1832 search results - page 81 / 367 » Querying RDF Data Using A Multigraph-based Approach |
212
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SIGMOD
2000
ACM
15 years 10 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
196
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CINQ
2004
Springer
15 years 10 months ago
2004
Springer
Inductive databases (IDBs) have been proposed to afford the problem of knowledge discovery from huge databases. With an IDB the user/analyst performs a set of very different operat...
208
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WISE
2000
Springer
15 years 10 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
153
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IS
2007
15 years 6 months ago
2007
: A number of indexing techniques have been proposed in recent times for optimizing the queries on XML and other semistructured data models. Most of the semistructured models use t...
170
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...