428 search results - page 35 / 86 » Completeness of a Fact Extractor |
SIGIR
2004
ACM
15 years 5 months ago
2004
ACM
This paper examines whether the Cranfield evaluation methodology is robust to gross violations of the completeness assumption (i.e., the assumption that all relevant documents wi...
107
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ICDT
2001
ACM
15 years 4 months ago
2001
ACM
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
CAIP
1999
Springer
15 years 4 months ago
1999
Springer
Abstract. In this article, we deal with fast algorithms for the quaternionic Fourier transform (QFT). Our aim is to give a guideline for choosing algorithms in practical cases. Hen...
122
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FC
1999
Springer
15 years 4 months ago
1999
Springer
Abstract. Anonymity features of electronic payment systems are important for protecting privacy in an electronic world. However, complete anonymity prevents monitoring financial t...
COCO
1989
Springer
15 years 3 months ago
1989
Springer
Kadin [6] showed that if the Polynomial Hierarchy (PH) has infinitely many levels, then for all k, PSAT[k] ⊂ PSAT[k+1]. This paper extends Kadin’s technique and shows that a p...