1. Effective retrieval with distributed collections;Xu,1998
2. Prototyping an integrated information gathering system on corba;Chang;Journal of Systems and Software,2004
3. Query transformation based on semantic centrality in semantic social network;Jung;Journal of Universal Computer Science,2008
4. Gloss: text-source discovery over the internet;Gravano;ACM Transactions on Database Systems,1999
5. Approaches to collection selection and results merging for distributed information retrieval;Rasolofo,2001