995 search results - page 152 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
129
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GEOINFORMATICA
2008
15 years 1 months ago
2008
Topological relationships like overlap, inside, meet, and disjoint uniquely characterize the relative position between objects in space. For a long time, they have been a focus of...
115
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...
116
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ADBIS
2010
Springer
15 years 3 months ago
2010
Springer
Abstract. To meet the new, more sophisticated needs of decision makers, a new generation of BI systems is emerging. In this paper we focus on two enabling technologies for this new...
CIKM
2005
Springer
15 years 7 months ago
2005
Springer
We examine issues in the design of fully dynamic information retrieval systems with support for instantaneous document insertions and deletions. We present one such system and dis...
120
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DAGSTUHL
2004
15 years 3 months ago
2004
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...