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» Locality of Queries and Transformations
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VLDB
2004
ACM
127views Database» more  VLDB 2004»
16 years 4 months ago
Querying high-dimensional data in single-dimensional space
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
Cui Yu, Stéphane Bressan, Beng Chin Ooi, Kian-Lee...
ICDE
2009
IEEE
160views Database» more  ICDE 2009»
15 years 2 months ago
Perm: Processing Provenance and Data on the Same Data Model through Query Rewriting
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
Boris Glavic, Gustavo Alonso
GG
2010
Springer
15 years 3 months ago
Formal Analysis of Functional Behaviour for Model Transformations Based on Triple Graph Grammars
Abstract. Triple Graph Grammars (TGGs) are a well-established concept for the specification of model transformations. In previous work we have formalized and analyzed already cruc...
Frank Hermann, Hartmut Ehrig, Fernando Orejas, Ulr...
WWW
2008
ACM
16 years 5 months ago
Analysis of geographic queries in a search engine log
Geography is becoming increasingly important in web search. Search engines can often return better results to users by analyzing features such as user location or geographic terms...
Qingqing Gan, Josh Attenberg, Alexander Markowetz,...
PKDD
1998
Springer
123views Data Mining» more  PKDD 1998»
15 years 8 months ago
Querying Inductive Databases: A Case Study on the MINE RULE Operator
Knowledge discovery in databases (KDD) is a process that can include steps like forming the data set, data transformations, discovery of patterns, searching for exceptions to a pat...
Jean-François Boulicaut, Mika Klemettinen, ...