500 search results - page 7 / 100 » Document frequency and term specificity |
SIGIR
2011
ACM
13 years 1 months ago
2011
ACM
We reveal that the Okapi BM25 retrieval function tends to overly penalize very long documents. To address this problem, we present a simple yet effective extension of BM25, namel...
LREC
2008
14 years 10 days ago
2008
We have performed a set of experiments made to investigate the utility of morphological analysis to improve retrieval of documents written in languages with relatively large morph...
AUSDM
2008
Springer
14 years 27 days ago
2008
Springer
Term signal is an existing text representation that depicts a term as a vector of frequencies of occurrences in a number of user-defined partitions of a document. Although term si...
LREC
2008
14 years 9 days ago
2008
Existing techniques extract term candidates by looking for internal and contextual information associated with domain specific terms. The algorithms always face the dilemma that f...
EMNLP
2008
14 years 10 days ago
2008
We introduce the relative rank differential statistic which is a non-parametric approach to document and dialog analysis based on word frequency rank-statistics. We also present a...