APSAT: A Framework for Modeling and Analysis of Workflow Dynamics in Mission-Centric Systems Conference Paper

abstract

• In this paper, we propose a flexible framework to accomplish workflow modeling from network traffic, the Access Profile Statistical Analysis Tool (APSAT). In APSAT, workflow modeling is decomposed into four layers: packet flows, Resource Access Actions (RAA), workflow periods, and workflow behavior. We develop a novel approach to compress packet flows into expressive human actions using our Behavior Description Grammar (BDG). We illustrate a new algorithm to detect workflow shifts, where human action streams statistically deviate from an observed pattern of usage. One can infer semantics from workflow periods, the intervals between workflow shifts, and identify these shifts as a possible indicator of group actions. For its evaluation, a prototype of APSAT monitors file access from a series of scripted workflow simulations. It is found that a strong relationship exists between workflows and workflow-driven file access patterns. 2012 IEEE.

name of conference

• 2012 International Conference on Collaboration Technologies and Systems (CTS)

authors

• Liu, Jyh

published proceedings

• 2012 International Conference on Collaboration Technologies and Systems (CTS)

author list (cited authors)

• Pecarina, J., & Liu, J.

citation count

• 1

complete list of authors

• Pecarina, John||Liu, Jyh-Charn

publication date

• January 2012

publisher

• Institute of Electrical and Electronics Engineers (IEEE)  Publisher

keywords

• Bioengineering

Digital Object Identifier (DOI)

• 10.1109/cts.2012.6261108

International Standard Book Number (ISBN) 13

• 9781467313803

start page

• 575

end page

• 582

URL

• http%3A%2F%2Fdx.doi.org%2F10.1109%2Fcts.2012.6261108