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» Optimizing Frequency Queries for Data Mining Applications
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VLDB
1998
ACM
138views Database» more  VLDB 1998»
14 years 3 days ago
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
Clara Nippl, Bernhard Mitschang
ICDE
2003
IEEE
149views Database» more  ICDE 2003»
14 years 9 months ago
Indexing Weighted-Sequences in Large Databases
We present an index structure for managing weightedsequences in large databases. A weighted-sequence is defined as a two-dimensional structure where each element in the sequence i...
Haixun Wang, Chang-Shing Perng, Wei Fan, Sanghyun ...
SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
14 years 1 months ago
Derby/S: a DBMS for sample-based query answering
Although approximate query processing is a prominent way to cope with the requirements of data analysis applications, current database systems do not provide integrated and compre...
Anja Klein, Rainer Gemulla, Philipp Rösch, Wo...
MIDDLEWARE
2005
Springer
14 years 1 months ago
Adaptive query processing in mobile environment
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
Hocine Grine, Thierry Delot, Sylvain Lecomte
ICOODB
2009
246views Database» more  ICOODB 2009»
13 years 5 months ago
Compiler Plugins Can Handle Nested Languages: AST-Level Expansion of LINQ Queries for Java
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
Miguel Garcia