57 search results - page 5 / 12 » Topic Evolution in a Stream of Documents |
MM
2004
ACM
13 years 11 months ago
2004
ACM
News videos constitute an important source of information for tracking and documenting important events. In these videos, news stories are often accompanied by short video shots t...
KDD
2010
ACM
13 years 9 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...
ECTEL
2011
Springer
12 years 5 months ago
2011
Springer
This paper presents an adaptable system for detecting trends based on the micro-blogging service Twitter, and sets out to explore to what extent such a tool can support researchers...
BPM
2008
Springer
13 years 7 months ago
2008
Springer
Business processes can be very large and may contain several different concerns, scattered across the process and tangled with other concerns. Crosscutting concerns are difficult t...
KDD
2002
ACM
14 years 6 months ago
2002
ACM
Automated detection of the first document reporting each new event in temporally-sequenced streams of documents is an open challenge. In this paper we propose a new approach which...