151 search results - page 2 / 31 » Novelty detection based on sentence level patterns |
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Novelty detection is a difficult task, particularly at sentence level. Most of the approaches proposed in the past consist of re-ordering all sentences following their novelty sco...
TREC
2004
13 years 8 months ago
2004
In TREC 2004, IRIT modified important features of the strategy that was developed for TREC 2003. Changes include tuning parameter values, topic expansion and exploitation of sente...
ISMIS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Novelty detection in data stream mining denotes the identification of new or unknown situations in a stream of data elements flowing continuously in at rapid rate. This...
FLAIRS
2004
13 years 8 months ago
2004
We present a single-layer recurrent neural network that implements novelty detection for spatiotemporal patterns. The architecture is based on the structure of region CA3 in the h...
NIPS
2008
13 years 8 months ago
2008
Unexpected stimuli are a challenge to any machine learning algorithm. Here we identify distinct types of unexpected events, focusing on 'incongruent events' when 'g...