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» Optimizing Frequency Queries for Data Mining Applications
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CIDR
2011
266views Algorithms» more  CIDR 2011»
13 years 24 days ago
Consistency in a Stream Warehouse
A stream warehouse is a Data Stream Management System (DSMS) that stores a very long history, e.g. years or decades; or equivalently a data warehouse that is continuously loaded. ...
Lukasz Golab, Theodore Johnson
JAPLL
2010
179views more  JAPLL 2010»
13 years 7 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
KDD
2009
ACM
208views Data Mining» more  KDD 2009»
14 years 9 months ago
A principled and flexible framework for finding alternative clusterings
The aim of data mining is to find novel and actionable insights in data. However, most algorithms typically just find a single (possibly non-novel/actionable) interpretation of th...
Zijie Qi, Ian Davidson
WWW
2008
ACM
14 years 10 months ago
Composing and optimizing data providing web services
In this paper, we propose a new approach to automatically compose data providing Web services. Our approach exploits existing mature works done in data integration systems. Specif...
Mahmoud Barhamgi, Djamal Benslimane, Aris M. Oukse...
ICDE
2000
IEEE
115views Database» more  ICDE 2000»
14 years 10 months ago
Optimization Techniques for Data-Intensive Decision Flows
For an enterprise to take advantage of the opportunities afforded by electronic commerce it must be able to make decisions about business transactions in near-realtime. In the com...
Bharat Kumar, François Llirbat, Gang Zhou, ...