20 search results - page 1 / 4 » Depth Estimation for Ranking Query Optimization |
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
A relational ranking query uses a scoring function to limit the results of a conventional query to a small number of the most relevant answers. The increasing popularity of this q...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
ICDE
2008
IEEE
14 years 1 months ago
2008
IEEE
Personalized PageRank, related to random walks with restarts and conductance in resistive networks, is a frequent search paradigm for graph-structured databases. While efficient ba...
DASFAA
2009
IEEE
14 years 2 months ago
2009
IEEE
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...