Second SWESE Workshop -- Experiences in the Design of Semantic Services Using Web Engineering Methods and Tools -- Automatic Generation and Evolution of Model Transformations Using Ontology Engineering Space -- Second International Workshop on Database Interoperability (InterDB 2006) -- The Harmony Integration Workbench -- International Workshop on Object-Role Modeling (ORM 2006) -- Using ORM-Based Models as a Foundation for a Data Quality Firewall in an Advanced Generation Data Warehouse (Extended Version) -- 15th International Conference on Knowledge Engineering and Knowledge Management – Managing Knowledge in a World of Networks (EKAW 2006) -- Discovering Groups of Sibling Terms from Web Documents with XTREEM-SG -- International Workshop on Ontology Matching (OM-2006) -- Exploring the Semantic Web as Background Knowledge for Ontology Matching -- ER 2006 Workshops -- Time-Aggregated Graphs for Modeling Spatio-temporal Networks -- An Architecture for Emergent Semantics.