Metadata and semantics research / Miguel-Angel Sicilia -- Quality in metadata : a schema for e-commerce / Nikos Manouselis and Constantina Costopoulou -- An approach to the quality and reusability of metadata specifications for e-learning objects / Jacek Plodzien, Ewa Slemposz and Alina Slasiecka -- Evaluating authoritative sources using social networks : an insight from Wikipedia / Nikolaos Th. Korfiatis, Marios Poulos and George Bokos -- Making use of upper ontologies to foster interoperability between SKOS concept schemes / Salvador Sanchez-Alonso and Elena Garcia-Barriocanal -- Gathering meta-data and instances from object referral lists on the web / Srinivas Vadrevu [and others] -- Deflated, inflated and phantom citation counts / Peter Jacso -- Book reviews -- Guide to the professional literature
