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» Just-In-Time Processing of Continuous Queries
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OTM
2007
Springer
14 years 1 months ago
Processing Location-Dependent Queries with Location Granules
Existing approaches for the processing of location-dependent queries implicitly assume location data expressed at maximum precision (e.g., GPS). However, there exist applications w...
Sergio Ilarri, Eduardo Mena, Carlos Bobed
VLDB
2006
ACM
490views Database» more  VLDB 2006»
15 years 7 months ago
The New Casper: Query Processing for Location Services without Compromising Privacy
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref
EDBT
2004
ACM
122views Database» more  EDBT 2004»
14 years 7 months ago
Sketch-Based Multi-query Processing over Data Streams
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
Alin Dobra, Minos N. Garofalakis, Johannes Gehrke,...
JUCS
2010
152views more  JUCS 2010»
13 years 2 months ago
Compositional Semantics of Dataflow Networks with Query-Driven Communication of Exact Values
: We develop and study the concept of dataflow process networks as used for example by Kahn to suit exact computation over data types related to real numbers, such as continuous fu...
Michal Konecný, Amin Farjudian
DASFAA
2007
IEEE
151views Database» more  DASFAA 2007»
13 years 9 months ago
The Tornado Model: Uncertainty Model for Continuously Changing Data
To support emerging database applications that deal with continuously changing (or moving) data objects (CCDOs), such as vehicles, RFIDs, and multi-stimuli sensors, one requires an...
Byunggu Yu, Seon Ho Kim, Shayma Alkobaisi, Wan D. ...