Semantics and Query Reformulation in Distributed Environments
Damires Souza
Broschiertes Buch

Semantics and Query Reformulation in Distributed Environments

Using Semantics to Enhance Query Reformulation in Dynamic Distributed Environments

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Query answering has been addressed as a key issue in dynamic distributed environments. An important step in this process is reformulating a query posed at a peer into a new query expressed in terms of a target peer, considering existing correspondences between them. In this book, we present a semantic-based approach, named SemRef, which brings together both query enrichment and query reformulation techniques in order to provide users with a set of expanded answers. To this end, we make use of semantics which is mainly acquired from a set of semantic correspondences that extend the ones commonl...