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COCOON
2009
Springer
13 years 11 months ago
On the Generalised Character Compatibility Problem for Non-branching Character Trees
In [3], the authors introduced the Generalised Character Compatibility Problem as a generalisation of the Perfect Phylogeny Problem for a set of species. This generalised problem t...
Ján Manuch, Murray Patterson, Arvind Gupta
SDM
2009
SIAM
235views Data Mining» more  SDM 2009»
14 years 2 months ago
Topic Cube: Topic Modeling for OLAP on Multidimensional Text Databases.
As the amount of textual information grows explosively in various kinds of business systems, it becomes more and more desirable to analyze both structured data records and unstruc...
ChengXiang Zhai, Duo Zhang, Jiawei Han
TMRA
2005
Springer
13 years 10 months ago
TM/XML - Topic Maps Fragments in XML
This paper describes TM/XML, an XML syntax for Topic Maps that is very close to the natural, or colloquial, XML representation of the information in the topic map. It can be used t...
Lars Marius Garshol, Dmitry Bogachev
SDM
2011
SIAM
203views Data Mining» more  SDM 2011»
12 years 8 months ago
Interpreting and Unifying Outlier Scores
Outlier scores provided by different outlier models differ widely in their meaning, range, and contrast between different outlier models and, hence, are not easily comparable o...
Hans-Peter Kriegel, Peer Kröger, Erich Schube...
ICDM
2007
IEEE
133views Data Mining» more  ICDM 2007»
13 years 11 months ago
Topical N-Grams: Phrase and Topic Discovery, with an Application to Information Retrieval
Most topic models, such as latent Dirichlet allocation, rely on the bag-of-words assumption. However, word order and phrases are often critical to capturing the meaning of text in...
Xuerui Wang, Andrew McCallum, Xing Wei