230 search results - page 36 / 46 » A ranking approach to keyphrase extraction |
JCDL
2010
ACM
14 years 23 days ago
2010
ACM
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
EPIA
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Robots need to ground their external vocabulary and internal symbols in observations of the world. In recent works, this problem has been approached through combinations ...
PAMI
2006
13 years 7 months ago
2006
This paper presents the semantic pathfinder architecture for generic indexing of multimedia archives. The semantic pathfinder extracts semantic concepts from video by exploring dif...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
We describe a method for improving the precision of metasearch results based upon scoring the visual features of documents' surrogate representations. These surrogate scores ...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Current search engines do not support user searches for chemical entities (chemical names and formulae) beyond simple keyword searches. Usually a chemical molecule can be represen...