What are agents
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What are Agents? PowerPoint PPT Presentation


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What are Agents?. OPM Workshop Luc Moreau. Agents. What are agents? Why aren’t artifacts ? What causes agents to be as they are? Nothing in the model Difficulty of use of agents, which result in interoperability issues See figures 16 and 17 in the specification. Enactor Executable.

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What are Agents?

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What are agents

What are Agents?

OPM Workshop

Luc Moreau


Agents

Agents

  • What are agents?

  • Why aren’t artifacts?

  • What causes agents to be as they are? Nothing in the model

  • Difficulty of use of agents, which result in interoperability issues

    • See figures 16 and 17 in the specification


What are agents

Enactor

Executable

Montage

Workflow

Script

Alternate

Operating

System/

Grid

used

used

Execute

Program

wasControlledBy

Pegasus/

Condor

Dagman

wasGeneratedBy(out)

wasControlledBy

FITS

DataSet

used(inputSet)

Produce

Sky

Mosaic

Mosaic

wasGeneratedBy(out)

Degree

used(size)


What are agents

Jim’s view agent

NSF

Pegasus

Researcher

Workflow Template

Run a workflow

Perform experiment

Proposal

Fund

project

FITS

Produce Mosaic

The

Mosaic

Luc’s question: what is the causal relationship between Run a workflow and Produce Mosaic?


What solution

What solution?

  • Not too sure

  • The controller of a process could be an artifact

  • Several artifacts could denote different instances of a same entity, which is the agent

  • Agency is the common property of these artifacts

  • Should the agent be seen as a form of stream of artifacts?


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