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» Querying Distributed Data in a Super-Peer Based Architecture
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BMCBI
2008
121views more  BMCBI 2008»
14 years 10 months ago
OntoDas - a tool for facilitating the construction of complex queries to the Gene Ontology
Background: Ontologies such as the Gene Ontology can enable the construction of complex queries over biological information in a conceptual way, however existing systems to do thi...
Kieran O'Neill, Alexander García Castro, An...
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
15 years 10 months ago
Sampling cube: a framework for statistical olap over sampling data
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
Xiaolei Li, Jiawei Han, Zhijun Yin, Jae-Gil Lee, Y...
87
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PODS
2008
ACM
165views Database» more  PODS 2008»
15 years 10 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
ICPPW
1999
IEEE
15 years 2 months ago
An Analysis of the Number of ICP Packets on the Distributed WWW Caching System
A distributed WWW caching system based on Internet Cache Protocol (ICP) is a system where a cache of a single proxy server is shared by others. When a proxy server receives an HTT...
Eiji Kawai, Ken-ichi Chinen, Suguru Yamaguchi, Hid...
MOBIHOC
2006
ACM
15 years 9 months ago
Data storage placement in sensor networks
Data storage has become an important issue in sensor networks as a large amount of collected data need to be archived for future information retrieval. This paper introduces stora...
Bo Sheng, Qun Li, Weizhen Mao