1170 search results - page 147 / 234 » Retrieval effectiveness of an ontology-based model for infor... |
KDD
2009
ACM
14 years 13 days ago
2009
ACM
We develop and evaluate an approach to causal modeling based on time series data, collectively referred to as“grouped graphical Granger modeling methods.” Graphical Granger mo...
CSMR
2008
IEEE
14 years 2 months ago
2008
IEEE
Software engineers think about an existing software system in terms of high-level models. The high-level models are translated to source code and the concepts represented in these...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
Multinomial distributions over words are frequently used to model topics in text collections. A common, major challenge in applying all such topic models to any text mining proble...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Contextual text mining is concerned with extracting topical themes from a text collection with context information (e.g., time and location) and comparing/analyzing the variations...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Topic tracking is complicated when the stories in the stream occur in multiple languages. Typically, researchers have trained only English topic models because the training storie...