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» Optimizing recursive queries in SQL
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ICDE
2007
IEEE
107views Database» more  ICDE 2007»
14 years 7 months ago
Robust Heuristics for Scalable Optimization of Complex SQL Queries
Gopal Chandra Das, Jayant R. Haritsa
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 6 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
ER
2004
Springer
144views Database» more  ER 2004»
13 years 11 months ago
Expressing and Optimizing Similarity-Based Queries in SQL
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...
Like Gao, Min Wang, Xiaoyang Sean Wang, Sriram Pad...
VLDB
2002
ACM
151views Database» more  VLDB 2002»
13 years 5 months ago
Preference SQL - Design, Implementation, Experiences
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
Werner Kießling, Gerhard Köstler
ICDE
2008
IEEE
127views Database» more  ICDE 2008»
14 years 7 months ago
Optimizing SQL Queries over Text Databases
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
Alpa Jain, AnHai Doan, Luis Gravano