Publications

Efficient Discovery of Frequent Subgraph Patterns in Uncertain Graph Databases
Odysseas Papapetrou, Ekaterini Ioannou, and Dimitrios Skoutas.
In Proceedings of the 14th International Conference on Extending Database Technology (EDBT), Mar. 2011, Sweden.
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Efficient Entity Resolution for Large Heterogeneous Information Spaces
Georgios Papadakis, Ekaterini Ioannou, Claudia Niederée, and Peter Fankhauser.
In Proceedings of the 4th ACM International Conference on Web Search and Data Mining (WSDM), Feb. 2011, Hong Kong.
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On-the-Fly Entity-Aware Query Processing in the Presence of Linkage
Ekaterini Ioannou, Wolfgang Nejdl, Claudia Niederée, Yannis Velegrakis
In Proceedings of the VLDB Endowment (PVLDB), Vol. 3, No. 1, 13-17 Sep. 2010, Singapore.
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Enabling Entity-Based Aggregators for Web 2.0 data
Ekaterini Ioannou, Claudia Niederée, Yannis Velegrakis
In Proceedings of the 19th International World Wide Web Conference (WWW), 26-30 April 2010, Raleigh, NC, USA.
pdf,   poster,   entity request/query collections,   more info >>

A Matching Framework for Entity-Based Aggregation
Ekaterini Ioannou, Claudia Niederée, Yannis Velegrakis
In Proceedings of the 9th Hellenic Data Management Symposium (HDMS), June 2010, Ayia Napa, Cyprus.
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Efficient Semantic-Aware Detection of Near Duplicate Resources
Ekaterini Ioannou, Odysseas Papapetrou, Dimitrios Skoutas, Wolfgang Nejdl
In Proceedings of the 7th Extended Semantic Web Conference (ESWC), 30 May - 03 June 2010, Heraklion, Greece.
pdf,   presentation,   news articles dataset,   more info >>

Leveraging Personal Metadata for Desktop Search - The Beagle++ System
Enrico Minack, Raluca Paiu, Stefania Costache, Gianluca Demartini, Julien Gaugaz, Ekaterini Ioannou,
Paul-Alexandru Chirita, and Wolfgang Nejdl
In Journal of Web Semantics, 2010.
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From Web Data to Entities and Back
Z. Miklos, N. Bonvin, P. Bouquet, M. Catasta, D. Cordioli, P. Fankhauser, J. Gaugaz,
E. Ioannou, H. Koshutanski, A. Mana, C. Niederée, T. Palpanas, and H. Stoermer
In 22nd International Conference on Advanced Information Systems Engineering (CAiSE), June 2010, Hammamet, Tunisia.
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Efficient Term Cloud Generation for Streaming Web Content
Odysseas Papapetrou, George Papadakis, Ekaterini Ioannou, and Dimitrios Skoutas
In 10th International Conference on Web Engineering (ICWE), July 2010, Vienna, Austria.
pdf,   more info >>

Detecting Contexts on the Desktop Using Bayesian Networks
Stefania Costache, Julien Gaugaz, Ekaterini Ioannou, Claudia Niederée, and Wolfgang Nejdl
In DESKTOP Search Workshop, co-located with SIGIR, July 2010, Geneva, Switzerland.
pdf

Entity-Aware Query Processing for Heterogeneous Data with Uncertainty and Correlations
Ekaterini Ioannou
In Joint EDBT/ICDT Ph.D. Workshop, March 2009, St.-Petersburg, Russia. (Best Submission Award)
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Entity Search with NECESSITY
Ekaterini Ioannou, Saket Sathe, Nicolas Bonvin, Anshul Jain, Srikanth Bondalapati, Gleb Skobeltsyn,
Claudia Niederée, Zoltan Miklos
In Web and Databases Workshop (WebDB) co-located with ACM SIGMOD, June 2009, Providence, Rhode Island.
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Probabilistic Entity Linkage for Heterogeneous Information Spaces
Ekaterini Ioannou, Claudia Niederée, Wolfgang Nejdl
In Advanced Information Systems Engineering, 20th International Conference (CAiSE), June 2008, Montpellier, France.
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Access Control for sharing Semantic Data Across Desktops
Ekaterini Ioannou, Juri Luca De Coi, Arne Kösling, Daniel Olmedilla, Wolfgang Nejdl
In 1st International Workshop on Privacy Enforcement and Accountability with Semantics (PEAS), International Semantic Web Conference, November 2007, Busan, Korea.
pdf,   more info >>

The Beagle++ Toolbox: Towards an Extendable Desktop Search Architecture
Ingo Brunkhorst, Paul-Alexandru Chirita, Stefania Costache, Julien Gaugaz, Ekaterini Ioannou, Tereza Iofciu, Enrico Minack, Wolfgang Nejdl, Raluca Paiu
In Semantic Desktop Workshop (SemDesk-2006), International Semantic Web Conference, November 2006, Athens, GA, USA.
pdf,   more info >>