2479 search results - page 339 / 496 » Quantum complexity theory |
166
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KDD
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we consider a novel scheme referred to as Cartesian contour to concisely represent the collection of frequent itemsets. Different from the existing works, this sche...
157
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LATA
2009
Springer
16 years 1 months ago
2009
Springer
We show that fixed membership testing for many interesting subclasses of multi-pushdown machines is no harder than for pushdowns with single stack. The models we consider are MVPA...
161
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LATA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Gene trees are leaf-labeled trees inferred from molecular sequences. Due to duplication events arising in genome evolution, gene trees usually have multiple copies of som...
175
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LATA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. We consider policies that are described by regular expressions, finite automata, or formulae of linear temporal logic (LTL). Such policies are assumed to describe situat...
153
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ICDM
2009
IEEE
16 years 1 months ago
2009
IEEE
—We are now living in a world where information is growing and updating quickly. Knowledge can be acquired more efficiently with the help of automatic document summarization and...