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» Panda: A System for Provenance and Data
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IPPS
2002
IEEE
14 years 16 days ago
MPI/IO on DAFS over VIA: Implementation and Performance Evaluation
In this paper, we describe an implementation of MPI-IO on top of the Direct Access File System (DAFS) standard. The implementation is realized by porting ROMIO on top of DAFS. We ...
Jiesheng Wu, Dhabaleswar K. Panda
ICDE
2005
IEEE
105views Database» more  ICDE 2005»
14 years 9 months ago
Representing and Querying Data Transformations
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
John Mylopoulos, Renée J. Miller, Yannis Ve...
IPSN
2010
Springer
14 years 2 months ago
Self-identifying sensor data
Public-use sensor datasets are a useful scientific resource with the unfortunate feature that their provenance is easily disconnected from their content. To address this we intro...
Stephen Chong, Christian Skalka, Jeffrey A. Vaugha...
ICDT
2012
ACM
226views Database» more  ICDT 2012»
11 years 10 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
HPDC
2010
IEEE
13 years 8 months ago
Data parallelism in bioinformatics workflows using Hydra
Large scale bioinformatics experiments are usually composed by a set of data flows generated by a chain of activities (programs or services) that may be modeled as scientific work...
Fábio Coutinho, Eduardo S. Ogasawara, Danie...