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CVPR
2008
IEEE
15 years 23 days ago
Unsupervised discovery of visual object class hierarchies
Objects in the world can be arranged into a hierarchy based on their semantic meaning (e.g. organism ? animal ? feline ? cat). What about defining a hierarchy based on the visual ...
Josef Sivic, Bryan C. Russell, Andrew Zisserman, W...
COLING
2010
13 years 5 months ago
Paraphrase Alignment for Synonym Evidence Discovery
We describe a new unsupervised approach for synonymy discovery by aligning paraphrases in monolingual domain corpora. For that purpose, we identify phrasal terms that convey most ...
Gintare Grigonyte, João Cordeiro, Gaël...
ACL
2011
13 years 2 months ago
Which Noun Phrases Denote Which Concepts?
Resolving polysemy and synonymy is required for high-quality information extraction. We present ConceptResolver, a component for the Never-Ending Language Learner (NELL) (Carlson ...
Jayant Krishnamurthy, Tom Mitchell
ADBIS
2003
Springer
127views Database» more  ADBIS 2003»
14 years 4 months ago
Using Common Schemas for Information Extraction from Heterogeneous Web Catalogs
The Web has become the world’s largest information source. Unfortunately, the main success factor of the Web, the inherent principle of distribution and autonomy of the participa...
Richard Vlach, Wassili Kazakos
CIVR
2007
Springer
158views Image Analysis» more  CIVR 2007»
14 years 2 months ago
How many high-level concepts will fill the semantic gap in news video retrieval?
A number of researchers have been building high-level semantic concept detectors such as outdoors, face, building, etc., to help with semantic video retrieval. Using the TRECVID v...
Alexander G. Hauptmann, Rong Yan, Wei-Hao Lin