368 search results - page 31 / 74 » Efficient exploitation of similar subexpressions for query p... |
KDD
2001
ACM
14 years 9 months ago
2001
ACM
We present a generalization of frequent itemsets allowing the notion of errors in the itemset definition. We motivate the problem and present an efficient algorithm that identifie...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
In this paper, we evaluate and investigate two main types of relevance feedback algorithms; the Euclidean and the correlation?based approaches. In the first case, we examine heuri...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
: This work describes a method for processing XPath on a relational back-end that significantly limits the number of SQL joins required, takes advantage of the strengths of modern ...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
ConQueSt is a constraint-based querying system devised with the aim of supporting the intrinsically exploratory nature of pattern discovery. It provides users with an expressive c...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
We consider the problem of speeding up Entity Recognition systems that exploit existing large databases of structured entities to improve extraction accuracy. These systems requir...