2041 search results - page 322 / 409 » Data mining for activity extraction in video data |
KDD
2003
ACM
14 years 9 months ago
2003
ACM
Finding effective methods for developing an ensemble of models has been an active research area of large-scale data mining in recent years. Models learned from data are often subj...
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
Cluster analysis is a primary method for database mining. It is either used as a stand-alone tool to get insight into the distribution of a data set, e.g. to focus further analysi...
GIS
2010
ACM
13 years 7 months ago
2010
ACM
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Data security is a critical issue for many organizations. Sensitive data must be protected from both inside and outside attackers. Access control policies and related mechanisms h...
ACL
2004
13 years 10 months ago
2004
In this paper we present a methodology for extracting subcategorisation frames based on an automatic LFG f-structure annotation algorithm Penn-II Treebank. We extract abstract syn...