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» Representing and Querying Data Transformations
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SIGMOD
2011
ACM
221views Database» more  SIGMOD 2011»
14 years 4 months ago
Scalable query rewriting: a graph-based approach
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
George Konstantinidis, José Luis Ambite
ENGL
2007
101views more  ENGL 2007»
15 years 1 months ago
Multiresolution Knowledge Mining using Wavelet Transform
— Most research in Knowledge Mining deal with the basic models like clustering, classification, regression, association rule mining and so on. In the process of quest for knowled...
R. Pradeep Kumar, P. Nagabhushan
EDBT
2009
ACM
135views Database» more  EDBT 2009»
15 years 6 months ago
Provenance for nested subqueries
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
Boris Glavic, Gustavo Alonso
DBSEC
2003
137views Database» more  DBSEC 2003»
15 years 2 months ago
Certifying Data from Multiple Sources
Abstract Data integrity can be problematic when integrating and organizing information from many sources. In this paper we describe efficient mechanisms that enable a group of data...
Glen Nuckolls, Charles U. Martel, Stuart G. Stubbl...
SIGMOD
2012
ACM
222views Database» more  SIGMOD 2012»
13 years 3 months ago
Tiresias: a demonstration of how-to queries
In this demo, we will present Tiresias, the first how-to query engine. How-to queries represent fundamental data analysis questions of the form: “How should the input change in...
Alexandra Meliou, Yisong Song, Dan Suciu