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IJCAI
2007
15 years 6 months ago
Locating Complex Named Entities in Web Text
Named Entity Recognition (NER) is the task of locating and classifying names in text. In previous work, NER was limited to a small number of predefined entity classes (e.g., peop...
Doug Downey, Matthew Broadhead, Oren Etzioni
DAGSTUHL
2004
15 years 6 months ago
Knowledge-Based Sampling for Subgroup Discovery
Subgroup discovery aims at finding interesting subsets of a classified example set that deviates from the overall distribution. The search is guided by a so-called utility function...
Martin Scholz
EMNLP
2006
15 years 6 months ago
Better Informed Training of Latent Syntactic Features
We study unsupervised methods for learning refinements of the nonterminals in a treebank. Following Matsuzaki et al. (2005) and Prescher (2005), we may for example split NP withou...
Markus Dreyer, Jason Eisner
ISCAPDCS
2004
15 years 6 months ago
R-Chain: A Self-Maintained Reputation Management System in P2P Networks
Trust management is a critical component in P2P file sharing systems due to the free riding and security problem. In this paper, we propose a lightweight reputation management sys...
Lintao Liu, Shu Zhang, Kyung Dong Ryu, Partha Dasg...
SPIESR
2004
196views Database» more  SPIESR 2004»
15 years 6 months ago
Automatic textual annotation of video news based on semantic visual object extraction
In this paper, we present our work for automatic generation of textual metadata based on visual content analysis of video news. We present two methods for semantic object detectio...
Nozha Boujemaa, François Fleuret, Val&eacut...