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SEMWEB
2010
Springer
15 years 4 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
SEMWEB
2010
Springer
15 years 4 months ago
Making Sense of Twitter
Abstract. Twitter enjoys enormous popularity as a micro-blogging service largely due to its simplicity. On the downside, there is little organization to the Twitterverse and making...
David Laniado, Peter Mika
SEMWEB
2010
Springer
15 years 4 months ago
Optimize First, Buy Later: Analyzing Metrics to Ramp-Up Very Large Knowledge Bases
As knowledge bases move into the landscape of larger ontologies and have terabytes of related data, we must work on optimizing the performance of our tools. We are easily tempted t...
Paea LePendu, Natalya Fridman Noy, Clement Jonquet...
SENSYS
2010
ACM
15 years 4 months ago
Estimating building consumption breakdowns using ON/OFF state sensing and incremental sub-meter deployment
This paper considers the problem of estimating the power breakdowns for the main appliances inside a building using a small number of power meters and the knowledge of the ON/OFF ...
Deokwoo Jung, Andreas Savvides
SIN
2010
ACM
15 years 4 months ago
A calculus for the qualitative risk assessment of policy override authorization
Policy override is gaining traction in the research community to improve the efficiency and usability of authorization mechanisms. These mechanisms turn the conventional privilege...
Steffen Bartsch
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