Sciweavers

1523 search results - page 195 / 305
» Generalized contextualization method for XML information ret...
Sort
View
DOCENG
2006
ACM
15 years 11 months ago
NEWPAR: an automatic feature selection and weighting schema for category ranking
Category ranking provides a way to classify plain text documents into a pre-determined set of categories. This work proposes to have a look at typical document collections and ana...
Fernando Ruiz-Rico, José Luis Vicedo Gonz&a...
SIGIR
2008
ACM
15 years 5 months ago
Asymmetric distance estimation with sketches for similarity search in high-dimensional spaces
Efficient similarity search in high-dimensional spaces is important to content-based retrieval systems. Recent studies have shown that sketches can effectively approximate L1 dist...
Wei Dong, Moses Charikar, Kai Li
SIGMOD
2007
ACM
192views Database» more  SIGMOD 2007»
16 years 5 months ago
Benchmarking declarative approximate selection predicates
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...
Amit Chandel, Oktie Hassanzadeh, Nick Koudas, Moha...
SIGIR
2010
ACM
15 years 9 months ago
Positional relevance model for pseudo-relevance feedback
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
Yuanhua Lv, ChengXiang Zhai
CCS
2004
ACM
15 years 11 months ago
Attacking and repairing the winZip encryption scheme
WinZip is a popular compression utility for Microsoft Windows computers, the latest version of which is advertised as having “easy-to-use AES encryption to protect your sensitiv...
Tadayoshi Kohno