777 search results - page 152 / 156 » Optimization of Relational Preference Queries |
206
click to vote
VLDB
2007
ACM
16 years 2 months ago
2007
ACM
Given a set of model graphs D and a query graph q, containment search aims to find all model graphs g D such that q contains g (q g). Due to the wide adoption of graph models, f...
114
click to vote
VLDB
1992
ACM
15 years 5 months ago
1992
ACM
This paper evaluates the performance of the parallel, main-memory DBMS, PRISMA/DB. First, an architecture for parallel query execution is presented. A performance model for the ex...
101
click to vote
ISCI
2007
15 years 1 months ago
2007
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
157
click to vote
ICDAR
2011
IEEE
14 years 1 months ago
2011
IEEE
—We propose a novel scenario called “writer retrieval” consisting in the retrieval from a set of documents all those produced by the same writer. The retrieval is based on a ...
207
click to vote
ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
Entity matching (a.k.a. record linkage) plays a crucial role in integrating multiple data sources, and numerous matching solutions have been developed. However, the solutions have...