Sciweavers

3836 search results - page 697 / 768
» Semantics of Database Transformations
Sort
View
KDD
2009
ACM
159views Data Mining» more  KDD 2009»
14 years 10 months ago
Adapting the right measures for K-means clustering
Clustering validation is a long standing challenge in the clustering literature. While many validation measures have been developed for evaluating the performance of clustering al...
Junjie Wu, Hui Xiong, Jian Chen
KDD
2007
ACM
152views Data Mining» more  KDD 2007»
14 years 10 months ago
Relational data pre-processing techniques for improved securities fraud detection
Commercial datasets are often large, relational, and dynamic. They contain many records of people, places, things, events and their interactions over time. Such datasets are rarel...
Andrew Fast, Lisa Friedland, Marc Maier, Brian Tay...
KDD
2004
ACM
210views Data Mining» more  KDD 2004»
14 years 10 months ago
Visually mining and monitoring massive time series
Moments before the launch of every space vehicle, engineering discipline specialists must make a critical go/no-go decision. The cost of a false positive, allowing a launch in spi...
Jessica Lin, Eamonn J. Keogh, Stefano Lonardi, Jef...
RECOMB
2008
Springer
14 years 10 months ago
Sorting Cancer Karyotypes by Elementary Operations
Since the discovery of the "Philadelphia chromosome" in chronic myelogenous leukemia in 1960, there is an ongoing intensive research of chromosomal aberrations in cancer....
Michal Ozery-Flato, Ron Shamir
VLDB
2007
ACM
131views Database» more  VLDB 2007»
14 years 10 months ago
Dissemination of compressed historical information in sensor networks
Sensor nodes are small devices that "measure" their environment and communicate feeds of low-level data values to a base station for further processing and archiving. Dis...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...