LInked Data Services (LIDS) denote the integration of data providing services and Linked Data. Linked Data Services can be used to open up data silos to the Web of Data. LIDS define interface conventions that are compatible to Linked Data principles and are defined by lightweight formal model that enables the automatic creation of LIDS interfaces and the automatic integration of links to LIDS in existing data sets.
DBpedia is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to make sophisticated queries against Wikipedia, and to link other data sets on the Web to Wikipedia data.
M. Dowman, V. Tablan, H. Cunningham, and B. Popov. Proceedings of the 14th International World Wide Web Conference, Chiba, Japan, (2005)http://gate.ac.uk/sale/www05/web-assisted-annotation.pdf