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» Optimizing SQL Queries over Text Databases
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PODS
2010
ACM
207views Database» more  PODS 2010»
14 years 2 months ago
Understanding cardinality estimation using entropy maximization
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
Christopher Ré, Dan Suciu
ICDE
2010
IEEE
434views Database» more  ICDE 2010»
14 years 6 months ago
Progressive Result Generation for Multi-Criteria Decision Support Queries
— Multi-criteria decision support (MCDS) is crucial in many business and web applications such as web searches, B2B portals and on-line commerce. Such MCDS applications need to r...
Elke A. Rundensteiner, Venkatesh Raghavan
WWW
2007
ACM
14 years 9 months ago
Tag clouds for summarizing web search results
In this paper, we describe an application, PubCloud that uses tag clouds for the summarization of results from queries over the PubMed database of biomedical literature. PubCloud ...
Benjamin M. Good, Byron Yu-Lin Kuo, Mark D. Wilkin...
EDBT
2009
ACM
175views Database» more  EDBT 2009»
14 years 3 months ago
Towards materialized view selection for distributed databases
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
Leonardo Weiss Ferreira Chaves, Erik Buchmann, Fab...
BMCBI
2011
13 years 17 days ago
Faster Smith-Waterman database searches with inter-sequence SIMD parallelisation
Background: The Smith-Waterman algorithm for local sequence alignment is more sensitive than heuristic methods for database searching, but also more time-consuming. The fastest ap...
Torbjørn Rognes