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EDBT
2012
ACM
214views Database» more  EDBT 2012»
11 years 10 months ago
An optimization framework for map-reduce queries
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
Leonidas Fegaras, Chengkai Li, Upa Gupta
DAGSTUHL
2003
13 years 8 months ago
Logical Languages for Data Mining
Data mining focuses on the development of methods and algorithms for such tasks as classification, clustering, rule induction, and discovery of associations. In the database fiel...
Fosca Giannotti, Giuseppe Manco, Jef Wijsen
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
14 years 7 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
SAC
2010
ACM
14 years 2 months ago
Inductive reasoning and semantic web search
Extensive research activities are recently directed towards the Semantic Web as a future form of the Web. Consequently, Web search as the key technology of the Web is evolving tow...
Claudia d'Amato, Floriana Esposito, Nicola Fanizzi...
DOLAP
2005
ACM
13 years 9 months ago
Modeling, querying and reasoning about OLAP databases: a functional approach
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
Ken Q. Pu