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ICDE
2010
IEEE
250views Database» more  ICDE 2010»
14 years 5 months ago
Optimized Query Evaluation Using Cooperative Sorts
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
Yu Cao, Ramadhana Bramandia, Chee-Yong Chan, Kian-...
SIGMOD
2007
ACM
112views Database» more  SIGMOD 2007»
14 years 7 months ago
A random walk approach to sampling hidden databases
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...
Arjun Dasgupta, Gautam Das, Heikki Mannila
SIGMOD
1990
ACM
122views Database» more  SIGMOD 1990»
13 years 11 months ago
Access Support in Object Bases
In this work access support relataons are introduced as a means for optlmizmg query processing m object-oriented database systems The general idea 1s to mamtam redundant separate ...
Alfons Kemper, Guido Moerkotte
CORIA
2006
13 years 9 months ago
Une Indexation conceptuelle pour un filtrage par dimensions
In order to resolve multi-dimentional queries, we propose a conceptual indexing based on a medical meta thesaurus (UMLS). We study the impact of this indexing compared to a words-b...
Saïd Radhouani, Loïc Maisonnasse, Joo-Hw...
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
14 years 7 months ago
GPUQP: query co-processing using graphics processors
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditiona...
Rui Fang, Bingsheng He, Mian Lu, Ke Yang, Naga K. ...