2121 search results - page 124 / 425 » Indexing Incomplete Databases |
243
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VLDB
2008
ACM
16 years 5 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
143
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EDBT
2006
ACM
16 years 5 months ago
2006
ACM
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
167
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DBISP2P
2003
Springer
15 years 10 months ago
2003
Springer
Abstract. We are witnessing a dramatic increase in the use of datacentric distributed systems such as global grid infrastructures, sensor networks, network monitoring, and various ...
152
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SSDBM
2002
IEEE
15 years 10 months ago
2002
IEEE
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
139
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SMI
2006
IEEE
15 years 11 months ago
2006
IEEE
We present a new approach for 3D model indexing and retrieval using 2D/3D shape descriptors based on silhouettes or depth-buffer images. To take into account the dispersion of inf...