013, pp. 132-146.
Nur Aini Rakhmawati, Jürgen Umbrich, Marcel Karnstedt, Ali Hasnain, Michael Hausenblas:
Querying over Federated SPARQL Endpoints - A State of the Art Survey,
DERI Technical Report 2013-06-07, 2013.
Jürgen Umbrich, Claudio Gutierrez, Aidan Hogan, Marcel Karnstedt, Josiane Xavier Parreira:
The ACE Theorem for Querying the Web of Data,
International World Wide Web Conference (WWW) - Poster Track, 2013, pp. 133-134.
Jürgen Umbrich, Claudio Gutierrez, Aidan Hogan, Marcel Karnstedt and Josiane Xavier Parreira:
Eight Fallacies when Querying the Web of Data,
ICDE Workshop on Data Engineering Meets the Semantic Web (DESWEB), 2013, pp. 21-22.
Jürgen Umbrich, Marcel Karnstedt, Aidan Hogan, Josiane Xavier Parreira:
Hybrid SPARQL queries: fresh vs. fast results,
International Semantic Web Conference (ISWC), 2012, pp. 608-624.
Jürgen Umbrich, Marcel Karnstedt, Aidan Hogan, Josiane Xavier Parreira:
Freshening up while Staying Fast: Towards Hybrid SPARQL Queries,
Knowledge Engineering and Knowledge Management (EKAW), 2012, pp. 164-174.
Alfredo Cuzzocrea, Marcel Karnstedt, Manfred Hauswirth, Kai-Uwe Sattler, Roman Schmidt:
Estimating the Completeness of Range Queries over Structured P2P Databases: Fundamentals, Theory, and Effective Applications to Distributed Information Systems,
in: Giancarlo Fortino, Carlos E. Palau (eds.): Next Generation Content Delivery Infrastructures: Emerging Paradigms and Technologies, IGI Global, 2012, pp. 251-281.
Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth:
Scalable Distributed Indexing and Query Processing over Linked Data,
Journal of Web Semantics: Science, Services and Agents on the World Wide Web, Vol. 10, Jan 2012, pp. 3-32.
Jürgen Umbrich, Marcel Karnstedt, Josiane Xavier Parreira, Axel Polleres, Manfred Hauswirth:
Linked Data and Live Querying for Enabling Support Platforms for Web Dataspaces,
ICDE Workshop on Data Engineering Meets the Semantic Web (DESWEB), 2012, pp. 23-28.
J. Umbrich, K. Hose, M. Karnstedt, A. Harth, A. Polleres:
Comparing Data Summaries for Processing Live Queries over Linked Data,
WWW Journal 14/5-6, Special Issue "Querying the Data Web", 2011, pp. 495-544.
J. Umbrich, M. Karnstedt, S. Land:
Towards Understanding the Changing Web: Mining the Dynamics of Linked-Data Sources and Entities,
KDML 2010: Knowledge Discovery, Data Mining, and Machine Learning, Oct 2010, Kassel, Germany, pp. 159-162.
A. Harth, K. Hose, M. Karnstedt, A. Polleres, K. Sattler, J. Umbrich:
Data Summaries for On-demand Queries over Linked Data,
19th World Wide Web Conference (WWW '10), Raleigh, NC, USA, 2010, pp. 411-420.
M. Hausenblas, M. Karnstedt:
Understanding Linked Open Data as a Web-Scale Database,
International Conference on Advances in Databases, Knowledge, and Data Applications (DBKDA), The Three Valleys, French Alps, France, 2010, pp. 56-61, earned Best Paper Award.
A. Harth, K. Hose, M. Karnstedt, A. Polleres, K. Sattler, J. Umbrich:
On Lightweight Data Summaries for Optimised Query Processing over Linked Data,
DERI Technical Report 2009-11-17, 2009.
M. Karnstedt, K. Sattler, M. Haß, M. Hauswirth, B. Sapkota, R. Schmidt:
Estimating the Number of Answers with Guarantees for Structured Queries in P2P Databases,
ACM 17th Conference on Information and Knowledge Management (CIKM'08), Napa Valley, USA, Oct. 2008, pp. 1407-1408
M. Karnstedt, K. Sattler, M. Haß, M. Hauswirth, B. Sapkota, R. Schmidt:
Approximating Query Completeness by Predicting the Number of Answers in DHT-based Web Applications,
Tenth International Workshop on Web Information and Data Management (WIDM'08 icw CIKM'08), Napa Valley, USA, Oct. 2008, pp. 71-78
M. Karnstedt, K. Sattler, M. Hauswirth, B. Sapkota, R. Schmidt:
A DHT-based Infrastructure for Ad-hoc Integration and Querying of Semantic Data,
Twelfth International Database Engineering & Applications Symposium (IDEAS'08), Coimbra, Portugal, Sep. 2008, pp. 19-28
D. Klan, K. Sattler, K. Hose, M. Karnstedt:
Decentralized Managing of Replication Objects in Massively Distributed Systems,
EDBT 2008: Workshop on Data Management in Peer-to-peer systems (DaMaP'08), Nantes, France, March 2008, pp. 19-26
M. Karnstedt, K. Sattler, R. Schmidt:
Completeness Estimation of Range Queries in Structured Overlays,
Seventh IEEE International Conference on Peer-to-Peer Computing (P2P'07), Galway, Ireland, Sep. 2007, pp. 71-78
M. Karnstedt, J. Müller, K. Sattler:
Cost-Aware Skyline Queries in Structured Overlays
ICDE Workshop on Ranking in Databases (DBRank07), Istanbul, Turkey, 2007, pp. 285-288.
Marcel Karnstedt, Kai-Uwe Sattler, Martin Richtarsky, Jessica Müller, Manfred Hauswirth, Roman Schmidt, Renault John:
UniStore: Querying a DHT-based Universal Storage
ICDE 2007 Demonstrations Program, Istanbul, Turkey, 2007, pp. 1503-1504.
M. Karnstedt, K. Sattler, M. Richtarsky, J. Müller, M. Hauswirth, R. Schmidt, R. John:
UniStore: Querying a DHT-based Universal Storage,
LSIR-REPORT-2006-011 at EPFL, Switzerland, 2006
M. Karnstedt, K. Sattler, M. Hauswirth, R. Schmidt:
Cost-Aware Processing of Similarity Queries in Structured Overlays,
Sixth IEEE Int. Conference on Peer-to-Peer Computing (P2P2006), September 2006, Cambridge, UK, pp. 81-89
M. Karnstedt, K. Sattler, M. Hauswirth, R. Schmidt:
Light-weight Internet-scale Universal Storage,
LSIR-REPORT-2006-008 at EPFL, Switzerland, 2006
M. Karnstedt, K. Sattler, M. Hauswirth, R. Schmidt:
Similarity Queries on Structured Data in Structured Overlays,
2nd IEEE Int. Workshop on Networking Meets Databases (NetDB'06) icw 22nd IEEE Conference on Data Engineering (ICDE 2006), April 2006, Atlanta, GA, USA, pp. 32-37
K. Hose, A. Job, M. Karnstedt, K. Sattler:
An Extensible, Distributed Simulation Environment for Peer Data Management Systems,
10. International Conference on Extending Database Technology - Demonstration Track, Munich, Germany, 2006, pp. 1198-1202.
K. Hose, M. Karnstedt, A. Koch, K. Sattler, D. Zinn:
Processing Rank-Aware Queries in P2P Systems,
Third International Workshop on Databases, Information Systems and Peer-to-Peer Computing (DBISP2P 2005), in conjunction with VLDB 2005, Trondheim, Norway, August 2005, pp. 238-249.
K. Hose, M. Karnstedt, K. Sattler, E.-A. Stehr:
Adaptive Routing Filters for Robust Query Processing in Schema-Based P2P Systems,
Proceedings of IDEAS'05, Montreal, Canada, 2005, pp. 223-228.
K. Hose, M. Karnstedt, K. Sattler, D. Zinn:
Processing Top-N Queries in P2P-based Web Integration Systems with Probabilistic Guarantees,
Eighth International Workshop on the Web and Databases (WebDB 2005), co-located with SIGMOD 2005, Baltimore, USA, June 2005, pp. 109-114.
M. Karnstedt, K. Sattler, E. Schallehn, M. Endig:
Ad-Hoc Integration in schemabasierten P2P Systemen,
In: P. Dadam, M. Reichert (Hrsg.): Proc. Informatik 2004, GI-Workshop Dynamische Informationsfusion, Ulm, Germany, 2004, pp. 373-377.
M. Karnstedt, K. Hose, K. Sattler:
Query Routing and Processing in Schema-Based P2P Systems,
In: Workshop Proc. of DEXA 2004, 1. Int. Workshop Grid and Peer-to-Peer Computing Impacts on Large Scale Heterogeneous DB Systems (GLOBE'04 icw DEXA), Sep 2004, Zaragoza, Spain, pp. 544-548.
M. Karnstedt:
Anfragebearbeitung und Routing in Schema-basierten P2P-Systemen,
In: M. Samia, St. Conrad (Hrsg.): Proceedings of the 16. Workshop "Grundlagen von Datenbanken" (GvDB04), June 2004, Monheim, Germany, pp. 78-82.
M. Karnstedt, K. Hose, K. Sattler:
Distributed Query Processing in P2P Systems with incomplete schema information,
In: J. Grundspenkis, M. Kirikova (Hrsg.): Proc. of CAiSE'04 Workshops, 3. Int. Workshop on Data Integration over the Web (DIWeb2004 icw CAiSE), June 2004, Riga, Latvia, pp. 34-45.
M. Karnstedt:
Semantisches Caching in ontologiebasierten Mediatoren,
Diploma Thesis MLU Halle-Wittenberg, 2003.
M. Karnstedt, K. Sattler, I. Geist, H. Höpfner:
Semantic Caching in Ontology-based Mediator Systems,
In: Proc. of Berliner XML-Tage 2003, 3. Int. Workshop of the GI Working Group "Web und Datenbanken" (WebDB 2003), 2003, pp. 155-169.
M. Karnstedt:
Semantisches Caching in ontologiebasierten Mediatoren,
In: Proceedings Informatiktage 2003 in Bad Schussenried, Germany, Poster, p. 305.

Data Streams & Sensor Networks

Dennis Boldt, Henning Hasemann, Marcel Karnstedt, Alexander Kröller, and Christian von der Weth:
SPARQL for Networks of Embedded Systems,
International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT), 2015, pp. 93-100.
Ioannis Chatzigiannakis, Henning Hasemann, Marcel Karnstedt, Oliver Kleine, Alexander Kröller, Myriam Leggieri, Dennis Pfisterer, Kay Römer, Cuong Truong:
True Self-Configuration for the IoT,
IoT Challenge Competition, Internet of Things International Conference for Industry and Academia, 2012, ranked 2nd place, pp. 9-15.
Dennis Pfisterer, Kay Römer, Daniel Bimschas, Henning Hasemann, Manfred Hauswirth, Marcel Karnstedt, Oliver Kleine, Alexander Kröller, Myriam Leggieri, Richard Mietz, Max Pagel, Alexandre Passant, Ray Richardson, Cuong Truong:
SPITFIRE: Towards a Semantic Web of Things,
IEEE Communications Magazine 49/11, Nov 2011, pp. 40-48.
R. Richardson, M. Hauswirth, A. Passant, M. Leggieri, M. Karnstedt, A. Kröller, H. Hasemann, O. Kleine, D. Pfisterer, K. Römer, C. Truong:
Unlocking Wireless Sensor Networks,
e-Challenges e-2011, 2011.
C. Junghans, M. Karnstedt, M. Gertz:
Quality-Driven Resource-Adaptive Data Stream Mining,
SIGKDD Explorations 13/1, 2011, pp 72-82.
D. Pfisterer, D. Bimschas, O. Kleine, K. Roemer, C. Truong, R. Mietz, A. Kroeller, H. Hasemann, M. Karnstedt, A. Passant, M. Leggieri, M. Hauswirth:
Semantic-Service Provisioning for the Internet of Things,
Workshop on Semantic Services for the Internet of Things (SSIT), ECEASST Workshop at Kommunikation in Verteilten Systemen (KIVS'11), Electronic Communications of the EASST Volume 37, 2011.
D. Klan, M. Karnstedt, K. Hose, L. Ribe-Baumann, K. Sattler:
Stream Engines Meet Wireless Sensor Networks: Cost-Based Planning and Processing of Complex Queries in AnduIN,
Distributed and Parallel Databases Journal 29/1, Special Issue "Query Processing in Sensor Networks", pp. 151-183, 2011.
D. Klan, K. Hose, M. Karnstedt, K. Sattler:
Power-Aware Data Analysis in Sensor Networks,
Demo Proceedings of the 26th International Conference on Data Engineering, Long Beach, California, USA, 2010, pp. 1125-1128.
C. Franke, M. Karnstedt, D. Klan, M. Gertz, K. Sattler, E. Chervakova:
In-Network Detection of Anomaly Regions in Sensor Networks with Obstacles,
Computer Science - Research and Development: Volume 24, Issue 3, 2009, pp. 153-170.
J. Umbrich, M. Karnstedt, A. Harth:
Fast and Scalable Pattern Mining for Media-Type Focused Crawling,
KDML 2009: Knowledge Discovery, Data Mining, and Machine Learning, Sep 2009, Darmstadt, Germany, pp. 119-126.
C. Franke, M. Karnstedt, D. Klan, M. Gertz, K. Sattler, W. Kattanek:
In-Network Detection of Anomaly Regions in Sensor Networks with Obstacles,
BTW 2009, Münster, Germany, pp. 367-386, chosen for a special journal issue on "BTW 2009 Best Papers".
M. Karnstedt, D. Klan, Ch. Pölitz, K. Sattler, C. Franke:
Adaptive Burst Detection in a Stream Engine,
2009 ACM Symposium on Applied Computing (SAC'09), Apr 2009, Honululu, USA, pp. 1511-1515.
D. Klan, M. Karnstedt, Ch. Pölitz, K. Sattler:
Towards Burst Detection for Non-Stationary Stream Data,
KDML 2008: Knowledge Discovery, Data Mining, and Machine Learning, Oct 2008, Würzburg, Germany, pp. 57-60.
K. Hose, M. Karnstedt, D. Klan, K. Sattler, J. Quasebarth:
Incremental Mining for Facility Management,
KDML 2007: Knowledge Discovery, Data Mining, and Machine Learning, Sep 2007, Halle (Saale), Germany, pp. 183-190.
M. Karnstedt, K. Sattler, D. Habich, W. Lehner:
Quality of Service-Driven Stream Mining,
Second International Workshop on Data Stream Mining and Management (DSMM 2007), Seventh IEEE International Conference on Data Mining Workshops (ICDMW 2007), Omaha, USA, Oct 2007, pp. 545-550.
M. Karnstedt, C. Franke, M.M. Gaber:
A Model for Quality Guaranteed Resource-Aware Stream Mining,
Fifth International Workshop on Knowledge Discovery from Ubiquitous Data Streams icw ECML/PKDD'07, Warsaw, Poland, Sep 2007, pp. 72-82.
A. Klein, H.-H. Do, G. Hackenbroich, M. Karnstedt, W. Lehner:
Representing Data Quality for Streaming and Static Data
ICDE Workshop on Ambient Intelligence, Media, and Sensing (AIMS07), Istanbul, Turkey, 2007, pp. 3-10.
C. Franke, M. Karnstedt, K. Sattler:
Mining Data Streams under Dynamicly Changing Resource Constraints,
KDML 2006: Knowledge Discovery, Data Mining, and Machine Learning, October 2006, Hildesheim, Germany, pp. 262-269
A. Hinneburg, D. Habich, M. Karnstedt:
Analyzing Data Streams by Online DFT,
ECML/PKDD-2006 International Workshop on Knowledge Discovery from Data Streams (IWKDDS-2006), 2006, Berlin, Germany, pp. 67-76.
C. Franke, M. Hartung, M. Karnstedt, K. Sattler:
Quality-aware Mining of Data Streams,
International Conference on Information Quality - ICIQ 2005, Boston, USA, pp. 300-315.
D. Habich, M. Karnstedt, A. Hinneburg:
Erkennen von aperiodischen Ausreißern,
6. GI-Workshop "Knowledge Discovery" in the run-up to BTW 2005, Karlsruhe, Germany, 2005.

Others

M. Karnstedt, K. Stolze:
Datenbankimplementierungstechniken zum Anfassen - Ein Erfahrungsbericht,
Datenbank Spektrum, 27/08, Dec. 2008, pp. 37-41, dpunkt.verlag.
K. Stolze, M. Karnstedt:
Datenbankimplementierungstechniken zum Anfassen - Ein Erfahrungsbericht,
Autumnal Meeting of the GI Professional Group on Databases, Nov. 2008, Düsseldorf, Germany.
H.Blaar, M. Karnstedt, T. Lange, R. Winter:
Possibilities to solve the clique problem by thread parallelism using task pools,
Proc. of the 19th IEEE Parallel & Distributed Processing Symposium, 7th Workshop on Java for Parallel and Distributed Computing, April 4-8 2005, Denver, Colorado, USA, IEEE, 2005.
H. Blaar, M. Karnstedt, T. Lange, R. Winter:
Possibilities to solve the clique problem by thread parallelism using task pools,
Reports of the Institute for Computer Science Martin-Luther-Universität Halle-Wittenberg, Report No. 09 (2004).
M. Karnstedt, T. Lange:
Parallele Algorithmen zur Lösung des CLIQUE-Problems
In: Proceedings Informatiktage 2002 in Bad Schussenried, Germany, Poster, p. 327.

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  Last update:  Sun, 30 Apr 2017