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WSDM
2010
ACM
213views Data Mining» more  WSDM 2010»
14 years 5 months ago
Corroborating Information from Disagreeing Views
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
Alban Galland, Serge Abiteboul, Amélie Mari...
WISE
2009
Springer
14 years 4 months ago
Start Trusting Strangers? Bootstrapping and Prediction of Trust
Web-based environments typically span interactions between humans and software services. The management and automatic calculation of trust are among the key challenges of the futur...
Florian Skopik, Daniel Schall, Schahram Dustdar
HICSS
2010
IEEE
225views Biometrics» more  HICSS 2010»
14 years 2 months ago
A Comparative Analysis of Professional Forums in the United States Army and Hybrid Communities of Practice in the Civilian Secto
Communities of practice (COPs) have been around since the founding of the first social networks many millennia ago. Organizations around the world over the last two decades have l...
Jon Brickey, Steven Walczak
ICDE
2010
IEEE
399views Database» more  ICDE 2010»
14 years 2 months ago
Discovery-driven graph summarization
Abstract— Large graph datasets are ubiquitous in many domains, including social networking and biology. Graph summarization techniques are crucial in such domains as they can ass...
Ning Zhang, Yuanyuan Tian, Jignesh M. Patel
EDBT
2010
ACM
185views Database» more  EDBT 2010»
14 years 2 months ago
Optimizing joins in a map-reduce environment
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
Foto N. Afrati, Jeffrey D. Ullman