Sciweavers

1596 search results - page 165 / 320
» Using knowledge nodes for knowledge discovery and collaborat...
Sort
View
88
Voted
PERCOM
2005
ACM
15 years 9 months ago
Trading Latency for Energy in Wireless Ad Hoc Networks Using Message Ferrying
Power management is a critical issue in wireless ad hoc networks where the energy supply is limited. In this paper, we investigate a routing paradigm, Message Ferrying (MF), to sa...
Hyewon Jun, Wenrui Zhao, Mostafa H. Ammar, Ellen W...
DLOG
2008
15 years 14 days ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
KDD
2010
ACM
270views Data Mining» more  KDD 2010»
15 years 3 days ago
An energy-efficient mobile recommender system
The increasing availability of large-scale location traces creates unprecedent opportunities to change the paradigm for knowledge discovery in transportation systems. A particular...
Yong Ge, Hui Xiong, Alexander Tuzhilin, Keli Xiao,...
76
Voted
CORR
2008
Springer
68views Education» more  CORR 2008»
14 years 10 months ago
Improved lower bound for deterministic broadcasting in radio networks
We consider the problem of deterministic broadcasting in radio networks when the nodes have limited knowledge about the topology of the network. We show that for every determinist...
Carlos Brito, Shailesh Vaya
99
Voted
DASFAA
2005
IEEE
171views Database» more  DASFAA 2005»
15 years 3 months ago
Mining Succinct Systems of Minimal Generators of Formal Concepts
Formal concept analysis has become an active field of study for data analysis and knowledge discovery. A formal concept C is determined by its extent (the set of objects that fall...
Guozhu Dong, Chunyu Jiang, Jian Pei, Jinyan Li, Li...