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GIS
2007
ACM
16 years 7 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
SIGMOD
2005
ACM
107views Database» more  SIGMOD 2005»
16 years 6 months ago
Relational Confidence Bounds Are Easy With The Bootstrap
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...
Abhijit Pol, Chris Jermaine
154
Voted
ADBIS
2005
Springer
124views Database» more  ADBIS 2005»
16 years 6 days ago
On Modal Deductive Databases
We present a query language called MDatalog, which is an extension of Datalog for multimodal deductive databases. We define modal relational algebras and give the seminaive evalua...
Linh Anh Nguyen
VLDB
2004
ACM
263views Database» more  VLDB 2004»
16 years 10 hour ago
BilVideo Video Database Management System
A prototype video database management system, which we call BilVideo, is presented. BilVideo provides an integrated support for queries on spatio-temporal, semantic and low-level ...
Özgür Ulusoy, Ugur Güdükbay, M...
ICDE
2007
IEEE
337views Database» more  ICDE 2007»
16 years 8 months ago
The New Casper: A Privacy-Aware Location-Based Database Server
This demo presents Casper; a framework in which users entertain anonymous location-based services. Casper consists of two main components; the location anonymizer that blurs the u...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref