1832 search results - page 70 / 367 » Querying RDF Data Using A Multigraph-based Approach |
167
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FQAS
2006
Springer
15 years 9 months ago
2006
Springer
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...
155
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BXML
2004
15 years 7 months ago
2004
: Whenever transformation of data is used to bridge the gap of different data formats, and a query is given in the destination format, query reformulation can speed up the transfor...
166
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
254
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VLDB
2006
ACM
16 years 6 months ago
2006
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
173
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BNCOD
2009
15 years 7 months ago
2009
A lot of research has been done on answering single-item queries, only a few have looked at answering multiple-item queries in data broadcast systems. The few that did, have propos...