708 search results - page 64 / 142 » Optimizing SQL Queries over Text Databases |
PODS
2006
ACM
14 years 9 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
In the database community, work on information extraction (IE) has centered on two themes: how to effectively manage IE tasks, and how to manage the uncertainties that arise in th...
SIGMOD
2008
ACM
15 years 8 months ago
2008
ACM
Virtual machine monitors are becoming popular tools for the deployment of database management systems and other enterprise software applications. In this paper, we consider a commo...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...