102 search results - page 16 / 21 » Boosting Unsupervised Relation Extraction by Using NER |
FLAIRS
2007
14 years 12 months ago
2007
In this paper, we focus on the ontological concept extraction and evaluation process from HTML documents. In order to improve this process, we propose an unsupervised hierarchical...
NECO
1998
14 years 9 months ago
1998
We describe a new method for performing a nonlinear form of Principal Component Analysis. By the use of integral operator kernel functions, we can e ciently compute principal comp...
121
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ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
Topic models have recently emerged as powerful tools for modeling topical trends in documents. Often the resulting topics are broad and generic, associating large groups of people...
173
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CVPR
2009
IEEE
16 years 4 months ago
2009
IEEE
In this paper, we present a systematic framework for re-cognizing realistic actions from videos “in the wild.” Such unconstrained videos are abundant in personal collections as...
COMPSAC
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper, an effective content-based visual image retrieval system is presented. This system consists of two main components: visual content extraction and indexing, and quer...