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OSDI
2004
ACM
14 years 9 months ago
Boxwood: Abstractions as the Foundation for Storage Infrastructure
Abstractions as the Foundation for Storage Infrastructure John MacCormick, Nick Murphy, Marc Najork, Chandramohan A. Thekkath, and Lidong Zhou Microsoft Research Silicon Valley Wr...
John MacCormick, Nick Murphy, Marc Najork, Chandra...
ICDE
2010
IEEE
170views Database» more  ICDE 2010»
14 years 9 months ago
Workload Driven Index Defragmentation
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
Manoj Syamala, Vivek R. Narasayya
ICDT
2010
ACM
180views Database» more  ICDT 2010»
14 years 6 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
SAC
2009
ACM
14 years 4 months ago
Optimal service level allocation in environmentally powered embedded systems
Energy management is a critical concern in the design of embedded systems to prolong the lifetime or to maximize the performance under energy constraints. In particular, the emerg...
Clemens Moser, Jian-Jia Chen, Lothar Thiele
ESORICS
2009
Springer
14 years 4 months ago
Private Information Retrieval Techniques for Enabling Location Privacy in Location-Based Services
Abstract. The ubiquity of smartphones and other location-aware handheld devices has resulted in a dramatic increase in popularity of locationbased services (LBS) tailored to user l...
Ali Khoshgozaran, Cyrus Shahabi