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» Optimization of Relational Preference Queries
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WWW
2008
ACM
14 years 10 months ago
Supporting anonymous location queries in mobile environments with privacygrid
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
Bhuvan Bamba, Ling Liu, Péter Pesti, Ting W...
ICMCS
2008
IEEE
150views Multimedia» more  ICMCS 2008»
14 years 4 months ago
Scalable video adaptation optimization using soft decision scheme
Video transmission over a heterogeneous network suffers a condition that it has required to satisfy many different constraints because of the variety limitations of client equipme...
Chia-Ho Pan, Sheng-Chieh Huang, I-Hsien Lee, Chung...
SIGMOD
2007
ACM
121views Database» more  SIGMOD 2007»
14 years 10 months ago
EaseDB: a cache-oblivious in-memory query processor
We propose to demonstrate EaseDB, the first cache-oblivious query processor for in-memory relational query processing. The cacheoblivious notion from the theory community refers t...
Bingsheng He, Yinan Li, Qiong Luo, Dongqing Yang
ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
14 years 2 months ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
SSDBM
2008
IEEE
177views Database» more  SSDBM 2008»
14 years 4 months ago
Prioritized Evaluation of Continuous Moving Queries over Streaming Locations
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
Kostas Patroumpas, Timos K. Sellis