486 search results - page 36 / 98 » Online update of b-trees |
KDD
2010
ACM
15 years 1 months ago
2010
ACM
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
186
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VLDB
2006
ACM
15 years 10 months ago
2006
ACM
Managing large-scale time series databases has attracted significant attention in the database community recently. Related fundamental problems such as dimensionality reduction, tr...
71
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SIGMOD
2000
ACM
15 years 2 months ago
2000
ACM
Media recovery protects a database from failures of the stable medium by maintaining an extra copy of the database, called the backup, and a media recovery log. When a failure occ...
EAAI
2010
14 years 9 months ago
2010
: Qualitative trend analysis (QTA) is a process-history-based data-driven technique that works by extracting important features (trends) from the measured signals and evaluating th...
CCE
2006
14 years 9 months ago
2006
The neural network (NN) models well trained and validated by the same data may exhibit noticeably different predictabilities in applications. This is mainly due to the fact that t...