234 search results - page 15 / 47 » Further reflections on TREC |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
We consider two of the most commonly cited measures of retrieval performance: average precision and R-precision. It is well known that average precision and R-precision are highly...
IJCNLP
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. In this paper, we explore the syntactic relation patterns for opendomain factoid question answering. We propose a pattern extraction method to extract the various relatio...
MM
2003
ACM
14 years 27 days ago
2003
ACM
Video information retrieval requires a system to find information relevant to a query which may be represented simultaneously in different ways through a text description, audio...
SIGIR
2003
ACM
14 years 27 days ago
2003
ACM
Soboroff, Nicholas and Cahan recently proposed a method for evaluating the performance of retrieval systems without relevance judgments. They demonstrated that the system evaluat...