Tuesday, 1 June • 11:00-13:00  |  Clio + Efterpi + Thalia + Melpo

Semantic Web in Use I
Session Chair: Stuart Campbell

Tuesday, 1st June • 11:00-13:00  |  Kalia + Erato + Polymnea + Ourania

Ontologies and Reasoning I
Session Chair: Jeff Pan

Assessing the Safety of Knowledge Patterns in OWL Ontologies
Luigi Iannone, Ignazio Palmisano, Alan Rector and Robert Stevens

OWL Reasoning with MapReduce: Calculating the Closure of 100 Billion Triples
Jacopo Urbani, Spyros Kotoulas, Jason Maassen, Frank van Harmelen and Henri Bal

Reasoning-based Patient Classification for Enhanced Medical Image Annotations
Sonja Zillner

A Generic Approach for Correcting Access Restrictions to a Consequence
Martin Knechtel and Rafael Penaloza

Tuesday, 1st June • 14:30-16:00  |  Clio + Efterpi + Thalia + Melpo

Web of Data I
Session Chair: Paul Groth

Object Link Structure in the Semantic Web
Weiyi Ge, Jianfeng Chen and Yuzhong Qu.

Hierarchical Link Analysis for Ranking Web Data
Renaud Delbru, Nickolai Toupikov, Michele Catasta, Giovanni Tummarello and Stefan Decker.

ExpLOD: Summary-based Exploration of Interlinking and RDF Usage in the Linked Open Data Cloud
Mariano Consens and Shahan Khatchadourian.

Tuesday, 1st June • 14:30-16:00  |  Kalia + Erato + Polymnea + Ourania

Mobility and Sensor Networks I
Session Chair: Matthias Wagner

Finding Your Way through the Rijksmuseum with an Adaptive Mobile Museum Guide
Willem Robert van Hage, Natalia Stash, Yiwen Wang and Lora Aroyo

Incremental Reasoning on Streams and Rich Background Knowledge
Davide Francesco Barbieri, Daniele Braga, Stefano Ceri, Emanuele Della Valle and Michael Grossniklaus

Mobile Semantic-based Matchmaking: a Fuzzy DL Approach
Michele Ruta, Floriano Scioscia and Eugenio Di Sciascio

Wednesday, 2nd June • 11:00-13:00  |  Hermes + Apollon

Social Web I
Session Chair: Wolfgang Nejdl

Efficient Semantic-Aware Detection of Near Duplicate Resources
Ekaterini Ioannou, Odysseas Papapetrou, Dimitrios Skoutas and Wolfgang Nejdl

Using Social Media for Ontology Enrichment
Paola Monachesi and Thomas Markus

Acquiring Thesauri from Wikis by Exploiting Domain Models and Lexical Substitution
Claudio Giuliano, Alfio Massimiliano Gliozzo, Aldo Gangemi and Katerina Tymoshenko

OKBook: Peer-to-Peer Community Formation
Xi Bai, Wamberto Vasconcelos and Dave Robertson

Wednesday, 2nd June • 11:00-13:00  |  Clio + Efterpi + Thalia + Melpo

Semantic Web in Use II
Session Chair: Sören Auer

Facilitating Dialogue - Using Semantic Web Technology for eParticipation
George Anadiotis, Panos Alexopoulos, Konstantinos Mpaslis, Aristotelis Zosakis, Konstantinos Kafentzis and Konstantinos Kotis

Taking OWL to Athens - Semantic Web Technology Takes Ancient Greek History to Students
Jochen Reutelshoefer, Florian Lemmerich, Joachim Baumeister, Jorit Wintjes and Lorenz Haas

A Web-based Repository Service for Vocabularies and Alignments in the Cultural Heritage Domain
Lourens van der Meij, Antoine Isaac and Claus Zinn

Implementing Archaeological Periods Using CIDOC CRM and SKOS
Ceri Binding

Wednesday, 2nd June • 11:00-13:00  |  Kalia + Erato + Polymnea + Ourania

Ontologies and Reasoning II
Session Chair: Adrian Paschke

Reactive Policies for the Semantic Web
Piero Bonatti, Philipp Karger and Daniel Olmedilla

On the Efficiency of Joining Group Patterns in SPARQL Queries
Maria Esther Vidal, Edna Ruckhaus, Tomas Lampo, Javier Sierra, Amadis Martinez and Axel Polleres

Categorize By: Deductive Aggregation of Semantic Web Query Results
Claudia d‘Amato, Nicola Fanizzi and Agnieszka Lawrynowicz

Dealing with Inconsistency when Combining Ontologies and Rules Using DL-programs
Jorg Puhrer, Stijn Heymans and Thomas Eiter

Wednesday, 2nd June • 14:30-16:00  |  Hermes + Apollon

Software and Services I
Session Chair: Elena Simperl

Measures for Benchmarking Semantic Web Service Matchmaking Correctness
Ulrich Kuster and Birgitta Konig-Ries

A Model of User Preferences for Semantic Services Discovery and Ranking
Jose Maria Garcia, David Ruiz and Antonio Ruiz-Cortes

Wednesday, 2nd June • 14:30-16:00  |  Clio + Efterpi + Thalia + Melpo

Web of Data II
Session Chair: Denny Vrandecic

A Node Indexing Scheme for Web Entity Retrieval
Renaud Delbru, Nickolai Toupikov, Michele Catasta and Giovanni Tummarello

Combining Keyword Translation with Structured Query Answering for Efficient Keyword Search
Gunter Ladwig, Thanh Tran, Lei Zhang and Haofen Wang

A Comparative Study of Keyword Search, Query Completion, Result Completion and Faceted Search
Thanh Tran, Tobias Mathäß, Peter Haase

Wednesday, 2nd June • 14:30-16:00  |  Kalia + Erato + Polymnea + Ourania

Mobility and Sensor Networks  II
Session Chair: Oscar Corcho

Replication and Versioning of Partial RDF Graphs
Bernhard Schandl

A Hybrid Model and Computing Platform for Spatio-Semantic Trajectories
Zhixian Yan, Christine Parent, Stefano Spaccapietra and Dipanjan Chakraborty

Modeling and Querying Metadata in the Semantic Sensor Web: the Model stRDF and the Query Language stSPARQL
Manolis Koubarakis and Kostis Kyzirakos

Thursday, 3rd June • 11:00-13:00  |  Hermes + Apollon

Social Web II
Session Chair: Steffen Staab

The Impact of Multifaceted Tagging on Learning Tag Relations and Search
Fabian Abel, Daniel Krause and Ricardo Kawase

Semantics, Sensors, and the Social Web: The Live Social Semantics experiments
Martin Szomszor, Ciro Cattuto, Wouter Van den Broeck, Alain Barrat and Harith Alani

Representing Distributed Groups with dgFOAF
Felix Schwagereit, Ansgar Scherp and Steffen Staab

Guarding a Walled Garden - Semantic Privacy Preferences for the Social Web
Philipp Karger and Wolf Siberski

Thursday, 3rd June • 11:00-13:00  |  Clio + Efterpi + Thalia + Melpo

Semantic Web in Use III
Session Chair: Sebastian Hellmann

Generating Innovation with Semantically Enabled TasLab Portal
Pavel Shvaiko, Alessandro Oltramari, Roberta Cuel, Davide Pozza and Giuseppe Angelini

Interactive Relationship Discovery via the Semantic Web
Philipp Heim, Steffen Lohmann and Timo Stegemann

Context-driven Semantic Enrichment of Italian News Archive
Andrei Tamilin, Luciano Serafini, Bernardo Magnini, Christian Girardi, Roberto Zanoli and Mathew Joseph

Put in Your Postcode, Out Comes the Data: A Case Study
Tope Omitola, Igor Popov, Yang Yang and Christos Koumenides

Thursday, 3rd June • 11:00-13:00  |  Kalia + Erato + Polymnea + Ourania

Ontologies and Reasoning III
Session Chair: Fabio Ciravegna

GeoWordNet: a Resource for Geo-spatial Applications
Fausto Giunchiglia, Vincenzo Maltese, Feroz Farazi and Biswanath Dutta

Aligning Large SKOS-like Vocabularies: Two Case Studies
Anna Tordai, Jacco van Ossenbruggen, Guus Schreiber and Bob Wielinga

Entity Reference Resolution via Spreading Activation on RDF-Graphs
Joachim Kleb and Andreas Abecker

Natural Language Interface to Ontologies: Combining Syntactic Analysis and Ontology-based Lookup through the User Interaction
Danica Damljanovic and Milan Agatonovic

Thursday, 3rd June • 14:30-16:00  |  Hermes + Apollon

Software and Services II
Session Chair: Carlos Pedrinaci

Efficient Semantic Event Processing: Lessons Learned in User Interface Integration
Heiko Paulheim

Towards Practical Semantic Web Service Discovery
Martin Junghans and Sudhir Agarwal

Usage Policies for Document Compositions
Sebastian Speiser

Natural Language Interface to Ontologies: Combining Syntactic Analysis and Ontology-based Lookup through the User Interaction
Danica Damljanovic and Milan Agatonovic

Thursday, 3rd June • 14:30-16:00  |  Clio + Efterpi + Thalia + Melpo

Web of Data III
Session Chair: Yannis Tzitzikas

An Unsupervised Approach for Acquiring Ontologies and RDF Data from Online Life Science Databases
Mohammad S. Mir, Steffen Staab and Isabel Rojas

Leveraging Terminological Structure for Object Reconciliation
Jan Noessner, Mathias Niepert, Christian Meilicke and Heiner Stuckenschmidt

Improving the Performance of Semantic Web Applications with SPARQL Query Result Caching
Michael Martin, Jörg Unbehauen and Sören Auer