728 search results - page 31 / 146 » A High Precision Information Retrieval Method for WiQA |
IJCAI
1997
14 years 11 months ago
1997
A semi-structured information space consists of multiple collections of textual documents containing fielded or tagged sections. The space can be highly heterogeneous, because eac...
165
click to vote
CIVR
2010
Springer
15 years 1 months ago
2010
Springer
The human face is one of the most important objects in videos since it provides rich information for spotting certain people of interest, such as government leaders in news video,...
TKDE
2010
14 years 8 months ago
2010
—Probabilistic topic models were originally developed and utilised for document modeling and topic extraction in Information Retrieval. In this paper we describe a new approach f...
104
click to vote
CIVR
2007
Springer
15 years 1 months ago
2007
Springer
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...
CIKM
2000
Springer
15 years 2 months ago
2000
Springer
This paper presents a system that retrieves descriptive phrases of proper nouns from free text. Sentences holding the specified noun are ranked using a technique based on pattern ...