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PKDD
2004
Springer
199views Data Mining» more  PKDD 2004»
15 years 12 months ago
SemanticTalk: Software for Visualizing Brainstorming Sessions and Thematic Concept Trails on Document Collections
Abstract: In this demonstration we introduce a technology to support knowledge structuring processes already at the time of their creation by building up concept structures in real...
Christian Biemann, Karsten Böhm, Gerhard Heye...
184
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DAWAK
2003
Springer
15 years 12 months ago
Computing SQL Queries with Boolean Aggregates
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
Antonio Badia
DGO
2003
295views Education» more  DGO 2003»
15 years 8 months ago
Technology Implementation Management in Law Enforcement: COPLINK System Usability and User Acceptance Evaluations
In this paper, we report on two user-centric evaluation studies of COPLINK, a suite of criminal data mining and knowledge management applications developed at the University of Ari...
Chienting Lin, Paul J. Hu, Hsinchun Chen, Jennifer...
IPL
2006
99views more  IPL 2006»
15 years 6 months ago
Computational complexity of queries based on itemsets
We investigate determining the exact bounds of the frequencies of conjunctions based on frequent sets. Our scenario is an important special case of some general probabilistic logi...
Nikolaj Tatti
TIT
2002
96views more  TIT 2002»
15 years 6 months ago
An axiomatization of partition entropy
Abstract-- The aim of this paper is to present an axiomatization of a generalization of Shannon's entropy starting from partitions of finite sets. The proposed axiomatization ...
Dan A. Simovici, Szymon Jaroszewicz