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FOCS
2010
IEEE
14 years 9 months ago
Stability Yields a PTAS for k-Median and k-Means Clustering
We consider k-median clustering in finite metric spaces and k-means clustering in Euclidean spaces, in the setting where k is part of the input (not a constant). For the k-means pr...
Pranjal Awasthi, Avrim Blum, Or Sheffet
IPPS
2010
IEEE
14 years 9 months ago
Optimization of linked list prefix computations on multithreaded GPUs using CUDA
We present a number of optimization techniques to compute prefix sums on linked lists and implement them on multithreaded GPUs using CUDA. Prefix computations on linked structures ...
Zheng Wei, Joseph JáJá
TKDE
2011
528views more  TKDE 2011»
14 years 6 months ago
The CoQUOS Approach to Continuous Queries in Unstructured Overlays
—The current peer-to-peer (P2P) content distribution systems are constricted by their simple on-demand content discovery mechanism. The utility of these systems can be greatly en...
Lakshmish Ramaswamy, Jianxia Chen
TMC
2011
261views more  TMC 2011»
14 years 6 months ago
Breath: An Adaptive Protocol for Industrial Control Applications Using Wireless Sensor Networks
—An energy-efficient, reliable and timely data transmission is essential for wireless sensor networks (WSNs) employed in scenarios where plant information must be available for ...
Pan Gun Park, Carlo Fischione, Alvise Bonivento, K...
WWW
2011
ACM
14 years 6 months ago
Finding hierarchy in directed online social networks
Social hierarchy and stratification among humans is a well studied concept in sociology. The popularity of online social networks presents an opportunity to study social hierarch...
Mangesh Gupte, Pravin Shankar, Jing Li, S. Muthukr...