Sciweavers

306 search results - page 48 / 62
» Spark: top-k keyword query in relational databases
Sort
View
CIKM
2007
Springer
14 years 1 months ago
ChemXSeer: a digital library and data repository for chemical kinetics
In this paper, we describe the ChemXSeer system that hosts data and scholarly articles related to chemical kinetics. Domain scientists have different needs that are not served by ...
Prasenjit Mitra, C. Lee Giles, Bingjun Sun, Ying L...
BDA
2007
13 years 9 months ago
Towards Action-Oriented Continuous Queries in Pervasive Systems
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
Yann Gripay, Frédérique Laforest, Je...
VLDB
2008
ACM
178views Database» more  VLDB 2008»
14 years 7 months ago
The Bdual-Tree: indexing moving objects by space filling curves in the dual space
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
Man Lung Yiu, Yufei Tao, Nikos Mamoulis
GIS
2009
ACM
13 years 5 months ago
LBS (k, T)-anonymity: a spatio-temporal approach to anonymity for location-based service users
We propose a location-based query anonymization technique, LBS (k,T)-anonymization, that ensures anonymity of user's query in a specific time window against what we call know...
Amirreza Masoumzadeh, James Joshi, Hassan A. Karim...
SAC
2003
ACM
14 years 27 days ago
Similar_Join: Extending DBMS with a Bio-specific Operator
Existing sequence comparison software applications lack automation, abstraction, performance, and flexibility. Users need a new way of studying and applying sequence comparisons i...
Jake Yue Chen, John V. Carlis