Marcel Karnstedt

According to our database, Marcel Karnstedt authored at least 69 papers between 2003 and 2015.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2015

Processing Large Graphs: Representations, Storage, Systems and Algorithms.

Deepak Ajwani, Marcel Karnstedt, Alessandra Sala

Proceedings of the 24th International Conference on World Wide Web Companion, 2015

SPARQL for Networks of Embedded Systems.

Dennis Boldt, Henning Hasemann, Marcel Karnstedt, Alexander Kroeller, Christian von der Weth

Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, 2015

Graph-Based Methods for Clustering Topics of Interest in Twitter.

Hugo Hromic, Narumol Prangnawarat, Ioana Hulpus, Marcel Karnstedt, Conor Hayes

Proceedings of the Engineering the Web in the Big Data Era - 15th International Conference, 2015

2014

On Metrics for Measuring Fragmentation of Federation over SPARQL Endpoints.

Nur Aini Rakhmawati, Marcel Karnstedt, Michael Hausenblas, Stefan Decker

Proceedings of the WEBIST 2014, 2014

Optimizing SPARQL Query Processing on Dynamic and Static Data Based on Query Time/Freshness Requirements Using Materialization.

Soheila Dehghanzadeh, Josiane Xavier Parreira, Marcel Karnstedt, Jürgen Umbrich, Manfred Hauswirth, Stefan Decker

Proceedings of the Semantic Technology - 4th Joint International Conference, 2014

Index-Based Source Selection and Optimization.

Jürgen Umbrich, Marcel Karnstedt, Axel Polleres, Kai-Uwe Sattler

Proceedings of the Linked Data Management., 2014

P2P-Based Query Processing over Linked Data.

Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth

Proceedings of the Linked Data Management., 2014

2013

Querying over Federated SPARQL Endpoints - A State of the Art Survey.

Nur Aini Rakhmawati, Jürgen Umbrich, Marcel Karnstedt, Ali Hasnain, Michael Hausenblas

CoRR, 2013

The ACE theorem for querying the web of data.

Jürgen Umbrich, Claudio Gutierrez, Aidan Hogan, Marcel Karnstedt, Josiane Xavier Parreira

Proceedings of the 22nd International World Wide Web Conference, 2013

Large-scale social-media analytics on stratosphere.

Christoph Boden, Marcel Karnstedt, Miriam Fernández, Volker Markl

Proceedings of the 22nd International World Wide Web Conference, 2013

Unsupervised graph-based topic labelling using dbpedia.

Ioana Hulpus, Conor Hayes, Marcel Karnstedt, Derek Greene

Proceedings of the Sixth ACM International Conference on Web Search and Data Mining, 2013

Analyzing Social Behavior of Software Developers Across Different Communication Channels (S).

Aftab Iqbal, Marcel Karnstedt, Michael Hausenblas

Proceedings of the 25th International Conference on Software Engineering and Knowledge Engineering, 2013

Kanopy: Analysing the Semantic Network around Document Topics.

Ioana Hulpus, Conor Hayes, Marcel Karnstedt, Derek Greene, Marek Jozwowicz

Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2013

A Comparison of Federation over SPARQL Endpoints Frameworks.

Nur Aini Rakhmawati, Jürgen Umbrich, Marcel Karnstedt, Ali Hasnain, Michael Hausenblas

Proceedings of the Knowledge Engineering and the Semantic Web, 2013

Eight Fallacies when querying the Web of Data.

Jürgen Umbrich, Claudio Gutierrez, Aidan Hogan, Marcel Karnstedt, Josiane Xavier Parreira

Proceedings of the Workshops Proceedings of the 29th IEEE International Conference on Data Engineering, 2013

Topic 7: Peer-to-Peer Computing - (Introduction).

Damiano Carra, Thorsten Strufe, György Dán, Marcel Karnstedt

Proceedings of the Euro-Par 2013 Parallel Processing, 2013

2012

Scalable distributed indexing and query processing over Linked Data.

Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth

J. Web Semant., 2012

Behaviour analysis across different types of enterprise online communities.

Matthew Rowe, Miriam Fernández, Harith Alani, Inbal Ronen, Conor Hayes, Marcel Karnstedt

Proceedings of the Web Science 2012, 2012

Hybrid SPARQL Queries: Fresh vs. Fast Results.

Jürgen Umbrich, Marcel Karnstedt, Aidan Hogan, Josiane Xavier Parreira

Proceedings of the Semantic Web - ISWC 2012, 2012

True self-configuration for the IoT.

Ioannis Chatzigiannakis, Henning Hasemann, Marcel Karnstedt, Oliver Kleine, Alexander Kröller, Myriam Leggieri, Dennis Pfisterer, Kay Römer, Cuong Truong

Proceedings of the 3rd IEEE International Conference on the Internet of Things, 2012

Linked Data and Live Querying for Enabling Support Platforms for Web Dataspaces.

Jürgen Umbrich, Marcel Karnstedt, Josiane Xavier Parreira, Axel Polleres, Manfred Hauswirth

Proceedings of the Workshops Proceedings of the IEEE 28th International Conference on Data Engineering, 2012

An Eigenvalue-Based Measure for Word-Sense Disambiguation.

Ioana Hulpus, Conor Hayes, Marcel Karnstedt, Derek Greene

Proceedings of the Twenty-Fifth International Florida Artificial Intelligence Research Society Conference, 2012

Freshening up while Staying Fast: Towards Hybrid SPARQL Queries.

Jürgen Umbrich, Marcel Karnstedt, Aidan Hogan, Josiane Xavier Parreira

Proceedings of the Knowledge Engineering and Knowledge Management, 2012

2011

Comparing data summaries for processing live queries over Linked Data.

Jürgen Umbrich, Katja Hose, Marcel Karnstedt, Andreas Harth, Axel Polleres

World Wide Web, 2011

Quality-driven resource-adaptive data stream mining?

Conny Junghans, Marcel Karnstedt, Michael Gertz

SIGKDD Explor., 2011

Semantic-Service Provisioning for the Internet of Things.

Daniel Bimschas, Henning Hasemann, Manfred Hauswirth, Marcel Karnstedt, Oliver Kleine, Alexander Kröller, Myriam Leggieri, Richard Mietz, Alexandre Passant, Dennis Pfisterer, Kay Römer, Cuong Truong

Electron. Commun. Eur. Assoc. Softw. Sci. Technol., 2011

Stream engines meet wireless sensor networks: cost-based planning and processing of complex queries in AnduIN.

Daniel Klan, Marcel Karnstedt, Katja Hose, Liz Ribe-Baumann, Kai-Uwe Sattler

Distributed Parallel Databases, 2011

SPITFIRE: toward a semantic web of things.

Dennis Pfisterer, Kay Römer, Daniel Bimschas, Oliver Kleine, Richard Mietz, Cuong Truong, Henning Hasemann, Alexander Kröller, Max Pagel, Manfred Hauswirth, Marcel Karnstedt, Myriam Leggieri, Alexandre Passant, Ray Richardson

IEEE Commun. Mag., 2011

The effect of user features on churn in social networks.

Marcel Karnstedt, Matthew Rowe, Jeffrey Chan, Harith Alani, Conor Hayes

Proceedings of the Web Science 2011, 2011

2010

Churn in Social Networks.

Marcel Karnstedt, Tara Hennessy, Jeffrey Chan, Partha Basuchowdhuri, Conor Hayes, Thorsten Strufe

Proceedings of the Handbook of Social Network Technologies and Applications, 2010

Life-Cycles and Mutual Effects of Scientific Communities

Václav Belák, Marcel Karnstedt, Conor Hayes

CoRR, 2010

Data summaries for on-demand queries over linked data.

Andreas Harth, Katja Hose, Marcel Karnstedt, Axel Polleres, Kai-Uwe Sattler, Jürgen Umbrich

Proceedings of the 19th International Conference on World Wide Web, 2010

Churn in Social Networks: A Discussion Boards Case Study.

Marcel Karnstedt, Tara Hennessy, Jeffrey Chan, Conor Hayes

Proceedings of the 2010 IEEE Second International Conference on Social Computing, 2010

Towards Understanding the Changing Web: Mining the Dynamics of Linked-Data Sources and Entities.

Jürgen Umbrich, Marcel Karnstedt, Sebastian Land

Proceedings of the LWA 2010, 2010

On the Need of Graph Support for Developer Identification in Software Repositories.

Aftab Iqbal, Marcel Karnstedt

Proceedings of the LWA 2010, 2010

Power-aware data analysis in sensor networks.

Daniel Klan, Katja Hose, Marcel Karnstedt, Kai-Uwe Sattler

Proceedings of the 26th International Conference on Data Engineering, 2010

Understanding Linked Open Data as a Web-Scale Database.

Michael Hausenblas, Marcel Karnstedt

Proceedings of the Second International Conference on Advances in Databases, 2010

2009

Query processing in a DHT-based universal storage: the world as a peer-to-peer database.

Marcel Karnstedt

PhD thesis, 2009

In-network detection of anomaly regions in sensor networks with obstacles.

Conny Franke, Marcel Karnstedt, Daniel Klan, Michael Gertz, Kai-Uwe Sattler, Elena Chervakova

Comput. Sci. Res. Dev., 2009

Adaptive burst detection in a stream engine.

Marcel Karnstedt, Daniel Klan, Christian Pölitz, Kai-Uwe Sattler, Conny Franke

Proceedings of the 2009 ACM Symposium on Applied Computing (SAC), 2009

Fast and Scalable Pattern Mining for Media-Type Focused Crawling.

Jürgen Umbrich, Marcel Karnstedt, Andreas Harth

Proceedings of the LWA 2009: Workshop-Woche: Lernen, 2009

Towards Cross-Community Effects in Scientific Communities.

Marcel Karnstedt, Conor Hayes

Proceedings of the LWA 2009: Workshop-Woche: Lernen, 2009

In-Network Detection of Anomaly Regions in Sensor Networks with Obstacles.

Conny Franke, Marcel Karnstedt, Daniel Klan, Michael Gertz, Kai-Uwe Sattler, Wolfram Kattanek

Proceedings of the Datenbanksysteme in Business, 2009

2008

Datenbankimplementierungstechniken zum Anfassen - ein Erfahrungsbericht.

Marcel Karnstedt, Knut Stolze

Datenbank-Spektrum, 2008

Approximating query completeness by predicting the number of answers in DHT-based web applications.

Marcel Karnstedt, Kai-Uwe Sattler, Michael Haß, Manfred Hauswirth, Brahmananda Sapkota, Roman Schmidt

Proceedings of the 10th ACM International Workshop on Web Information and Data Management (WIDM 2008), 2008

Towards Burst Detection for Non-Stationary Stream Data.

Daniel Klan, Marcel Karnstedt, Christian Pölitz, Kai-Uwe Sattler

Proceedings of the LWA 2008, 2008

A DHT-based infrastructure for ad-hoc integration and querying of semantic data.

Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth, Roman Schmidt

Proceedings of the 12th International Database Engineering and Applications Symposium (IDEAS 2008), 2008

Decentralized managing of replication objects in massively distributed systems.

Daniel Klan, Kai-Uwe Sattler, Katja Hose, Marcel Karnstedt

Proceedings of the 2008 International Workshop on Data Management in Peer-to-Peer Systems, 2008

Estimating the number of answers with guarantees for structured queries in p2p databases.

Marcel Karnstedt, Kai-Uwe Sattler, Michael Haß, Manfred Hauswirth, Brahmananda Sapkota, Roman Schmidt

Proceedings of the 17th ACM Conference on Information and Knowledge Management, 2008

2007

Completeness Estimation of Range Queries in Structured Overlays.

Marcel Karnstedt, Kai-Uwe Sattler, Roman Schmidt

Proceedings of the Seventh IEEE International Conference on Peer-to-Peer Computing (P2P 2007), 2007

Incremental Mining for Facility Management.

Katja Hose, Marcel Karnstedt, Daniel Klan, Kai-Uwe Sattler, Jana Quasebarth

Proceedings of the LWA 2007: Lernen - Wissen, 2007

An Approach for Incremental Semi-supervised SVM.

Wael Emara, Mehmed M. Kantardzic, Marcel Karnstedt, Kai-Uwe Sattler, Dirk Habich, Wolfgang Lehner

Proceedings of the Workshops Proceedings of the 7th IEEE International Conference on Data Mining (ICDM 2007), 2007

Representing Data Quality for Streaming and Static Data.

Anja Klein, Hong Hai Do, Gregor Hackenbroich, Marcel Karnstedt, Wolfgang Lehner

Proceedings of the 23rd International Conference on Data Engineering Workshops, 2007

UniStore: Querying a DHT-based Universal Storage.

Marcel Karnstedt, Kai-Uwe Sattler, Martin Richtarsky, Jessica Müller, Manfred Hauswirth, Roman Schmidt, Renault John

Proceedings of the 23rd International Conference on Data Engineering, 2007

Cost-Aware Skyline Queries in Structured Overlays.

Marcel Karnstedt, Jessica Müller, Kai-Uwe Sattler

Proceedings of the 23rd International Conference on Data Engineering Workshops, 2007

2006

Cost-Aware Processing of Similarity Queries in Structured Overlays.

Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth, Roman Schmidt

Proceedings of the Sixth IEEE International Conference on Peer-to-Peer Computing (P2P 2006), 2006

Mining Data Streams under Dynamicly Changing Resource Constraints.

Conny Franke, Marcel Karnstedt, Kai-Uwe Sattler

Proceedings of the LWA 2006: Lernen - Wissensentdeckung - Adaptivität, Hildesheim, Deutschland, October 9th-11th 2006, joint workshop event of several interest groups of the German Society for Informatics (GI) - 14th Workshop on Adaptivity and User Modeling in Interactive Systems (ABIS 2006) - Workshop Information Retrieval 2006 of the Special Interest Group Information Retrieval (FGIR 2006) - Workshop on Knowledge and Experience Management (FGWM 2006), 2006

Similarity Queries on Structured Data in Structured Overlays.

Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswirth, Roman Schmidt

Proceedings of the 22nd International Conference on Data Engineering Workshops, 2006

An Extensible, Distributed Simulation Environment for Peer Data Management Systems.

Katja Hose, Andreas Job, Marcel Karnstedt, Kai-Uwe Sattler

Proceedings of the Advances in Database Technology, 2006

2005

Processing Top-N Queries in P2P-based Web Integration Systems with Probabilistic Guarantees.

Katja Hose, Marcel Karnstedt, Kai-Uwe Sattler, Daniel Zinn

Proceedings of the Eight International Workshop on the Web & Databases (WebDB 2005), 2005

Quality-Aware Mining of Data Streams.

Conny Franke, Michael Hartung, Marcel Karnstedt, Kai-Uwe Sattler

Proceedings of the 2005 International Conference on Information Quality (MIT ICIQ Conference), 2005

Possibilities to Solve the Clique Problem by Thread Parallelism using Task Pools.

Holger Blaar, Thomas Lange, Renate Winter, Marcel Karnstedt

Proceedings of the 19th International Parallel and Distributed Processing Symposium (IPDPS 2005), 2005

Adaptive Routing Filters for Robust Query Processing in Schema-Based P2P Systems.

Katja Hose, Marcel Karnstedt, Kai-Uwe Sattler, Ernst-August Stehr

Proceedings of the Ninth International Database Engineering and Applications Symposium (IDEAS 2005), 2005

Processing Rank-Aware Queries in P2P Systems.

Katja Hose, Marcel Karnstedt, Anke Koch, Kai-Uwe Sattler, Daniel Zinn

Proceedings of the Databases, 2005

2004

Anfragebearbeitung und Routing in Schema-basierten P2P-Systemen.

Marcel Karnstedt

Proceedings of the Tagungsband zum 16. GI-Workshop Grundlagen von Datenbanken, 2004

Ad-hoc-Integration in schemabasierten P2P-Systemen.

Marcel Karnstedt, Kai-Uwe Sattler, Eike Schallehn, Martin Endig

Proceedings of the 34. Jahrestagung der Gesellschaft für Informatik, 2004

Distributed Query Processing in P2P Systems with Incomplete Schema Information.

Marcel Karnstedt, Katja Hose, Kai-Uwe Sattler

Proceedings of the DIWeb2004, 2004

Query Routing and Processing in Schema-Based P2P Systems.

Marcel Karnstedt, Katja Hose, Kai-Uwe Sattler

Proceedings of the 15th International Workshop on Database and Expert Systems Applications (DEXA 2004), with CD-ROM, 30 August, 2004

2003

Semantic Caching in Ontology-based Mediator Systems.

Marcel Karnstedt, Kai-Uwe Sattler, Ingolf Geist, Hagen Höpfner

Proceedings of the Berliner XML Tage 2003, 13.-15. Oktober 2003 in Berlin, 2003