Answering queries with useful bindings.

In information-integration systems, sources may have diverse and limited query capabilities. To obtain maximum information from these restrictive sources to answer a query, one can access sources that are not specified in the query (i.e., off-query sources). In this article, we propose a query-plann...

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Detalhes bibliográficos
Publicado no:ACM transactions on database systems. 26, 3 (2001).
Autor principal: Li, Chen
Outros Autores: Chang, Edward
Formato: Artigo
Idioma:English
Assuntos: