Sciweavers

224 search results - page 15 / 45
» Semi-parametric and Non-parametric Term Weighting for Inform...
Sort
View
TREC
2007
13 years 9 months ago
University of Glasgow at TREC 2007: Experiments in Blog and Enterprise Tracks with Terrier
In TREC 2007, we participate in four tasks of the Blog and Enterprise tracks. We continue experiments using Terrier1 [14], our modular and scalable Information Retrieval (IR) plat...
David Hannah, Craig Macdonald, Jie Peng, Ben He, I...
SIGIR
2004
ACM
14 years 1 months ago
A formal study of information retrieval heuristics
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...
Hui Fang, Tao Tao, ChengXiang Zhai
AIRS
2004
Springer
14 years 1 months ago
X-IOTA: An Open XML Framework for IR Experimentation
Carrying out experiments in Information Retrieval is a heavy activity requiring fast tools to treat collections of significant size, and at the same time flexible tools to leave...
Jean-Pierre Chevallet
ECIR
2007
Springer
13 years 9 months ago
Multinomial Randomness Models for Retrieval with Document Fields
Document fields, such as the title or the headings of a document, offer a way to consider the structure of documents for retrieval. Most of the proposed approaches in the literatu...
Vassilis Plachouras, Iadh Ounis
SIGIR
2004
ACM
14 years 1 months ago
Configurable indexing and ranking for XML information retrieval
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...
Shaorong Liu, Qinghua Zou, Wesley W. Chu