References

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Chandler, Daniel. Semiotics for Beginners. 5 June 2003 <http://www.aber.ac.uk/media/Documents/S4B/semiotic.html>.

[2] 

Goguen, Joseph. "On Notation." Online posting. 5 June 2003 <http://www.cs.ucsd.edu/users/goguen/pps/notn.ps>.

[3] 

Goguen, Joseph. "An Introduction to Algebraic Semiotics, with Application to User Interface Design." Computation for Metaphor, Analogy and Agents. Ed. Chrystopher Nehaniv. Lecture Notes in Artificial Intelligence. Vol. 1562. Springer, 1999. 242-291.

[4] 

Goguen, Joseph. "CSE 271 Class Notes." CSE 271 Homepage. University of California, San Diego. 5 June 2003 <http://www.cs.ucsd.edu/users/goguen/courses/271/>.

[5] 

Peirce, C.S. The Commens Dictionary of Peirce's Terms. Eds. Mats Bergman, and Sami Paavola. 5 June 2003 <http://www.helsinki.fi/science/commens/dictionary.html>.

[6] 

Shneiderman, Ben. Designing the User Interface. 3rd ed. Addison-Wesley, 1998.