138 search results - page 6 / 28 » Combining concept hierarchies and statistical topic models |
SIGIR
2010
ACM
15 years 3 months ago
2010
ACM
This paper presents a novel prototype hierarchy based clustering (PHC) framework for the organization of web collections. It solves simultaneously the problem of categorizing web ...
JCDL
2009
ACM
15 years 6 months ago
2009
ACM
Recent years have seen the rise of subject-themed digital libraries, such as the NSDL pathways and the Digital Library for Earth System Education (DLESE). These libraries often ne...
ESWA
2007
14 years 11 months ago
2007
This study develops an ontology building process for extracting conceptual tags and hierarchies in textual corpus. Though humans have been creating ontologies for many years, effi...
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BIBM
2010
IEEE
14 years 9 months ago
2010
IEEE
Recently, the concept of a species containing both core and distributed genes, known as the supra- or pangenome theory, has been introduced. In this paper, we aim to develop a new ...
ICML
2006
IEEE
16 years 13 days ago
2006
IEEE
We present a unified model of what was traditionally viewed as two separate tasks: data association and intensity tracking of multiple topics over time. In the data association pa...