551 search results - page 40 / 111 » Performance evaluation of relevance feedback methods |
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
We present a model, based on the maximum entropy method, for analyzing various measures of retrieval performance such as average precision, R-precision, and precision-at-cutoffs....
EDBT
1998
ACM
14 years 1 months ago
1998
ACM
Efficient evaluation of similarity queries is one of the basic requirements for advanced multimedia applications. In this paper, we consider the relevant case where complex similar...
SIGIR
2003
ACM
14 years 2 months ago
2003
ACM
The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
APWEB
2009
Springer
14 years 29 days ago
2009
Springer
We present a new method to evaluate a search ontology, which relies on mapping ontology instances to textual documents. On the basis of this mapping, we evaluate the adequacy of on...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Although information retrieval research has always been concerned with improving the effectiveness of search, in some applications, such as information analysis, a more specific ...