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» Database Tuning: Principles, Experiments, and Troubleshootin...
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ICDAR
2007
IEEE
14 years 2 days ago
Using Random Forests for Handwritten Digit Recognition
In the Pattern Recognition field, growing interest has been shown in recent years for Multiple Classifier Systems and particularly for Bagging, Boosting and Random Subspaces. Th...
Simon Bernard, Sébastien Adam, Laurent Heut...
SCCC
1997
IEEE
13 years 10 months ago
Reactive Ranking for Cooperative Databases
A cooperative database allows the user to specify approximate or vague query conditions. A vague query requires the database system to rank the retrieved answers according to thei...
Berthier A. Ribeiro-Neto, Guilherme T. de Assis
EUROPAR
2004
Springer
13 years 11 months ago
OLAP Query Processing in a Database Cluster
OLAP queries are typically heavy-weight and ad-hoc thus requiring high storage capacity and processing power. In this paper, we address this problem using a database cluster which...
Alexandre A. B. Lima, Marta Mattoso, Patrick Valdu...
SIGMOD
2003
ACM
152views Database» more  SIGMOD 2003»
14 years 5 months ago
Warping Indexes with Envelope Transforms for Query by Humming
A Query by Humming system allows the user to find a song by humming part of the tune. No musical training is needed. Previous query by humming systems have not provided satisfacto...
Yunyue Zhu, Dennis Shasha
ADC
2004
Springer
132views Database» more  ADC 2004»
13 years 11 months ago
Questioning Query Expansion: An Examination of Behaviour and Parameters
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...
Bodo Billerbeck, Justin Zobel