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JSAC
2007
155views more  JSAC 2007»
15 years 4 months ago
Semantic social overlay networks
— Peer selection for query routing is a core task in peer-to-peer networks. Unstructured peer-to-peer systems (like Gnutella) ignore this problem, leading to an abundance of netw...
Alexander Löser, Steffen Staab, Christoph Tem...
LATIN
2010
Springer
15 years 11 months ago
Colorful Strips
We study the following geometric hypergraph coloring problem: given a planar point set and an integer k, we wish to color the points with k colors so that any axis-aligned strip co...
Greg Aloupis, Jean Cardinal, Sébastien Coll...
DEXAW
2007
IEEE
157views Database» more  DEXAW 2007»
15 years 8 months ago
Dimensionality Reduction in a P2P System
Peers and data objects in the Hybrid Overlay Network (HON) are organized in a ndimensional feature space. As the dimensionality increases, peers and data objects become sparse and ...
Mouna Kacimi, Kokou Yétongnon
CORR
2010
Springer
89views Education» more  CORR 2010»
15 years 4 months ago
The capacity region of a class of broadcast channels with a sequence of less noisy receivers
The capacity region of a broadcast channel consisting of k-receivers that lie in a less noisy sequence is an open problem, when k 3. We prove that superposition coding is indeed ...
Chandra Nair, Zizhou Vincent Wang
EDBT
2002
ACM
136views Database» more  EDBT 2002»
16 years 4 months ago
Rewriting Unions of General Conjunctive Queries Using Views
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
Junhu Wang, Michael J. Maher, Rodney W. Topor