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VLDB
2007
ACM
77views Database» more  VLDB 2007»
15 years 7 months ago
Tracing Lineage Beyond Relational Operators
Tracing the lineage of data is an important requirement for establishing the quality and validity of data. Recently, the problem of data provenance has been increasingly addressed...
Mingwu Zhang, Xiangyu Zhang, Xiang Zhang, Sunil Pr...
DATE
2010
IEEE
155views Hardware» more  DATE 2010»
15 years 6 months ago
A Smart Space application to dynamically relate medical and environmental information
— In this paper we present a cross-domain application for ambient and health monitoring. The system architecture is intended to be openly extensible in order to fulfil unanticipa...
Fabio Vergari, Sara Bartolini, Federico Spadini, A...
INFOVIS
2000
IEEE
15 years 5 months ago
Polaris: A System for Query, Analysis and Visualization of Multi-Dimensional Relational Databases
In the last several years, large multi-dimensional databases have become common in a variety of applications such as data warehousing and scientific computing. Analysis and explor...
Chris Stolte, Pat Hanrahan
VLDB
1989
ACM
114views Database» more  VLDB 1989»
15 years 5 months ago
Extending the Relational Algebra to Capture Complex Objects
An important direction in database research for non-standard applications (e.g. engineering or design applications) deals with adequate support for complex objects. Without doubt,...
Bernhard Mitschang
COMPGEOM
2007
ACM
15 years 5 months ago
On the hardness of minkowski addition and related operations
For polytopes P, Q Rd we consider the intersection P Q; the convex hull of the union CH(P Q); and the Minkowski sum P + Q. We prove that given rational H-polytopes P1, P2, Q it...
Hans Raj Tiwary