Included in the transcript of this semiannual meeting of the Assocation of Research Libraries (ARL) are the following: (1) papers by Sharon Hogan on the definition of data in an online environment, by John Black on ways of communicating data, and by Peter Wolters on data sharing and library networking in the United States and Canada; (2) a record of the discussion following these presentations; (3) papers by Russell Shank and Nancy Brown on the implications of the online environment for academic institutions and academic libraries respectively; and (4) a transcript of reactions to the day's presentations by Joseph Rosenthal, Alan MacDonald, and Stuart Forth. Ten reports from the ARL business meeting are also presented. Appendices comprise a description of the iNet Gateway Trial by Cynthia Durance; background papers on library networks, including "Library Networks: The Canadian Experience," by Basil Stuart-Stubbs, "The Research Libraries Group's (RLG) Research Libraries Information Network (RLIN)," by Tina Kass and John Schroeder, "Networking 1983: Some Comments from OCLC," by Rowland C.W. Brown, "Network-Level Decisions: Basis and Key Issues," by Henriette Avram, and "Initiatives Toward a Bibliographic Communications Network for Canada," by Cynthia J. Durance; three additional ARL reports; a list of meeting participants; lists of ARL officers, directors, committees, task forces, and members; the membership list of the Canadian ARL; and the auditor's report for 1982. (ESR)