There are three structure genres with five to seven activity structures per genre.
These network activities were collected and categorized into
the Activity Structure classification
by Judi Harris,
Department of Curriculum and Instruction; 406 Sanchez
Building; University of Texas at Austin; Austin, TX
They were converted to HTML by Jim Levin, firstname.lastname@example.org; College of Education; University of Illinois, Urbana-Champaign; Champaign, IL 61820.
Many of Judi Harris' "Mining the Internet" columns from The Computing Teacher are available on the Learning Resource Server at the College of Education, University of Illinois, Urbana-Champaign.