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PODS
1998
ACM
152views Database» more  PODS 1998»
15 years 8 months ago
A Cost Model for Similarity Queries in Metric Spaces
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
Paolo Ciaccia, Marco Patella, Pavel Zezula
HPCC
2007
Springer
15 years 10 months ago
Optimizing Performance of Automatic Training Phase for Application Performance Prediction in the Grid
Abstract. Automatic execution time prediction of the Grid applications plays a critical role in making the pervasive Grid more reliable and predictable. However, automatic executio...
Farrukh Nadeem, Radu Prodan, Thomas Fahringer
COLING
2002
15 years 4 months ago
Searching the Web by Voice
Spoken queries are a natural medium for searching the Web in settings where typing on a keyboard is not practical. This paper describes a speech interface to the Google search eng...
Alexander Franz, Brian Milch
WWW
2008
ACM
15 years 4 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou
SIGIR
2008
ACM
15 years 4 months ago
A unified and discriminative model for query refinement
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
Jiafeng Guo, Gu Xu, Hang Li, Xueqi Cheng