2514 search results - page 59 / 503 » On the Computation of Approximations of Database Queries |
148
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SAC
1994
ACM
15 years 10 months ago
1994
ACM
In this paper, the interest of fuzzy sets and possibility theory in the context of databases is presented. It is shown that these " notions provide an homogeneous framework f...
189
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CCCG
2003
15 years 7 months ago
2003
In this paper we consider the problem of computing the closest point to the boundary of a circle among a set S of n points. We present two algorithms to solve this problem. One al...
163
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DIALM
2003
ACM
15 years 11 months ago
2003
ACM
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal D...
156
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ICIP
2004
IEEE
16 years 8 months ago
2004
IEEE
In many image or video retrieval systems, the search of similar objects in the database includes a spatial access method to a multidimensional feature space. This step is generall...
164
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...