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PVLDB
2008
167views more  PVLDB 2008»
13 years 9 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
APIN
2005
92views more  APIN 2005»
13 years 10 months ago
A Hybrid Neural-Genetic Algorithm for the Frequency Assignment Problem in Satellite Communications
A hybrid Neural-Genetic algorithm (NG) is presented for the frequency assignment problem in satellite communications (FAPSC). The goal of this problem is minimizing the cochannel i...
Sancho Salcedo-Sanz, Carlos Bousoño-Calz&oa...
SIGMOD
2001
ACM
146views Database» more  SIGMOD 2001»
14 years 10 months ago
On Supporting Containment Queries in Relational Database Management Systems
Virtually all proposals for querying XML include a class of query we term "containment queries". It is also clear that in the foreseeable future, a substantial amount of...
Chun Zhang, Jeffrey F. Naughton, David J. DeWitt, ...
CN
2006
100views more  CN 2006»
13 years 10 months ago
Small-world overlay P2P networks: Construction, management and handling of dynamic flash crowds
We consider how to construct and maintain a structured overlay P2P network based on the small-world paradigm. Two main attractive properties of a small-world network are (1) a low...
Ken Y. K. Hui, John C. S. Lui, David K. Y. Yau
COMPSAC
2004
IEEE
14 years 2 months ago
Spatial Data Query Support in Peer-to-Peer Systems
Recently distributed hash table (DHT) mechanisms have been proposed to manage data in very large, structured peer-to-peer (P2P) systems. DHT algorithms provide efficient exact-mat...
Roger Zimmermann, Wei-Shinn Ku, Haojun Wang