421 search results - page 9 / 85 » Random Indexing using Statistical Weight Functions |
DEBU
2007
13 years 8 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
AVSS
2006
IEEE
14 years 2 months ago
2006
IEEE
This paper presents a novel method for illuminationinvariant and contrast preserving feature extraction, aimed at improving performance of tracking under complex light condition. ...
CLEF
2003
Springer
14 years 1 months ago
2003
Springer
Motivated by the hypothesis that the retrieval performance of a weighting model is independent of the language in which queries and collection are expressed, we compared the retrie...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
Traditional interactive information retrieval systems function by creating inverted lists, or term indexes. For every term in the vocabulary, a list is created that contains the d...
STOC
2003
ACM
14 years 8 months ago
2003
ACM
We describe a simple randomized construction for generating pairs of hash functions h1, h2 from a universe U to ranges V = [m] = {0, 1, . . . , m - 1} and W = [m] so that for ever...