Introduction to Tarvana Workflows

What is a Workflow?

Workflows provide a general technique for describing and enacting a process Describes what you want to do, not how you want to do it Simple language specifies how bioinformatics processes fit together Processes are represented as web services

What is Taverna?

Taverna enables the interoperation between databases A workbench for chaining services together, replicating dataflow, in the and tools by providing a toolkit for composing, executing and managing workflow experiments form of workflows.

Workbench

Run workflow

Double click on file “runme.bat”

Tavana loading

Panes of Taverna

Workbench

Workbench Layout

AME-Advance Model Explorer (bottom left panel) The Advanced Model Explorer (AME- left panel) is the primary editing component within Taverna. Through it you can load.Save and edit any property of a workflow.

Enables

Building

Loading

Editing

Saving workflows

Workflow Diagram Window

Visual representation of workflow

(right hand side)

Shows inputs/outputs,services and control flows

Enable saving of workflow diagrams for publishing and sharing

Avalable Services Panel

Lists services available by default in Tarvana-top left

3000 services

Local java services

Simple web services

Legacy command-line application

Gowlab services

Biomart database services

Biomoby services

Allows theuser to add new services or workflows from the web or from file systems