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» Performance Analysis of a Distributed Question Answering Sys...
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141
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VLDB
2000
ACM
129views Database» more  VLDB 2000»
15 years 7 months ago
Offering a Precision-Performance Tradeoff for Aggregation Queries over Replicated Data
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
Chris Olston, Jennifer Widom
ICDCN
2010
Springer
15 years 10 months ago
A Leader-Free Byzantine Consensus Algorithm
The paper considers the consensus problem in a partially synchronous system with Byzantine faults. It turns out that, in the partially synchronous system, all deterministic algorit...
Fatemeh Borran, André Schiper
118
Voted
ACSC
2004
IEEE
15 years 7 months ago
Adaptive Cooperative Fuzzy Logic Controller
Fuzzy logic is a natural basis for modelling and solving problems involving imprecise knowledge and continuous systems. Unfortunately, fuzzy logic systems are invariably static (o...
Justin Ammerlaan, David Wright
SIGMOD
2009
ACM
125views Database» more  SIGMOD 2009»
16 years 3 months ago
Top-k queries on uncertain data: on score distribution and typical answers
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
Tingjian Ge, Stanley B. Zdonik, Samuel Madden
IPPS
2007
IEEE
15 years 9 months ago
Replication Strategy in Unstructured Peer-to-Peer Systems
1 The unstructured Peer-to-Peer (P2P) systems usually use a “blind search” method to find the requested data object by propagating a query to a number of peers randomly. In or...
Guofu Feng, Yuquan Jiang, Guihai Chen, Qing Gu, Sa...