3652 search results - page 345 / 731 » A study of query length |
134
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ICDE
2005
IEEE
15 years 9 months ago
2005
IEEE
Numerous researchers have proposed to use relational databases to store and query XML documents. One important component of such systems is the XML subtree reconstruction, which r...
115
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APPROX
2005
Springer
15 years 9 months ago
2005
Springer
A string α ∈ Σn is called p-periodic, if for every i, j ∈ {1, . . . , n}, such that i ≡ j mod p, αi = αj, where αi is the i-th place of α. A string α ∈ Σn is said t...
131
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WEBDB
2005
Springer
15 years 9 months ago
2005
Springer
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
159
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FCT
2005
Springer
15 years 9 months ago
2005
Springer
We present several results on the complexity of various forms of Sperner’s Lemma in the black-box model of computing. We give a deterministic algorithm for Sperner problems over ...
143
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MM
2004
ACM
15 years 9 months ago
2004
ACM
It has been established that active learning is effective for learning complex, subjective query concepts for image retrieval. However, active learning has been applied in a conc...