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SC
1995
ACM
14 years 1 months ago
Parallel Matrix-Vector Product Using Approximate Hierarchical Methods
Matrix-vector products (mat-vecs) form the core of iterative methods used for solving dense linear systems. Often, these systems arise in the solution of integral equations used i...
Ananth Grama, Vipin Kumar, Ahmed H. Sameh
SIGCOMM
1991
ACM
14 years 1 months ago
IP-Based Protocols for Mobile Internetworking
We consider the problem of providing network access to hosts whose physical location changes with time. Such hosts cannot depend on traditional forms of network connectivity and r...
John Ioannidis, Dan Duchamp, Gerald Q. Maguire Jr.
MOBISYS
2010
ACM
14 years 20 hour ago
GreenGPS: a participatory sensing fuel-efficient maps application
This paper develops a navigation service, called GreenGPS, that uses participatory sensing data to map fuel consumption on city streets, allowing drivers to find the most fueleffi...
Raghu K. Ganti, Nam Pham, Hossein Ahmadi, Saurabh ...
APPROX
2008
Springer
142views Algorithms» more  APPROX 2008»
13 years 11 months ago
Approximating Maximum Subgraphs without Short Cycles
We study approximation algorithms, integrality gaps, and hardness of approximation, of two problems related to cycles of "small" length k in a given graph. The instance f...
Guy Kortsarz, Michael Langberg, Zeev Nutov
CEAS
2008
Springer
13 years 11 months ago
Tracking Email Reputation for Authenticated Sender Identities
With the amount of unsolicited emails on the rise, domain authentication schemes have been widely deployed to identify senders. Establishing a sender's identity does not guar...
Gautam Singaraju, Jeffrey Moss, Brent ByungHoon Ka...