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CATA
2003
13 years 9 months ago
Visualizing Query Structure
Visualization research seeks to exploit the human user’s ability to interpret graphical representations of data in order to provide insight into properties of the data that may ...
Dennis P. Groth
ICDE
2007
IEEE
135views Database» more  ICDE 2007»
14 years 2 months ago
Cost-Aware Skyline Queries in Structured Overlays
Recently, systems providing access to extremely large data collections, managed in a distributed manner, gain emerging attention. A promising approach to implement the physical la...
Marcel Karnstedt, Jessica Müller, Kai-Uwe Sat...
P2P
2007
IEEE
156views Communications» more  P2P 2007»
14 years 2 months ago
Completeness Estimation of Range Queries in Structured Overlays
Range queries are a very powerful tool in a wide range of data management systems and are vital to a multitude of applications. The hierarchy of structured overlay systems can be ...
Marcel Karnstedt, Kai-Uwe Sattler, Roman Schmidt
COMPGEOM
2010
ACM
14 years 28 days ago
Orthogonal range reporting: query lower bounds, optimal structures in 3-d, and higher-dimensional improvements
Orthogonal range reporting is the problem of storing a set of n points in d-dimensional space, such that the k points in an axis-orthogonal query box can be reported efficiently. ...
Peyman Afshani, Lars Arge, Kasper Dalgaard Larsen
SIGMOD
2005
ACM
99views Database» more  SIGMOD 2005»
14 years 8 months ago
Query answering exploiting structural properties
We review the notion of hypertree width, a measure of the degree of cyclicity of hypergraphs that is useful for identifying and solving efficiently easy instances of hard problems...
Francesco Scarcello