64 search results - page 5 / 13 » Discovering and Comparing Topic Hierarchies |
WSDM
2012
ACM
13 years 5 months ago
2012
ACM
Studying relationships between keyword tags on social sharing websites has become a popular topic of research, both to improve tag suggestion systems and to discover connections b...
SAINT
2005
IEEE
15 years 3 months ago
2005
IEEE
In this paper, we present Hierarchy-Based Anycast Routing (HAR), a routing protocol for collecting data over multi-hop, wireless sensor networks. The design of the protocol aims t...
POS
1987
Springer
15 years 1 months ago
1987
Springer
Conventional paging systems do not perform well with large object-oriented environments (such as Smalltalk-801 [GR83]) due to the fine granularity of objects and the persistence o...
AAAI
2010
14 years 11 months ago
2010
In this paper, we propose a generative model to automatically discover the hidden associations between topics words and opinion words. By applying those discovered hidden associat...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
Topic modeling has been a key problem for document analysis. One of the canonical approaches for topic modeling is Probabilistic Latent Semantic Indexing, which maximizes the join...