139 search results - page 27 / 28 » Bipolar Queries: An Approach and its Various Interpretations |
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
DKE
2007
13 years 7 months ago
2007
Random walk graph and Markov chain based models are used heavily in many data and system analysis domains, including web, bioinformatics, and queuing. These models enable the desc...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
In this paper we present Triplify ? a simplistic but effective approach to publish Linked Data from relational databases. Triplify is based on mapping HTTP-URI requests onto relat...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
The skyline of a d-dimensional dataset consists of all points not dominated by others. The incorporation of the skyline operator into practical database systems necessitates an ef...
HICSS
2003
IEEE
14 years 23 days ago
2003
IEEE
The discovery of sequential patterns, which extends beyond frequent item-set finding of association rule mining, has become a challenging task due to its complexity. Essentially, ...