4084 search results - page 129 / 817 » Constraints in spatial structures |
148
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VLDB
1999
ACM
15 years 9 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
296
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ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
144
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SSWMC
2004
15 years 6 months ago
2004
In this paper, we present a new method for estimating the secret message length of bit-streams embedded using the Least Significant Bit embedding (LSB) at random pixel positions. ...
136
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TKDE
2002
15 years 4 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
155
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ER
1999
Springer
15 years 9 months ago
1999
Springer
Abstract. In this paper, we present the complete classification of recursive relationships and the criteria that contribute to the structural validity of modeling recursive relatio...