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» Extracting Approximate Patterns
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LWA
2004
15 years 6 months ago
Efficient Frequent Pattern Mining in Relational Databases
Data mining on large relational databases has gained popularity and its significance is well recognized. However, the performance of SQL based data mining is known to fall behind ...
Xuequn Shang, Kai-Uwe Sattler, Ingolf Geist
118
Voted
TCSV
2008
124views more  TCSV 2008»
15 years 4 months ago
A Block-Edge-Pattern-Based Content Descriptor in DCT Domain
In this correspondence, we describe a robust and effective content descriptor based on block edge patterns extracted directly in DCT domain, which is suitable for applications in J...
Jianmin Jiang, Kaijin Qiu, Guoqiang Xiao
ICMI
2009
Springer
175views Biometrics» more  ICMI 2009»
15 years 2 months ago
Discovering group nonverbal conversational patterns with topics
This paper addresses the problem of discovering conversational group dynamics from nonverbal cues extracted from thin-slices of interaction. We first propose and analyze a novel t...
Dinesh Babu Jayagopi, Daniel Gatica-Perez
KDD
2005
ACM
103views Data Mining» more  KDD 2005»
16 years 5 months ago
Fast discovery of unexpected patterns in data, relative to a Bayesian network
We consider a model in which background knowledge on a given domain of interest is available in terms of a Bayesian network, in addition to a large database. The mining problem is...
Szymon Jaroszewicz, Tobias Scheffer
147
Voted
PODS
2004
ACM
98views Database» more  PODS 2004»
16 years 4 months ago
Processing First-Order Queries under Limited Access Patterns
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...
Alan Nash, Bertram Ludäscher