Sciweavers

760 search results - page 45 / 152
» Positional Language Models for Clinical Information Retrieva...
Sort
View
CIKM
2006
Springer
14 years 12 days ago
Information retrieval from relational databases using semantic queries
Relational databases are widely used today as a mechanism for providing access to structured data. They, however, are not suitable for typical information finding tasks of end use...
Anand Ranganathan, Zhen Liu
ICTIR
2009
Springer
14 years 3 months ago
Semi-parametric and Non-parametric Term Weighting for Information Retrieval
Abstract. Most of the previous research on term weighting for information retrieval has focused on developing specialized parametric term weighting functions. Examples include TF.I...
Donald Metzler, Hugo Zaragoza
CLEF
2004
Springer
14 years 2 months ago
Application of Variable Length N-Gram Vectors to Monolingual and Bilingual Information Retrieval
Our group in the Department of Informatics at the University of Oviedo has participated, for the first time, in two tasks at CLEF: monolingual (Russian) and bilingual (Spanish-to-E...
Daniel Gayo-Avello, Darío Álvarez Gu...
FGCN
2008
IEEE
130views Communications» more  FGCN 2008»
14 years 3 months ago
Word Sense Disambiguation Based on Bayes Model and Information Gain
Word sense disambiguation has always been a key problem in Natural Language Processing. In the paper, we use the method of Information Gain to calculate the weight of different po...
Zhengtao Yu, Bin Deng, Bo Hou, Lu Han, Jianyi Guo
SIGIR
2008
ACM
13 years 8 months ago
Parsimonious relevance models
We describe a method for applying parsimonious language models to re-estimate the term probabilities assigned by relevance models. We apply our method to six topic sets from test ...
Edgar Meij, Wouter Weerkamp, Krisztian Balog, Maar...