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PKDD
2010
Springer
178views Data Mining» more  PKDD 2010»
15 years 1 months ago
Large-Scale Support Vector Learning with Structural Kernels
Abstract. In this paper, we present an extensive study of the cuttingplane algorithm (CPA) applied to structural kernels for advanced text classification on large datasets. In par...
Aliaksei Severyn, Alessandro Moschitti
PVLDB
2010
103views more  PVLDB 2010»
15 years 1 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
SIAMSC
2010
115views more  SIAMSC 2010»
15 years 1 months ago
A New Level Set Method for Motion in Normal Direction Based on a Semi-Implicit Forward-Backward Diffusion Approach
We introduce a new level set method for motion in normal direction. It is based on a formulation in the form of a second order forward-backward diffusion equation. The equation is...
Karol Mikula, Mario Ohlberger
TELSYS
2010
94views more  TELSYS 2010»
15 years 1 months ago
An improved Hurst parameter estimator based on fractional Fourier transform
A fractional Fourier transform (FrFT) based estimation method is introduced in this paper to analyze the long range dependence (LRD) in time series. The degree of LRD can be chara...
Yangquan Chen, Rongtao Sun, Anhong Zhou
VL
2010
IEEE
256views Visual Languages» more  VL 2010»
15 years 1 months ago
SheetDiff: A Tool for Identifying Changes in Spreadsheets
Most spreadsheets, like other software, change over time. A frequently occurring scenario is the repeated reuse and adaptation of spreadsheets from one project to another. If seve...
Chris Chambers, Martin Erwig, Markus Luckey