Professor and Wizard
Department of Computer Science
University of Pittsburgh
Pittsburgh, PA 15260, U.S.A.

E-mail:  chang@cs.pitt.edu
Office:  6101 Sennott Square Bldg.
Phone and Fax:   412-624-8423

About the Wizard

(Click on Master Yoda's picture to find out his false identity)

Technical Publications

Smart Image System: (Patent US5974201 issued Oct 26, 1999)
FaceAlive Icons: Icons for animated emotional expressions (Technology Review Today, March 27, 2007)
Chronobot: Device and method for time and knowledge exchange and management (Patent US7827067 issued November 2, 2010)


  • A Special Issue in honor of Yoda was published in Journal of Visual Languages and Computing, Vol. 38, 2017
  • The 2017 S K Chang Best Paper Award went to: Situated Analytics: Demonstrating immersive analytical tools with Augmented Reality by Neven A. M.ElSayed, Bruce H. Thomas, Kim Marriott, Julia Piantadosi and Ross T. Smith (Journal of Visual Languages and Computing 36, 2016, 13-23)
  • Yoda's novel, The City Trilogy, was taught in ENGL 2400 World Literature in Spring 2017 and ENGL 3290 Asian Amer Lit/GRBK 2010 Great Books of Modern China in Fall 2017 by Prof. Su-ching Huang at East Carolina University
  • A TV/Movie production studio in China is considering to adapt Yoda's novel, The City Trilogy, as well as his short stories, to the silver screen
  • IBM Faculty Innovation Award: Intelligent Interface Design for Smarter Healthcare (November 5, 2010)
  • Hewlett International Grant: International Collaborative Research on Slow Intelligence Systems (October 2011)

    Journal of Software Engineering & Knowledge Engineering edited by Master Yoda (IJSEKE is covered in the CompuMath Citation Index CMCI)
    Journal of Visual Languages and Computing edited by Yoda until 2016
    Journal of Distance Education Technologies co-edited by Yoda (JDET is covered in Compendex of Elsevier Engineering Information)
    Journal of Computer Processing of Oriental Languages co-edited by Yoda

    Courses Currently or Recently taught by Yoda

    CS2310 Multimedia Software Engineering
    CS2650 Distributed Multimedia Systems
    CS3650 Visual Languages and Programming
    CS1530 Software Engineering
    CS1555 Database Systems
    CS1631 Software Design Methodology
    CS1635 Interface Design Methodology
    CS0699 Visual Languages and Modelling
    CS0132 C and Unix
    CS0134 Web Design and Development

    Recent technical books: Handbook of Software Engineering and Knowledge Engineering (ed., Vol. I 2001, 926 pages, Vol. II 2002, 794 pages, Vol. III 2005, 518 pages), Multimedia Software Engineering (2000) and Symbolic Projection for Image Information Retrieval and Spatial Reasoning (1996)

    Literary publications, Empires and Taike (2008), science fiction lectures, essays V-topia (2001) and science fiction novel The City Trilogy (Columbia University Press, New York, 2003 ISBN 0-231-12852-5)

    Yoda's SciFi WebSite

    Short story by Yoda: Nocturne (A patent on chronobot described in this story was issued by US Patent Office in 2010. English version was published in Bridges Around the World: A Global Anthology of Short Stories, M. Lee, Ed. Temenos Pub. May 2012 ISBN 978-0984619955, and received a raving review from the International Short Story Forum)
    Short story by Yoda: A Storm Wind's Blowing
    Short story by Yoda: Fiery Mountain
    Short story by Yoda: Strange Tale of the Black Stone
    Short story by Yoda: Love Bridge
    Short story by Yoda: Dragon Seed

    Yoda C (right) talking to Yoda G (left), the Nobel laureate in literature
    The Joy of Computing (2001 new edition)