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» A System for Semi-Automatic Modeling of Complex Environments
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GIS
2010
ACM
14 years 10 months ago
Decentralized querying of topological relations between regions without using localization
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
Matt Duckham, Myeong Hun Jeong, Sanjiang Li, Joche...
SIGMETRICS
2005
ACM
105views Hardware» more  SIGMETRICS 2005»
15 years 5 months ago
An interposed 2-Level I/O scheduling framework for performance virtualization
I/O consolidation is a growing trend in production environments due to the increasing complexity in tuning and managing storage systems. A consequence of this trend is the need to...
Jianyong Zhang, Anand Sivasubramaniam, Alma Riska,...
SIGMOD
2010
ACM
598views Database» more  SIGMOD 2010»
15 years 4 months ago
Ricardo: integrating R and Hadoop
Many modern enterprises are collecting data at the most detailed level possible, creating data repositories ranging from terabytes to petabytes in size. The ability to apply sophi...
Sudipto Das, Yannis Sismanis, Kevin S. Beyer, Rain...
VLDB
2005
ACM
139views Database» more  VLDB 2005»
15 years 5 months ago
Statistical Learning Techniques for Costing XML Queries
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
Ning Zhang 0002, Peter J. Haas, Vanja Josifovski, ...
ATAL
2006
Springer
15 years 3 months ago
Integrating parallel interactions into cooperative search
In this paper we incorporate autonomous agents' capability to perform parallel interactions into the cooperative search model, resulting in a new method which outperforms the...
Efrat Manisterski, David Sarne, Sarit Kraus