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ENGL
2007
78views more  ENGL 2007»
15 years 6 months ago
A Method for Secure Query Processing in Mobile Databases
—A method for secure query processing in mobile databases has been presented in this paper. Mobile devices send queries to the server via point-to-point channels. The mobile data...
D. Saha, N. Chowdhury
APWEB
2010
Springer
15 years 5 months ago
Suggesting Topic-Based Query Terms as You Type
— Query term suggestion that interactively expands the queries is an indispensable technique to help users formulate high-quality queries and has attracted much attention in the ...
Ju Fan, Hao Wu, Guoliang Li, Lizhu Zhou
GIS
2005
ACM
16 years 7 months ago
Adaptive nearest neighbor queries in travel time networks
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
Wei-Shinn Ku, Roger Zimmermann, Haojun Wang, Chi-N...
WWW
2008
ACM
16 years 7 months ago
Application of bitmap index to information retrieval
To solve this problem, we devised the HS-bitmap index, which is hierarchically comprised of compressed data of summary bits. A summary bit in an upper matrix is obtained by logical...
Kengo Fujioka, Yukio Uematsu, Makoto Onizuka
ICDE
2010
IEEE
224views Database» more  ICDE 2010»
16 years 6 months ago
Probabilistic Declarative Information Extraction
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
Daisy Zhe Wang, Eirinaios Michelakis, Joseph M. He...