Sciweavers

1832 search results - page 113 / 367
» Querying RDF Data Using A Multigraph-based Approach
Sort
View
RR
2010
Springer
15 years 4 months ago
Query-Based Access Control for Ontologies
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
Martin Knechtel, Heiner Stuckenschmidt
PVLDB
2010
179views more  PVLDB 2010»
15 years 4 months ago
MRShare: Sharing Across Multiple Queries in MapReduce
Large-scale data analysis lies in the core of modern enterprises and scientific research. With the emergence of cloud computing, the use of an analytical query processing infrast...
Tomasz Nykiel, Michalis Potamias, Chaitanya Mishra...
RTSS
2006
IEEE
16 years 10 days ago
Prediction-Based QoS Management for Real-Time Data Streams
With the emergence of large wired and wireless sensor networks, many real-time applications need to operate on continuous unbounded data streams. At the same time, many of these s...
Yuan Wei, Vibha Prasad, Sang Hyuk Son, John A. Sta...
EDBT
2004
ACM
122views Database» more  EDBT 2004»
16 years 6 months ago
Sketch-Based Multi-query Processing over Data Streams
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
Alin Dobra, Minos N. Garofalakis, Johannes Gehrke,...
GLOBE
2009
Springer
15 years 11 months ago
AGiDS: A Grid-Based Strategy for Distributed Skyline Query Processing
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. A challenging problem is to support skylin...
João B. Rocha-Junior, Akrivi Vlachou, Chris...