4616 search results - page 231 / 924 » Beyond relational databases |
226
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
199
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ICDT
2007
ACM
16 years 23 days ago
2007
ACM
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
187
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DIS
2004
Springer
16 years 4 hour ago
2004
Springer
Abstract. In this paper, we consider 0/1 databases and provide an alternative way of extracting knowledge from such databases using tiles. A tile is a region in the database consis...
180
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VISUAL
1999
Springer
15 years 11 months ago
1999
Springer
In this paper we propose a new General Image DataBase (GIDB) model. The model establishes taxonomy based on the systematisation of existing approaches. The GIDB model is based on t...
193
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VLDB
1993
ACM
15 years 10 months ago
1993
ACM
Object-oriented databases are a recent and important development and many studies of them have been performed. These consider aspects such as data modeling, query languages, perfo...