315 search results - page 5 / 63 » An Overview of Query Optimization in Relational Systems |
TREC
2003
13 years 8 months ago
2003
The robust retrieval track is a new track in TREC 2003. The goal of the track is to improve the consistency of retrieval technology by focusing on poorly performing topics. In add...
PODS
2000
ACM
13 years 12 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
XSYM
2004
Springer
14 years 24 days ago
2004
Springer
Due to their numerous benefits, relational systems play a major role in storing XML documents. XML also benefits relational systems by providing a means to publish legacy relatio...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
PODS
2002
ACM
14 years 7 months ago
2002
ACM
In this overview paper we motivate the need for and research issues arising from a new model of data processing. In this model, data does not take the form of persistent relations...