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SIGUCCS
2006
ACM
14 years 2 months ago
Better results in mathematics lessons with a virtual personal teacher
In this paper we present the results of an experiment made with our e-librarian service ”MatES”, an e-Learning tool on fractions in mathematics. MatES allows students to enter...
Serge Linckels, Carole Dording, Christoph Meinel
WWW
2007
ACM
14 years 9 months ago
OntoWiki: A Tool for Social, Semantic Collaboration
Abstract We present OntoWiki, a tool providing support for agile, distributed knowledge engineering scenarios. OntoWiki facilitates the visual presentation of a knowledge base as a...
Jens Lehmann, Sören Auer, Sebastian Dietzold,...
KDD
2007
ACM
178views Data Mining» more  KDD 2007»
14 years 8 months ago
Practical learning from one-sided feedback
In many data mining applications, online labeling feedback is only available for examples which were predicted to belong to the positive class. Such applications include spam filt...
D. Sculley
STOC
2005
ACM
164views Algorithms» more  STOC 2005»
14 years 8 months ago
Cooperative asynchronous update of shared memory
The Write-All problem for an asynchronous shared-memory system has the objective for the processes to update the contents of a set of shared registers, while minimizing the mber o...
Bogdan S. Chlebus, Dariusz R. Kowalski
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
14 years 8 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li