Sciweavers

1532 search results - page 45 / 307
» Querying Distributed Data in a Super-Peer Based Architecture
Sort
View
ICDT
2012
ACM
226views Database» more  ICDT 2012»
13 years 8 months ago
Factorised representations of query results: size bounds and readability
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
Dan Olteanu, Jakub Zavodny
WWW
2008
ACM
16 years 6 months ago
Xml data dissemination using automata on top of structured overlay networks
We present a novel approach for filtering XML documents using nondeterministic finite automata and distributed hash tables. Our approach differs architecturally from recent propos...
Iris Miliaraki, Zoi Kaoudi, Manolis Koubarakis
CORR
2012
Springer
209views Education» more  CORR 2012»
14 years 1 months ago
Aggregation in Probabilistic Databases via Knowledge Compilation
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
Robert Fink, Larisa Han, Dan Olteanu
HICSS
1998
IEEE
104views Biometrics» more  HICSS 1998»
15 years 10 months ago
Managing Metadata for Distributed Information Servers
In this paper we present the design and implementation of a distributed index architecture to facilitate metadata discovery on large networks. Many current information discovery s...
Nigel Hinds, Chinya V. Ravishankar
CLOUDCOM
2010
Springer
15 years 4 months ago
A Token-Based Access Control System for RDF Data in the Clouds
The Semantic Web is gaining immense popularity-and with it, the Resource Description Framework (RDF) broadly used to model Semantic Web content. However, access control on RDF sto...
Arindam Khaled, Mohammad Farhan Husain, Latifur Kh...