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MOBISYS
2009
ACM
16 years 4 months ago
Attacks on public WLAN-based positioning systems
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...
Nils Ole Tippenhauer, Kasper Bonne Rasmussen, Chri...
CLUSTER
2008
IEEE
15 years 10 months ago
Towards an understanding of the performance of MPI-IO in Lustre file systems
—Lustre is becoming an increasingly important file system for large-scale computing clusters. The problem, however, is that many data-intensive applications use MPI-IO for their ...
Jeremy Logan, Phillip M. Dickens
136
Voted
SC
2009
ACM
15 years 11 months ago
Dynamic task scheduling for linear algebra algorithms on distributed-memory multicore systems
This paper presents a dynamic task scheduling approach to executing dense linear algebra algorithms on multicore systems (either shared-memory or distributed-memory). We use a tas...
Fengguang Song, Asim YarKhan, Jack Dongarra
117
Voted
EUROPAR
2004
Springer
15 years 9 months ago
Designing Parallel Operating Systems via Parallel Programming
Abstract. Ever-increasing demand for computing capability is driving the construction of ever-larger computer clusters, soon to be reaching tens of thousands of processors. Many fu...
Eitan Frachtenberg, Kei Davis, Fabrizio Petrini, J...
ICDCS
2009
IEEE
16 years 1 months ago
CAP: A Context-Aware Privacy Protection System for Location-Based Services
We address issues related to privacy protection in location-based services (LBS). Most existing research in this field either requires a trusted third-party (anonymizer) or uses ...
Aniket Pingley, Wei Yu, Nan Zhang 0004, Xinwen Fu,...