2058 search results - page 308 / 412 » Trajectory pattern mining |
SAC
2004
ACM
15 years 3 months ago
2004
ACM
With the continuous evolution of the types of attacks against computer networks, traditional intrusion detection systems, based on pattern matching and static signatures, are incr...
KDD
2004
ACM
15 years 3 months ago
2004
ACM
Mark-recapture models have for many years been used to estimate the unknown sizes of animal and bird populations. In this article we adapt a finite mixture mark-recapture model i...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
Current Web search engines generally impose link analysis-based re-ranking on web-page retrieval. However, the same techniques, when applied directly to small web search such as i...
IPPS
2002
IEEE
15 years 2 months ago
2002
IEEE
Most current work in data mining assumes that the database is static, and a database update requires rediscovering all the patterns by scanning the entire old and new database. Su...
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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...