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» Speed Up Queries in Unstructured Peer-to-Peer Networks
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VLDB
2002
ACM
157views Database» more  VLDB 2002»
14 years 7 months ago
A formal perspective on the view selection problem
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
Rada Chirkova, Alon Y. Halevy, Dan Suciu
DASFAA
2005
IEEE
106views Database» more  DASFAA 2005»
14 years 16 days ago
Real Datasets for File-Sharing Peer-to-Peer Systems
The fundamental drawback of unstructured peer-to-peer (P2P) networks is the flooding-based query processing protocol that seriously limits their scalability. As a result, a signiï...
Shen-Tat Goh, Panos Kalnis, Spiridon Bakiras, Kian...
SIGMOD
2005
ACM
220views Database» more  SIGMOD 2005»
14 years 7 months ago
Sampling Algorithms in a Stream Operator
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
Theodore Johnson, S. Muthukrishnan, Irina Rozenbau...
DASFAA
2010
IEEE
224views Database» more  DASFAA 2010»
14 years 1 days ago
Dynamic Skyline Queries in Large Graphs
Given a set of query points, a dynamic skyline query reports all data points that are not dominated by other data points according to the distances between data points and query po...
Lei Zou, Lei Chen 0002, M. Tamer Özsu, Dongya...
ICDE
2011
IEEE
272views Database» more  ICDE 2011»
12 years 10 months ago
A continuous query system for dynamic route planning
—In this paper, we address the problem of answering continuous route planning queries over a road network, in the presence of updates to the delay (cost) estimates of links. A si...
Nirmesh Malviya, Samuel Madden, Arnab Bhattacharya