2850 search results - page 185 / 570 » Answering Queries using Humans, Algorithms and Databases |
131
Voted
VLDB
1998
ACM
15 years 7 months ago
1998
ACM
Query optimizers normally compile queries into one optimal plan by assuming complete knowledge of all cost parameters such asselectivity and resourceavailability. The execution of...
107
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
Structural indices play a significant role in improving the efficiency of XML query evaluation. Being able to compare various structural indexing techniques is critical for a DBM...
116
Voted
CIKM
2003
Springer
15 years 8 months ago
2003
Springer
The research proposed here concentrates on the problem of designing and developing a spoken query retrieval (SQR) system to access large document databases via voice. The main cha...
238
Voted
GIS
2005
ACM
16 years 4 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
133
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EDBT
2002
ACM
16 years 3 months ago
2002
ACM
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...