342 search results - page 47 / 69 » Branch-and-bound processing of ranked queries |
GG
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. In the context of graph transformation we look at the operation of switching, which can be viewed as an elegant method for realizing global transformations of (group-labe...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
ICSM
2003
IEEE
14 years 3 months ago
2003
IEEE
This paper is a summary of the author’s thesis that presents a model and an environment for recovering the high level design of legacy software systems based on user defined ar...
SIGIR
2010
ACM
14 years 1 months ago
2010
ACM
In this paper, we present a novel image search system, image search by concept map. This system enables users to indicate not only what semantic concepts are expected to appear bu...
EDBT
2010
ACM
13 years 12 months ago
2010
ACM
Keyword-based search in relational databases allows users to discover relevant information without knowing the database schema or using complicated queries. However, such searches...