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» Systems Support for Pervasive Query Processing
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PERCOM
2008
ACM
13 years 7 months ago
Peer-to-Peer Context Reasoning in Pervasive Computing Environments
In this paper, we propose a peer-to-peer approach to derive and obtain additional context data from lowlevel context data that may be spread over multiple domains in pervasive com...
Tao Gu, Hung Keng Pung, Daqing Zhang
MMDB
2003
ACM
178views Multimedia» more  MMDB 2003»
14 years 26 days ago
Video query processing in the VDBMS testbed for video database research
The increased use of video data sets for multimedia-based applications has created a demand for strong video database support, including efficient methods for handling the content...
Walid G. Aref, Moustafa A. Hammad, Ann Christine C...
IDEAS
1997
IEEE
107views Database» more  IDEAS 1997»
13 years 11 months ago
Query Processing in the ROL system
The ROL system is a novel deductive object-oriented database system that has been implemented at the University of Regina. It provides a uniform rule-based declarative language fo...
Mengchi Liu, Weidong Yu
IJSWIS
2008
100views more  IJSWIS 2008»
13 years 7 months ago
Semantic-Based Bluetooth-RFID Interaction for Advanced Resource Discovery in Pervasive Contexts
We propose a novel object discovery framework integrating the application layer of Bluetooth and RFID standards. The approach is motivated and illustrated in an innovative u-comme...
Tommaso Di Noia, Eugenio Di Sciascio, Francesco M....
SIGMOD
2006
ACM
110views Database» more  SIGMOD 2006»
14 years 7 months ago
Supporting ad-hoc ranking aggregates
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas