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SIGMOD
2001
ACM
104views Database» more  SIGMOD 2001»
14 years 8 months ago
Querying Multi-dimensional Data Indexed Using the Hilbert Space-filling Curve
Mapping to one-dimensional values and then using a onedimensional indexing method has been proposed as a way of indexing multi-dimensional data. Most previous related work uses th...
Jonathan K. Lawder, Peter J. H. King
EDBTW
2004
Springer
14 years 1 months ago
Query Answering in Peer-to-Peer Data Exchange Systems
The problem of answering queries posed to a peer who is a member of a peer-to-peerdataexchangesystemisstudied.Theanswershavetobeconsistentwrt to both the local semantic constraints...
Leopoldo E. Bertossi, Loreto Bravo
IMECS
2007
13 years 9 months ago
Predicting Interval Probability in Data Querying
—This paper discusses fuzzification of crisp domains into fuzzy classes providing fuzzy domains. Relationship between two fuzzy domains, Xi and Xj , is represented by a matrix, ...
Rolly Intan
SEBD
2007
114views Database» more  SEBD 2007»
13 years 9 months ago
A New Type of Metadata for Querying Data Integration Systems
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
Sonia Bergamaschi, Francesco Guerra, Mirko Orsini,...
TVCG
2008
103views more  TVCG 2008»
13 years 8 months ago
Who Votes For What? A Visual Query Language for Opinion Data
Surveys and opinion polls are extremely popular in the media, especially in the months preceding a general election. However, the available tools for analyzing poll results often r...
Geoffrey M. Draper, Richard F. Riesenfeld