“…Managing task / subtask Polymer (Croft and Lefkowitz, 1988) relationship (goal decomposition) Group decision-making gIBIS (Conklin and Begeman, 1988) Group decision-making Sibyl (Lee, 1990) electronic meeting rooms (e.g., Stefik, et al, 1987;Dennis, et al, 1988;DeSanctis & Gallupe, 1987) Communication Electronic mail, Computer conferencing (e.g., Lotus, 1989) electronic meeting rooms (e.g., Stefik, et al, 1987;Dennis, et al, 1988;DeSanctis and Gallupe, 1987) Information Lens collaborative authoring tools (e.g., Fish, et al, 1988;Ellis, et al, 1990;Neuwirth, et al, 1990) Table 4. A taxonomy of cooperative work tools based on the processes they support assign tasks), but we have categorized the systems here according to the processes they explicitly emphasize.…”