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MOBIHOC
2009
ACM
16 years 6 days ago
Predict and relay: an efficient routing in disruption-tolerant networks
Routing is one of the most challenging open problems in disruption-tolerant networks (DTNs) because of the shortlived wireless connectivity environment. To deal with this issue, r...
Quan Yuan, Ionut Cardei, Jie Wu
SIGMOD
2009
ACM
171views Database» more  SIGMOD 2009»
15 years 12 months ago
GAMPS: compressing multi sensor data by grouping and amplitude scaling
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
Sorabh Gandhi, Suman Nath, Subhash Suri, Jie Liu
SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
15 years 11 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo
EDBTW
2010
Springer
15 years 6 months ago
Key escrow schemes with sliding window for privacy-aware anomaly detection system
Requirements for a traffic monitoring system can be very demanding as both privacy and performance aspects have to be taken into account jointly. Moreover, the legislation sets fo...
Esa Hyytiä, Ivan Gojmerac, Simone Teofili, Gi...
103
Voted
WSDM
2009
ACM
140views Data Mining» more  WSDM 2009»
15 years 6 months ago
Effective latent space graph-based re-ranking model with global consistency
Recently the re-ranking algorithms have been quite popular for web search and data mining. However, one of the issues is that those algorithms treat the content and link informati...
Hongbo Deng, Michael R. Lyu, Irwin King