454 search results - page 44 / 91 » SPARQL Query Processing with Conventional Relational Databas... |
ICDT
2007
ACM
15 years 5 months ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
EDBT
2004
ACM
15 years 11 months ago
2004
ACM
Abstract. The paper discusses the design and prototype implementation of a QoS-aware multimedia database system. Recent research in multimedia databases has devoted little attentio...
CIDR
2007
15 years 17 days ago
2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
113
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ADBIS
2007
Springer
15 years 3 months ago
2007
Springer
Query mapping to aggregation lattices is used in order to exploit sub-cube dependencies in multidimensional databases. It is employed in mobile OLAP dissemination systems, in order...
177
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...