64 search results - page 2 / 13 » Discovering and Comparing Topic Hierarchies |
ICML
2008
IEEE
14 years 5 months ago
2008
IEEE
We present an algorithm, HI-MAT (Hierarchy Induction via Models And Trajectories), that discovers MAXQ task hierarchies by applying dynamic Bayesian network models to a successful...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
The main challenge in integrating two hierarchies is determining the correspondence between the nodes and edges of each hierarchy. Traditionally, the correspondence is determined ...
AI
2008
Springer
13 years 6 months ago
2008
Springer
This paper presents a statistical model for discovering topical clusters of words in unstructured text. The model uses a hierarchical Bayesian structure and it is also able to iden...
CIKM
2011
Springer
12 years 4 months ago
2011
Springer
This paper explores correspondence and mixture topic modeling of documents tagged from two different perspectives. There has been ongoing work in topic modeling of documents with...
DEXAW
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--Statistical approaches to document content modeling typically focus either on broad topics or on discourselevel subtopics of a text. We present an analysis of the perform...