Sciweavers

154 search results - page 9 / 31
» Improving Automatic Video Retrieval with Semantic Concept De...
Sort
View
CIVR
2008
Springer
220views Image Analysis» more  CIVR 2008»
14 years 17 days ago
Web-based information content and its application to concept-based video retrieval
Semantic similarity between words or phrases is frequently used to find matching correlations between search queries and documents when straightforward matching of terms fails. Th...
Alexander Haubold, Apostol Natsev
SIGIR
2003
ACM
14 years 4 months ago
Text categorization by boosting automatically extracted concepts
Term-based representations of documents have found widespread use in information retrieval. However, one of the main shortcomings of such methods is that they largely disregard le...
Lijuan Cai, Thomas Hofmann
CIVR
2009
Springer
130views Image Analysis» more  CIVR 2009»
14 years 5 months ago
Exploring inter-concept relationship with context space for semantic video indexing
Semantic concept detectors are often individually and independently developed. Using peripherally related concepts for leveraging the power of joint detection, which is referred t...
Xiao-Yong Wei, Yu-Gang Jiang, Chong-Wah Ngo
ECIR
2010
Springer
14 years 6 days ago
Beyond Shot Retrieval: Searching for Broadcast News Items Using Language Models of Concepts
Current video search systems commonly return video shots as results. We believe that users may better relate to longer, semantic video units and propose a retrieval framework for n...
Robin Aly, Aiden R. Doherty, Djoerd Hiemstra, Alan...
DASFAA
2009
IEEE
96views Database» more  DASFAA 2009»
14 years 2 months ago
A Revisit of Query Expansion with Different Semantic Levels
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
Ce Zhang, Bin Cui, Gao Cong, Yu-Jing Wang