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WSDM
2009
ACM
14 years 4 months ago
2009
ACM
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...
JCDL
2009
ACM
14 years 4 months ago
2009
ACM
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
AUSDM
2008
Springer
13 years 11 months ago
2008
Springer
Term signal is an existing text representation that depicts a term as a vector of frequencies of occurrences in a number of user-defined partitions of a document. Although term si...
BIS
2007
13 years 11 months ago
2007
Business intelligence requires the collecting and merging of information from many different sources, both structured and unstructured, in order to analyse for example financial ...
SDM
2008
SIAM
13 years 11 months ago
2008
SIAM
Although clustering under constraints is a current research topic, a hierarchical setting, in which a hierarchy of clusters is the goal, is usually not considered. This paper trie...