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SIGMOD
2000
ACM
141views Database» more  SIGMOD 2000»
15 years 6 months ago
Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
Florian Waas, César A. Galindo-Legaria
WEBDB
2010
Springer
208views Database» more  WEBDB 2010»
14 years 11 months ago
XML-Based RDF Data Management for Efficient Query Processing
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
Mo Zhou, Yuqing Wu
ICDE
2006
IEEE
147views Database» more  ICDE 2006»
15 years 8 months ago
Optimizing Multiple Queries in Distributed Data Stream Systems
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
Sangeetha Seshadri, Vibhore Kumar, Brian F. Cooper
ICDE
2006
IEEE
206views Database» more  ICDE 2006»
16 years 3 months ago
Query Co-Processing on Commodity Hardware
The rapid increase in the data volumes for the past few decades has intensified the need for high processing power for database and data mining applications. Researchers have acti...
Anastassia Ailamaki, Naga K. Govindaraju, Dinesh M...
WAIM
2004
Springer
15 years 7 months ago
Learning-Based Top-N Selection Query Evaluation over Relational Databases
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
Liang Zhu, Weiyi Meng