3180 search results - page 502 / 636 » Knowledge-based Document Analysis |
168
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KDD
2010
ACM
15 years 9 months ago
2010
ACM
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
145
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APN
2004
Springer
15 years 8 months ago
2004
Springer
This paper describes concepts and features of a Web-based system called XRL/flower for carrying out Petri-net based workflows described with XRL (eXchangeable Routing Language). XR...
129
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CLEF
2006
Springer
15 years 8 months ago
2006
Springer
This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology t...
151
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CIKM
2008
Springer
15 years 7 months ago
2008
Springer
Evaluation in Information Retrieval (IR) has long focused on effectiveness and efficiency. However, new and emerging access tasks now demand alternative evaluation measures which ...
147
Voted
CIKM
2008
Springer
15 years 7 months ago
2008
Springer
Automatic recognition of named entities such as people, places, organizations, books, and movies across the entire web presents a number of challenges, both of scale and scope. Da...