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» A performance evaluation of local descriptors
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SIGIR
2008
ACM
14 years 9 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
TOPLAS
2008
138views more  TOPLAS 2008»
14 years 9 months ago
Decomposing bytecode verification by abstract interpretation
act Interpretation C. BERNARDESCHI, N. DE FRANCESCO, G. LETTIERI, L. MARTINI, and P. MASCI Universit`a di Pisa Bytecode verification is a key point in the security chain of the Jav...
Cinzia Bernardeschi, Nicoletta De Francesco, Giuse...
SIGIR
2002
ACM
14 years 9 months ago
Empirical studies in strategies for Arabic retrieval
This work evaluates a few search strategies for Arabic monolingual and cross-lingual retrieval, using the TREC Arabic corpus as the test-bed. The release by NIST in 2001 of an Ara...
Jinxi Xu, Alexander Fraser, Ralph M. Weischedel
SIGIR
2002
ACM
14 years 9 months ago
Two-stage language models for information retrieval
The optimal settings of retrieval parameters often depend on both the document collection and the query, and are usually found through empirical tuning. In this paper, we propose ...
ChengXiang Zhai, John D. Lafferty
SAC
2008
ACM
14 years 9 months ago
Knowledge-based semantic clustering
Users of the web are increasingly interested in tracking the appearance of new postings rather than locating existing knowledge. Coupled with this is the emergence of the Web 2.0 ...
John Keeney, Dominic Jones, Dominik Roblek, David ...