LOD2 plenary meeting in Paris: presentation of WP4: State of Play (Reuse, Interlinking and Knowledge Fusion) by Robert Isele (FUB).

1. WP4Reuse, Interlinking and Knowledge Fusion

2. WP4 Reuse, Interlinking and Knowledge Fusion Goal: Schema Mapping Automatic and semi-automatic link creation Linked Data quality assessment Linked Data Fusion

3. Goal: Link discoverytools, linkingassistandworkbench Partners involved: INFAI, NUIG, FUB Existing Work: FUB: Silk INFAI: LIMES Current Work: FUB: Work on an Linking Workbench INFAI: SAIM: Machine learning of link specifications Next deliverables: T4.1 Semi-Automatic Data Interlinking

4. Goal: Unsupervisedlearningof link specifications Partners involved: NUIG Next deliverables: T4.2 Unsupervised Semi-Structured Data Linking

5. Goal: Data qualityassessmentframeworkprovidingfor a widerangeof different qualityassessmentpolicies Partners involved: FUB, NUIG, INFAI Existing Work: Survey the Art in Mapping, Quality Assessment and Data Fusion WIQA Information Quality Assessment Framework Next deliverables: T4.3: Linked Data Quality Assessment

6. Goal: Framework for publishing and discovering expressive mappings on the Web Exiting Work: Specification of the R2R Mapping Language R2R Framework forPublication, Discovery andExecutionof Schema Mappings Current Work: Update ofthelanguage Partners involved: FUB, INFAI, OPENLINK T4.4: Schema Mapping

7. Goal: Data fusioncomponentsprovidingvariousconflictresolutionstrategies Partners involved: FUB, INFAI No deliverable until 31.08.12 (Initial release of Data Fusion Component) T4.5: Linked Data Fusion

8. Existing Components for: Interlinking: Silk, LIMES Schema Mapping: R2R Quality Assesment: WIQA Currentwork on: InterlinkingWorkbench Learning Link Specifications Updating Mapping Language Conclusion