2674 search results - page 89 / 535 » Data Models and Query Languages for Spatial Databases |
116
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
139
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EDBT
2010
ACM
15 years 5 months ago
2010
ACM
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
VLDB
2004
ACM
15 years 7 months ago
2004
ACM
In this paper, we address the maintenance of spatial semijoin queries over continuously moving points, where points are modeled as linear functions of time. This is analogous to t...
149
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SIGMOD
2005
ACM
15 years 8 months ago
2005
ACM
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...
140
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PODS
2008
ACM
16 years 2 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...