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Using Linear Algebra for Intelligent Information Retrieval

by Michael W. Berry, Susan T. Dumais - SIAM REVIEW , 1995
"... Currently, most approaches to retrieving textual materials from scientific databases depend on a lexical match between words in users' requests and those in or assigned to documents in a database. Because of the tremendous diversity in the words people use to describe the same document, lexical ..."
Abstract - Cited by 676 (18 self) - Add to MetaCart
Currently, most approaches to retrieving textual materials from scientific databases depend on a lexical match between words in users' requests and those in or assigned to documents in a database. Because of the tremendous diversity in the words people use to describe the same document

Data-Centric Scientific Workflow

by Felipe Horta, Vítor Silva, Flavio Costa, Daniel De Oliveira, Kary Ocaña, Eduardo Ogasawara, Jonas Dias, Marta Mattoso, Felipe Horta, Vítor Silva, Flavio Costa, Daniel De Oliveira, Eduardo Ogasawara, Kary Ocana, Marta Mattoso
"... Tools used for generating provenance Application ..."
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Tools used for generating provenance Application

Data-centric Multi-level Blocking

by Induprakas Kodukula, Nawaaz Ahmed, d Keshav Pingali , 1997
"... We present a simple and novel framework for generating blocked codes for high-performance machines with a memory hierarchy. Unlike traditional compiler techniques like tiling, which are based on reasoning about the control flow of programs, our techniques are based on reasoning directly about the fl ..."
Abstract - Cited by 155 (10 self) - Add to MetaCart
the flow of data through the memory hierarchy. Our data-centric transformations permit a more direct solution to the problem of enhancing data locality than current control-centric techniques do, and generalize easily to multiple levels of memory hierarchy. We buttress these claims with performance numbers

Data-Centric Scientific Workflow Management Systems by

by David T Liu, David T. Liu, David T. Liu Abstract, David T. Liu
"... All rights reserved. ..."
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All rights reserved.

A Framework for Collecting Provenance in Data-Centric Scientific Workflows

by Yogesh L. Simmhan, Beth Plale, Dennis Gannon - In ICWS , 2006
"... The increasing ability for the earth sciences to sense the world around us is resulting in a growing need for datadriven applications that are under the control of data-centric workflows composed of grid- and web- services. The focus of our work is on provenance collection for these workflows, neces ..."
Abstract - Cited by 37 (5 self) - Add to MetaCart
The increasing ability for the earth sciences to sense the world around us is resulting in a growing need for datadriven applications that are under the control of data-centric workflows composed of grid- and web- services. The focus of our work is on provenance collection for these workflows

The Impact of Workflow Tools on Data-centric Research

by Carole Goble, David De Roure - SCIENTIFIC INFRASTRUCTURE
"... ... in which hypotheses are not only tested through directed data collection and analysis but also generated by combining and mining the pool of data already available [1-3]. The scientific data landscape we draw upon is expanding rapidly in both scale and diversity. Taking the life sciences as an e ..."
Abstract - Cited by 13 (4 self) - Add to MetaCart
... in which hypotheses are not only tested through directed data collection and analysis but also generated by combining and mining the pool of data already available [1-3]. The scientific data landscape we draw upon is expanding rapidly in both scale and diversity. Taking the life sciences

Decentralized Orchestration of Data-centric Workflows in Cloud Environments

by Bahman Javadia, Martin Tomkob, Richard Sinnottc
"... Data-centric and service-oriented workflows are commonly used in scientific research to enable the composition and execution of complex analysis on distributed resources. Although there are a plethora of orchestration frame-works to implement workflows, most of them are unsuitable for executing (en- ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
Data-centric and service-oriented workflows are commonly used in scientific research to enable the composition and execution of complex analysis on distributed resources. Although there are a plethora of orchestration frame-works to implement workflows, most of them are unsuitable for executing (en

A Data-Centric Perspective for Workflow Model Management

by Zhiyong Liu, J. Leon Zhao, Harry Jiannan Wang, Huaping Chen - International Conference on Information Systems (ICIS 2011 , 2011
"... With increasingly widespread adoption of workflow technology as a standard solution to business process management, much effort is put on designing appropriate workflow models. The reuse of existing models has been recently suggested to support more efficient workflow design, which requires the stor ..."
Abstract - Cited by 1 (1 self) - Add to MetaCart
the storage, search and composition of workflow models. In this paper, we propose a new framework of workflow model management from a data-centric perspective, which provides unique features lacking in existing approaches based on control flow and function description. We develop a data-centric indexing

Merging Application-centric and Data-centric Approaches to Support Transaction-oriented Multi-system Workflows

by Y. Breitbart , A. Deacon, H.-J. Schek, A. Sheth, G. Weikum , 1993
"... Workflow management is primarily concerned with dependencies between the tasks of a workflow, to ensure correct control flow and data flow. Transaction management, on the other hand, is concerned with preserving data dependencies by preventing execution of conflicting operations from multiple, concu ..."
Abstract - Cited by 67 (10 self) - Add to MetaCart
Workflow management is primarily concerned with dependencies between the tasks of a workflow, to ensure correct control flow and data flow. Transaction management, on the other hand, is concerned with preserving data dependencies by preventing execution of conflicting operations from multiple

An Algebraic Approach for

by Jonas Dias, Data-centric Scientific Workflows, Daniel De Oliveira, Patrick Valduriez, Marta Mattoso
"... Scientific workflows have emerged as a basic abstraction for structuring and executing scientific experiments in computational environments. In many situations, these workflows are computationally and data intensive, thus requiring execution in large-scale parallel computers. However, parallelizatio ..."
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of scientific workflows. We conducted a thorough validation of our approach using both a real oil exploitation application and synthetic data scenarios. The experiments were run in Chiron, a data-centric scientific workflow engine implemented to support our algebraic approach. Our experiments demonstrate
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