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» Optimizing Monitoring Queries over Distributed Data
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INFOCOM
2008
IEEE
16 years 25 days ago
Iso-Contour Queries and Gradient Descent with Guaranteed Delivery in Sensor Networks
—We study the problem of data-driven routing and navigation in a distributed sensor network over a continuous scalar field. Specifically, we address the problem of searching fo...
Rik Sarkar, Xianjin Zhu, Jie Gao, Leonidas J. Guib...
JMLR
2010
173views more  JMLR 2010»
15 years 1 months ago
Collaborative Filtering via Rating Concentration
While most popular collaborative filtering methods use low-rank matrix factorization and parametric density assumptions, this article proposes an approach based on distribution-fr...
Bert Huang, Tony Jebara
DEXA
2008
Springer
85views Database» more  DEXA 2008»
15 years 8 months ago
Reordering of Location Identifiers for Indexing an RFID Tag Object Database
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...
Sungwoo Ahn, Bonghee Hong
EDBT
2010
ACM
164views Database» more  EDBT 2010»
15 years 9 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...
HPDC
2000
IEEE
15 years 11 months ago
Managing Network Resources in Condor
Data-intensive applications in the Condor High Throughput Computing environment can place heavy demands on network resources for checkpointing and remote data access. We have deve...
Jim Basney, Miron Livny