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Semantics and Query Reformulation in Distributed Environments. Edition No. 1
VDM Publishing House, August 2010, Pages: 196
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 commonly found. Furthermore, we take into account the context of the user, of the query and of the environment as a way to enhance the overall process and to deal with information that can only be acquired on the fly.
Damires Souza obtained her PhD in Computer Science from the Federal University of Pernambuco (UFPE), Brazil. She is currently an Associate Professor at the Federal Institute of Education, Science and Technology of Paraiba (IFPB), Brazil. Her main research interests are concerned with the areas of information systems and databases.