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81
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KDD
1994
ACM
104views Data Mining» more  KDD 1994»
15 years 4 months ago
Dynamic Generation and Refinement of Concept Hierarchies for Knowledge Discovery in Databases
Concepthierarchies organizedata andconceptsin hierarchical ]ormsor in certain partial order, which helps expressingknowledgeanddata relationships in databasesin concise, highlevel...
Jiawei Han, Yongjian Fu
NIPS
2008
15 years 2 months ago
Beyond Novelty Detection: Incongruent Events, when General and Specific Classifiers Disagree
Unexpected stimuli are a challenge to any machine learning algorithm. Here we identify distinct types of unexpected events, focusing on 'incongruent events' when 'g...
Daphna Weinshall, Hynek Hermansky, Alon Zweig, Jie...
98
Voted
AIPS
2004
15 years 2 months ago
Generating Robust Schedules through Temporal Flexibility
This paper considers the problem of generating partial order schedules (
Nicola Policella, Stephen F. Smith, Amedeo Cesta, ...
86
Voted
VLDB
2005
ACM
85views Database» more  VLDB 2005»
15 years 6 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
103
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CADE
2004
Springer
16 years 1 months ago
Lambda Logic
Lambda logic is the union of first order logic and lambda calculus. We prove basic metatheorems for both total and partial versions of lambda logic. We use lambda logic to state a...
Michael Beeson