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INFOCOM
2011
IEEE
13 years 2 months ago
On the achievable throughput of CSMA under imperfect carrier sensing
Abstract—Recently, it has been shown that a simple, distributed CSMA algorithm is throughput-optimal. However, throughput-optimality is established under the perfect or ideal car...
Tae Hyun Kim 0001, Jian Ni, R. Srikant, Nitin H. V...
ICDE
2011
IEEE
244views Database» more  ICDE 2011»
13 years 2 months ago
Algorithms for local sensor synchronization
— In a wireless sensor network (WSN), each sensor monitors environmental parameters, and reports its readings to a base station, possibly through other nodes. A sensor works in c...
Lixing Wang, Yin Yang, Xin Miao, Dimitris Papadias...
ICASSP
2011
IEEE
13 years 2 months ago
3D image geo-registration using vision-based modeling
Image geo-registration is the process of relating a photograph and its pose to referenced world coordinates. The application is relevant, especially to the social networking, phot...
Karl Ni, Zachary Sun, Nadya Bliss
EMNLP
2011
12 years 10 months ago
Random Walk Inference and Learning in A Large Scale Knowledge Base
We consider the problem of performing learning and inference in a large scale knowledge base containing imperfect knowledge with incomplete coverage. We show that a soft inference...
Ni Lao, Tom M. Mitchell, William W. Cohen
JSS
2011
150views more  JSS 2011»
13 years 5 months ago
A novel general framework for automatic and cost-effective handling of recoverable temporal violations in scientific workflow sy
Due to the complex nature of scientific workflow environments, temporal violations often take place and may severely reduce the timeliness of the execution’s results. To handle ...
Xiao Liu, Zhiwei Ni, Zhangjun Wu, Dong Yuan, Jinju...