167 search results - page 23 / 34 » Power Hints for Query Optimization |
WWW
2005
ACM
14 years 9 months ago
2005
ACM
Many modern natural language-processing applications utilize search engines to locate large numbers of Web documents or to compute statistics over the Web corpus. Yet Web search e...
PODS
2009
ACM
14 years 9 months ago
2009
ACM
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...
ICALP
2005
Springer
14 years 2 months ago
2005
Springer
We consider the problem of testing the commutativity of a black-box group specified by its k generators. The complexity (in terms of k) of this problem was first considered by Pa...
ESWS
2008
Springer
13 years 10 months ago
2008
Springer
A fundamental problem related to graph structured databases is searching for substructures. One issue with respect to optimizing such searches is the ability to estimate the freque...
ICLP
2010
Springer
14 years 10 days ago
2010
Springer
Abstract. Answer set programming (ASP) is a powerful formalism for knowledge representation and common sense reasoning that allows disjunction in rule heads and nonmonotonic negati...