305 search results - page 52 / 61 » CLIR Evaluation at TREC |
CIKM
2007
Springer
14 years 17 days ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
CONTEXT
2007
Springer
14 years 16 days ago
2007
Springer
Abstract. A key challenge in information retrieval is the use of contextual evidence within ad-hoc retrieval. Our contribution is particularly based on the belief that contextual r...
CIKM
2009
Springer
14 years 15 days ago
2009
Springer
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
AUSDM
2008
Springer
13 years 10 months ago
2008
Springer
Term signal is an existing text representation that depicts a term as a vector of frequencies of occurrences in a number of user-defined partitions of a document. Although term si...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
Finding biological entities (such as genes or proteins) that satisfy certain conditions from texts is an important and challenging task in biomedical information retrieval and tex...