ISWC 2007 ASWC 2007 6 th International Semantic

ISWC 2007 + ASWC 2007 6 th International Semantic Web Conference Busan, South Korea, Nov. 11 -15, 2007 http: //iswc 2007. semanticweb. org http: //data. semanticweb. org/conference/iswc-aswc/2007/

Statistics • About 540 participants from 30 countries • 3 invited talks • Research track – 257 submissions, an 18% increase – 50 accepted (19% acceptance rate) » (215, 52, 24%) • In-Use Track – 29 submissions – 12 accepted (41% acceptance rate) » (42, 14, 33%)

Invited talks • Brewster Kahle: Universal Access to Human Knowledge (Or Public Access to Digital Materials) • Barney Pell: Natural Language and the Semantic Web • http: //www. powerset. com/ • Chris Welty: How I was right even when I was wrong

Semantic Web Challenge http: //challenge. semanticweb. org/ Goal: to apply Semantic Web techniques in building online end-user applications that integrate, combine and deduce information needed to assist users in performing task • Certain minimum criteria: – – Meaning of data has to play a central role Heterogeneous information sources, under diverse control Open world assumption (information is never complete) (multi-media, commercial potential, scalability, dynamic data) • Semantic Web Challenge – 23 submitted Semantic Web applications – 19 accepted

Semantic Web Challenge. . . • Group. Me! - Where Semantic Web meets Web 2. 0 • Jerome. DL – a Semantic Digital Library • CHIP Demonstrator: Semantics-driven Recommendations and Museum Tour Generation • Potluck: Semi-Ontology Alignment for Casual Users • Revyu. com: a Reviewing and Rating Site for the Web of Data

Doctoral consortium • 6 papers • 6 posters • Full-day session • Each student one mentor • Invited talk by Fabio Ciravegna • Best-student paper: Katharina Reinecke: Cultural Adaptivity for the Semantic Web • Best mentor: Elena Simperl

Workshops • 7 workshops on Sunday – Ontology Matching workshop – Evaluation of Ontologies and Ontology-based tools • 6 workshops on Monday – Uncertainty Reasoning for the Semantic Web + ‘Consensus Building Workshop’

http: //om 2007. ontologymatching. org/ Ontology Matching 2007 • 8 technical papers (26 submissions, 30%) • Solving semantic ambiquity to improve semantic web based Ontology Matching – Sabou et al. – Word sense disambiguation to improve precision • Analyzing Mapping Extraction Approaches – Meilicke et al. – How to extract final alignment from a matrix of similarity values • Towards semantics-based Ontology similarity – Pinto et al. – new semantic ontology similarity measures

Ontology Matching 2007 • Ontology Mapping – a user survey – Noy et al. – Results of online user survey – User context questions, tool questions, process questions • Ontology Alignment Evaluation Initiative 2007 (OAEI) • Jérôme Euzenat et al: First Results of the Ontology Alignment Evaluation Initiative 2007 • 17 papers about systems (ASMOV, Falcon, Lily, Onto. DNA, OLA, SEMA, . . . ) • Poster session: 9 posters

Evaluation of Ontologies and Ontology-based tools http: //km. aifb. uni-karlsruhe. de/ws/eon 2007 • 7 contributions • Diverse topics – Metrics for evaluation ontologies – Semantic search engines: swoogle, Onto. Khoj, Onto. Select – Ontology summarization – Evaluation of ontology-matching systems using samples (satisfaction of user) – Evaluation with synthetic workload

Panel discussion • Moderator: Guus Schreiber • Panelists: – Carole Goble – Jim Hendler – Dieter Fensel – Abraham Bernstein – Frank van Harmelen – 5 questions

Research papers • Winner paper by FORTH-ICS: On the foundations of computing deltas between RDF models – Zeginis et al. • All contributions are on-line

Next events • ISWC 2008, Karlsruhe, Germany • ISWC 2009, Washington DC, USA