641 search results - page 41 / 129 » Studying Query Expansion Effectiveness |
IR
2007
13 years 7 months ago
2007
Word form normalization through lemmatization or stemming is a standard procedure in information retrieval because morphological variation needs to be accounted for and several la...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- This paper introduces a deterministic approximation algorithm with error guarantees for computing the probability of propositional formulas over discrete random variable...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
ECIR
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
HICSS
1996
IEEE
13 years 12 months ago
1996
IEEE
The recent enormous increase in the use of networked information access and on-line databases has led to more databases being available in languages other than English. The Center...