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» Entropy Numbers, Operators and Support Vector Kernels
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CIKM
2006
Springer
13 years 11 months ago
Coupling feature selection and machine learning methods for navigational query identification
It is important yet hard to identify navigational queries in Web search due to a lack of sufficient information in Web queries, which are typically very short. In this paper we st...
Yumao Lu, Fuchun Peng, Xin Li, Nawaaz Ahmed
CTRSA
2009
Springer
128views Cryptology» more  CTRSA 2009»
14 years 2 months ago
Short Redactable Signatures Using Random Trees
Abstract. A redactable signature scheme for a string of objects supports verification even if multiple substrings are removed from the original string. It is important that the re...
Ee-Chien Chang, Chee Liang Lim, Jia Xu
ISM
2006
IEEE
138views Multimedia» more  ISM 2006»
13 years 7 months ago
Similarity Search Using Sparse Pivots for Efficient Multimedia Information Retrieval
Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, ca...
Nieves R. Brisaboa, Antonio Fariña, Oscar P...
SOFSEM
2007
Springer
14 years 1 months ago
Spatial Selection of Sparse Pivots for Similarity Search in Metric Spaces
Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, ca...
Oscar Pedreira, Nieves R. Brisaboa
VLSISP
2008
173views more  VLSISP 2008»
13 years 7 months ago
Fast Bit Gather, Bit Scatter and Bit Permutation Instructions for Commodity Microprocessors
Advanced bit manipulation operations are not efficiently supported by commodity word-oriented microprocessors. Programming tricks are typically devised to shorten the long sequence...
Yedidya Hilewitz, Ruby B. Lee