Sciweavers

1434 search results - page 252 / 287
» Distributed Computing with Imperfect Randomness
Sort
View
PODS
2012
ACM
281views Database» more  PODS 2012»
13 years 4 months ago
Mergeable summaries
We study the mergeability of data summaries. Informally speaking, mergeability requires that, given two summaries on two data sets, there is a way to merge the two summaries into ...
Pankaj K. Agarwal, Graham Cormode, Zengfeng Huang,...
SIGIR
2009
ACM
15 years 8 months ago
On social networks and collaborative recommendation
Social network systems, like last.fm, play a significant role in Web 2.0, containing large amounts of multimedia-enriched data that are enhanced both by explicit user-provided an...
Ioannis Konstas, Vassilios Stathopoulos, Joemon M....
P2P
2006
IEEE
153views Communications» more  P2P 2006»
15 years 8 months ago
Internet-Scale Storage Systems under Churn -- A Study of the Steady-State using Markov Models
Content storage in a distributed collaborative environment uses redundancy for better resilience and thus provides good availability and durability. In a peer-to-peer environment,...
Anwitaman Datta, Karl Aberer
SODA
2012
ACM
245views Algorithms» more  SODA 2012»
13 years 4 months ago
Lower bounds for number-in-hand multiparty communication complexity, made easy
In this paper we prove lower bounds on randomized multiparty communication complexity, both in the blackboard model (where each message is written on a blackboard for all players ...
Jeff M. Phillips, Elad Verbin, Qin Zhang
CONCUR
2009
Springer
15 years 8 months ago
Probabilistic Weighted Automata
Nondeterministic weighted automata are finite automata with numerical weights on transitions. They define quantitative languages L that assign to each word w a real number L(w). ...
Krishnendu Chatterjee, Laurent Doyen, Thomas A. He...