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DOCENG
2006
ACM
15 years 3 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
14 years 10 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»
15 years 10 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 1 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 3 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