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Workflow evolution provenance and OPM. Tommy Ellkvist and Juliana Freire. Workflow Evolution. Workflows. Data Products. Version Tree. Action based representation of workflows. Nodes represents workflows Edges represents actions Actions are transformations on workflows

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workflow evolution provenance and opm

Workflow evolution provenance and OPM

Tommy Ellkvist and Juliana Freire

workflow evolution
Workflow Evolution

Workflows

Data Products

Version Tree

action based representation of workflows
Action based representation of workflows
  • Nodes represents workflows
  • Edges represents actions
  • Actions are transformations on workflows
  • Actions are performed by users

0

Add Module(0)

1

Add Module(1)

2

Add Connection(0,1)

3

opm xml schema translated opm example
OPM XML schema: Translated OPM Example

<OPMGraph ...>

<Artifact>

<ArtifactId>1</ArtifactId>

<Account>G</Account>

<Account>O</Account>

</Artifact>

<Artifact>

<ArtifactId>1</ArtifactId>

<Account>G</Account>

<Account>O</Account>

</Artifact>

<Process>

<ProcessId>1</ProcessId>

<Account>G</Account>

</Process>

<Process>

<ProcessId>2</ProcessId>

<Account>O</Account>

</Process>

<Process>

<ProcessId>3</ProcessId>

<Account>O</Account>

</Process>

<Used ProcessId = "1" Role = "in" ArtifactId = "1">

<Account>G</Account>

</Used>

<Used ProcessId = "2" Role = "pair" ArtifactId = "1">

<Account>O</Account>

</Used>

<Used ProcessId = "3" Role = "in" ArtifactId = "3">

<Account>O</Account>

</Used>

<Used ProcessId = "4" Role = "in" ArtifactId = "4">

<Account>O</Account>

</Used>

<Used ProcessId = "5" Role = "left" ArtifactId = "5">

<Account>O</Account>

</Used>

<Used ProcessId = "5" Role = "right" ArtifactId = "6">

<Account>O</Account>

</Used>

<WasGeneratedBy ArtifactId = "2" Role = "out" ProcessId = "1">

<Account>G</Account>

</WasGeneratedBy>

<Alternate Account1 = "O" Account2 = "G"/>

</OPMGraph>

vistrails xml model
Vistrails XML Model

<vistrail dbHost="" dbName="" dbPort="" id="" name="" version="0.9.0" xmlns:xsi="http://www.w3.org/...">

<action date="2008-05-27 17:35:39" id="1" prevId="0" prune="" session="" user="g-tomel">

<add id="0" objectId="0" parentObjId="" parentObjType="" what="module">

<module cache="1" id="0" name="String" package="edu.utah.sci.vistrails.basic" tag="" version="" />

</add>

<add id="1" objectId="0" parentObjId="0" parentObjType="module" what="location">

<location id="0" x="-89.0" y="62.0" />

</add>

</action>

<action date="2008-05-27 17:35:43" id="2" prevId="1" prune="" session="" user="g-tomel">

<add id="2" objectId="1" parentObjId="" parentObjType="" what="module">

<module cache="1" id="1" name="ConcatenateString" package="edu.utah.sci.vistrails.basic" tag="" version="" />

</add>

<add id="3" objectId="1" parentObjId="1" parentObjType="module" what="location">

<location id="1" x="-20.0" y="-67.0" />

</add>

</action>

<action date="2008-05-27 17:35:46" id="3" prevId="2" prune="" session="" user="g-tomel">

<add id="4" objectId="0" parentObjId="" parentObjType="" what="connection">

<connection id="0" />

</add>

<add id="5" objectId="1" parentObjId="0" parentObjType="connection" what="port">

<port id="1" moduleId="1" moduleName="ConcatenateString" name="str1" spec="(edu.utah.sci.vistrails.basic:String)" type="destination" />

</add>

<add id="6" objectId="0" parentObjId="0" parentObjType="connection" what="port">

<port id="0" moduleId="0" moduleName="String" name="value" spec="(edu.utah.sci.vistrails.basic:String)" type="source" />

</add>

</action>

</vistrail>

vistrails xml model translated to opm
Vistrails XML Model: Translated to OPM

<Agent>

<AgentId>concat.xml</AgentId>

<Agent>G</Agent>

</Agent>

<Artifact>

<ArtifactId>0</ArtifactId>

<Account>G</Account>

</Artifact>

<Artifact>

<ArtifactId>1</ArtifactId>

<Account>G</Account>

</Artifact>

<Artifact>

<ArtifactId>2</ArtifactId>

<Account>G</Account>

</Artifact>

<Artifact>

<ArtifactId>3</ArtifactId>

<Account>G</Account>

</Artifact>

<Process>

<ProcessId>1</ProcessId>

<Account>G</Account>

</Process>

<Process>

<ProcessId>2</ProcessId>

<Account>G</Account>

</Process>

<Process>

<ProcessId>3</ProcessId>

<Account>3</Account>

</Process>

<Used ProcessId = "1" Role = "in" ArtifactId = "0"stopTimeBegin = "2008-05-27 17:35:39"

stopTimeEnd = "2008-05-27 17:35:39">

<Account>G</Account>

</Used>

<Used ProcessId = "2" Role = "in" ArtifactId = "1" stopTimeBegin = "2008-05-27 17:35:43" stopTimeEnd = "2008-05-27 17:35:43">

<Account>G</Account>

</Used>

<Used ProcessId = "3" Role = "in" ArtifactId = "2” stopTimeBegin = "2008-05-27 17:35:46" stopTimeEnd = "2008-05-27 17:35:46">

<Account>G</Account>

</Used>

<WasGeneratedBy ArtifactId = "1" Role = "out" ProcessId = "1” stopTimeBegin = "2008-05-27 17:35:39”

stopTimeEnd = "2008-05-27 17:35:39">

<Account>G</Account>

</WasGeneratedBy>

<WasGeneratedBy ArtifactId = "2" Role = "out" ProcessId = "2” stopTimeBegin = "2008-05-27 17:35:43" stopTimeEnd = "2008-05-27 17:35:43">

<Account>G</Account>

</WasGeneratedBy>

<WasGeneratedBy ArtifactId = "3" Role = "out" ProcessId = "3” stopTimeBegin = "2008-05-27 17:35:46" stopTimeEnd = "2008-05-27 17:35:46">

<Account>G</Account>

</WasGeneratedBy>

<WasControlledBy ProcessId = "1" AgentId = "concat.xml" startTimeBegin = "2008-05-27 17:35:39”

startTimeEnd = "2008-05-27 17:35:39”

stopTimeBegin = "2008-05-27 17:35:39”

stopTimeEnd = "2008-05-27 17:35:39">

<Account>G</Account>

</WasControlledBy>

<WasControlledBy ProcessId = "1" AgentId = "concat.xml" startTimeBegin = "2008-05-27 17:35:43" startTimeEnd = "2008-05-27 17:35:43" stopTimeBegin = "2008-05-27 17:35:43" stopTimeEnd = "2008-05-27 17:35:43">

<Account>G</Account>

</WasControlledBy>

<WasControlledBy ProcessId = "1" AgentId = "concat.xml" startTimeBegin = "2008-05-27 17:35:46" startTimeEnd = "2008-05-27 17:35:46" stopTimeBegin = "2008-05-27 17:35:46" stopTimeEnd = "2008-05-27 17:35:46">

<Account>G</Account>

</WasControlledBy>

observations
Observations
  • General model
    • Only contains enough information to traverse the provenance graph
    • No additional information stored
  • Different ways of representing workflow design provenance
    • Edges as actions
    • Edges as version differences
observations1
Observations
  • What is the time?
    • How to interpret a time T of a process?
    • Does interpretation affect querying
    • Semantics of intervals
  • Who is the Agent?
    • Users
    • Workflow system
    • The session
    • Workflow specification
  • ”OPM Level 2”?
    • Are ther workflow specifics we want to express