96 search results - page 1 / 20 » Exploiting external knowledge to improve video retrieval |
MIR
2010
ACM
13 years 11 months ago
2010
ACM
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
EMNLP
2007
13 years 6 months ago
2007
We explore the use of Wikipedia as external knowledge to improve named entity recognition (NER). Our method retrieves the corresponding Wikipedia entry for each candidate word seq...
AIIA
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Improving accuracy in Information Retrieval tasks via semantic information is a complex problem characterized by three main aspects: the document representation model, th...
KDD
2009
ACM
14 years 5 months ago
2009
ACM
In traditional text clustering methods, documents are represented as "bags of words" without considering the semantic information of each document. For instance, if two ...
IRFC
2011
Springer
12 years 8 months ago
2011
Springer
This paper presents Multilingual Document Clustering (MDC) on comparable corpora. Wikipedia, a structured multilingual knowledge base, has been highly exploited in many monolingual...