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CIKM
2003
Springer
15 years 11 months ago
The power-method: a comprehensive estimation technique for multi-dimensional queries
Existing estimation approaches for multi-dimensional databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Mo...
Yufei Tao, Christos Faloutsos, Dimitris Papadias
VLDB
2001
ACM
122views Database» more  VLDB 2001»
15 years 11 months ago
An Extendible Hash for Multi-Precision Similarity Querying of Image Databases
We propose multi-precision similarity matching where the image is divided into a number of subblocks, each with its associated color histogram. We present experimental results sho...
Shu Lin, M. Tamer Özsu, Vincent Oria, Raymond...
COOPIS
1997
IEEE
15 years 10 months ago
An Ontology Tool for Query Formulation in an Agent-Based Context
This paper describes how query formulation can be made simple and less complicated by using ontologies. It takes a brief look at several advantages of using ontologies in a distri...
Kuhanandha Mahalingam, Michael N. Huhns
COOPIS
1994
IEEE
15 years 10 months ago
Query-Free Information Retrieval
We introduce query-free information retrieval, a paradigm in which queries are constructed autonomously and information relevant to a user is offered without explicit request. Que...
Peter E. Hart, Jamey Graham
AAAI
2007
15 years 8 months ago
Approximate Query Answering in Locally Closed Databases
The Closed-World Assumption (CWA) on databases expresses that an atom not in the database is false. A more appropriate assumption for databases that are sound but partially incomp...
Alvaro Cortés-Calabuig, Marc Denecker, Ofer...