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ICASSP
2009
IEEE
14 years 3 months ago
Leveraging multiple query logs to improve language models for spoken query recognition
A voice search system requires a speech interface that can correctly recognize spoken queries uttered by users. The recognition performance strongly relies on a robust language mo...
Xiao Li, Patrick Nguyen, Geoffrey Zweig, Dan Bohus
MDM
2010
Springer
301views Communications» more  MDM 2010»
14 years 1 months ago
Query m-Invariance: Preventing Query Disclosures in Continuous Location-Based Services
Abstract—Location obfuscation using cloaking regions preserves location anonymity by hiding the true user among a set of other equally likely users. Furthermore, a cloaking regio...
Rinku Dewri, Indrakshi Ray, Indrajit Ray, Darrell ...
PVLDB
2010
89views more  PVLDB 2010»
13 years 7 months ago
Transforming Range Queries To Equivalent Box Queries To Optimize Page Access
Range queries based on L1 distance are a common type of queries in multimedia databases containing feature vectors. We propose a novel approach that transforms the feature space i...
Sakti Pramanik, Alok Watve, Chad R. Meiners, Alex ...
DASFAA
2011
IEEE
251views Database» more  DASFAA 2011»
13 years 11 days ago
Towards Web Search by Sentence Queries: Asking the Web for Query Substitutions
In this paper, we propose a method to search the Web for sentence substitutions for a given sentence query. Our method uses only lexico-syntactic patterns dynamically generated fro...
Yusuke Yamamoto, Katsumi Tanaka
EDBT
2006
ACM
127views Database» more  EDBT 2006»
14 years 9 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...