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165
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WWW
2010
ACM
15 years 1 months ago
Evaluation Techniques for Generalized Path Pattern Queries on XML Data
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path patt...
Xiaoying Wu, Dimitri Theodoratos, Stefanos Souldat...
124
Voted
COMPGEOM
2004
ACM
15 years 9 months ago
Time-varying reeb graphs for continuous space-time data
The Reeb graph is a useful tool in visualizing real-valued data obtained from computational simulations of physical processes. We characterize the evolution of the Reeb graph of a...
Herbert Edelsbrunner, John Harer, Ajith Mascarenha...
122
Voted
SSD
1995
Springer
84views Database» more  SSD 1995»
15 years 7 months ago
Lossless Representation of Topological Spatial Data
We present a data structure used to represent planar spatial databases in the topological data model. Conceptually, such databases consist of points, lines between these points, an...
Bart Kuijpers, Jan Paredaens, Jan Van den Bussche
121
Voted
ICDM
2003
IEEE
138views Data Mining» more  ICDM 2003»
15 years 8 months ago
PixelMaps: A New Visual Data Mining Approach for Analyzing Large Spatial Data Sets
PixelMaps are a new pixel-oriented visual data mining technique for large spatial datasets. They combine kerneldensity-based clustering with pixel-oriented displays to emphasize c...
Daniel A. Keim, Christian Panse, Mike Sips, Stephe...
173
Voted
SIGIR
2012
ACM
13 years 6 months ago
Fighting against web spam: a novel propagation method based on click-through data
Combating Web spam is one of the greatest challenges for Web search engines. State-of-the-art anti-spam techniques focus mainly on detecting varieties of spam strategies, such as ...
Chao Wei, Yiqun Liu, Min Zhang, Shaoping Ma, Liyun...