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IDEAL
2005
Springer
14 years 2 months ago
Recursive Self-organizing Map as a Contractive Iterative Function System
Recently, there has been a considerable research activity in extending topographic maps of vectorial data to more general data structures, such as sequences or trees. However, the ...
Peter Tiño, Igor Farkas, Jort van Mourik
HASKELL
2008
ACM
13 years 10 months ago
Clase: cursor library for a structured editor
The “zipper” is a well known design pattern for providing a cursorlike interface to a data structure. However, the classic treatise by Huet only scratches the surface of some ...
Tristan O. R. Allwood, Susan Eisenbach
SODA
2012
ACM
174views Algorithms» more  SODA 2012»
11 years 11 months ago
Using hashing to solve the dictionary problem
We consider the dictionary problem in external memory and improve the update time of the wellknown buffer tree by roughly a logarithmic factor. For any λ ≥ max{lg lg n, logM/B(...
John Iacono, Mihai Patrascu
IPPS
2007
IEEE
14 years 3 months ago
Probability Convergence in a Multithreaded Counting Application
The problem of counting specified combinations of a given set of variables arises in many statistical and data mining applications. To solve this problem, we introduce the PDtree...
Chad Scherrer, Nathaniel Beagley, Jarek Nieplocha,...
DEXAW
2007
IEEE
124views Database» more  DEXAW 2007»
14 years 1 months ago
XML Query Optimisation: Specify your Selectivity
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
Sven Hartmann, Sebastian Link