784 search results - page 22 / 157 » Histogram-based search: A comparative study |
CEC
2009
IEEE
14 years 2 months ago
2009
IEEE
— Hyper-heuristics or “heuristics to chose heuristics” are an emergent search methodology that seeks to automate the process of selecting or combining simpler heuristics in o...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
ECIR
2004
Springer
13 years 8 months ago
2004
Springer
A medium-scale user study was carried out to investigate the usability of a concept-based query expansion support tool. The tool was fully integrated into the interface of an IR sy...
AE
2007
Springer
14 years 1 months ago
2007
Springer
Classification of microarray data requires the selection of a subset of relevant genes in order to achieve good classification performance. Several genetic algorithms have been d...
FIMI
2003
13 years 8 months ago
2003
We present a performance study of the MAFIA algorithm for mining maximal frequent itemsets from a transactional database. In a thorough experimental analysis, we isolate the effec...