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104
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DLOG
2010
15 years 19 days ago
Query Algebra and Query Optimization for Concept Assertion Retrieval
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...
Jeffrey Pound, David Toman, Grant E. Weddell, Jiew...
261
Voted
ICDE
2008
IEEE
182views Database» more  ICDE 2008»
16 years 4 months ago
SpaceTwist: Managing the Trade-Offs Among Location Privacy, Query Performance, and Query Accuracy in Mobile Services
In a mobile service scenario, users query a server for nearby points of interest but they may not want to disclose their locations to the service. Intuitively, location privacy may...
Man Lung Yiu, Christian S. Jensen, Xuegang Huang, ...
P2P
2008
IEEE
135views Communications» more  P2P 2008»
15 years 9 months ago
Popularity-Aware Prefetch in P2P Range Caching
Unstructured peer-to-peer infrastructure has been widely employed to support large-scale distributed applications. Many of these applications, such as locationbased services and m...
Qiang Wang, Khuzaima Daudjee, M. Tamer Özsu
ICEIS
2009
IEEE
15 years 9 months ago
Relaxing XML Preference Queries for Cooperative Retrieval
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
SungRan Cho, Wolf-Tilo Balke
147
Voted
CIDR
2009
133views Algorithms» more  CIDR 2009»
15 years 3 months ago
Principles for Inconsistency
Data consistency is very desirable because strong semantic properties make it easier to write correct programs that perform as users expect. However, there are good reasons why co...
Shel Finkelstein, Dean Jacobs, Rainer Brendle