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3 total messages Started by muru Sun, 29 Jul 1990 21:27
Re: Group Calendar Sharing
#226
Author: muru
Date: Sun, 29 Jul 1990 21:27
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I am a newcomer to the interesting calendar/scheduling discussion that I
believe has been going on for some time. Among the important conclusions from
the discussion are:
a) Scheduling meetings differ considerably depending on the office environment.
b) An "agent" may be used to negotiate mutually agreeable meeting times.
c) Scheduling systems are more likely to be accepted widely if participants can
   maintain their individual calendar on a portable computer and "dock" them
   frequently (possibly once or twice a day) so that it is available online.
d) The issue of "Is it beneficial for one to look behind another's calendar"
   still remains an issue.


a) The prominent scenarios for an office scheduling are:
1) Each participant has equal access to anyone's calendar (can R/W on any
   calendar).
2) Same as 1 except that s/he can R anyone's calendar but only W his or her
   calendar.
3) A select group of participants (typically managers) having R access
   to all calendar's but (in)directly having W access to all (or most)
   calendars. Situations for this scenario was pointed out by Scott McGregor
   mcgregor@hemlock.Atherton.COM - Article 236.

Technically, scenario 2) seems to be the most appropriate for which scheduling
systems should be aimed at.


b) An agent to negotiate a meeting transaction.
Craig Fields <1990Jul25.045719.21115@mintaka.lcs.mit.edu> has implemented(?)
an application that uses a mail server (agent) that negotiates with the 
participants. I believe this feature would be very useful if the the
participants get to see the counter-proposal by a participant who cannot
attend a (tentatively) scheduled meeting. Of course, if the scheduling user 
decided that the participant(s) who cannot make it to the tentatively 
scheduled meeting are not crucial, s/he may confirm the meeting with the other
participants.


c) Portability of calendar
Susan Ehlrich [TOOIS, Oct 87] and Grudin [CSCW 88] describe situations in which
scheduling systems may be successful when scenarios require or is beneficial
to maintain uptodate online calendars.
I agree with Scott and Alan <WEX.90Jul26125605@dali.pws.bull.com> that 
portability is a prime concern to the success of online calendars/scheduling 
systems.

I would like to know scenarios in which online scheduling is compelling,
thereby making participants maintain uptodate online calendars.



d) "Is it beneficial for one to look behind another's calendar"
In article 233, Time Shea <SHEA.90Jul24181213@edson.East.Sun.COM> claims that
it is "not very" important for one to see inside others' calendars. I argue
that it may be important in resolving many meeting conflicts. The following
discussion is based on a priority-based, graphical scheduling system (called
Visual Scheduler or VS) that I had worked on in school three years back. A
paper on this system is scheduled to appear in CSCW '90 proceedings.

VS allows a participant to assign a priority to each event which is depicted
by a different shading. Also, a participant can leave a short description of 
the event which then appears on the graphical display of the calendar.
The scheduling is darker for high-priority events and lighter for low-priority 
events. A scheduling user quickly locates mutually acceptable time slots by 
stacking the participants' calendars together and looking for an open slot. 
If none is found, the least disruptive time is the one that admits the most 
light. In case of conflicts (as often is the case), a scheduling user can
look behind the stacked calendar transparencies to see a list of the 
participants blocking a time slot. S/he can make a spontaneous decision to 
schedule a meeting depending on whether a participant is crucial to a meeting
or whether s/he thinks a participant can be asked to reschedule a prior event.
Also, a participant can leave a short description of the event which then
appears on the graphical display of the calendar. 



I would appreciate if someone could post a summary of the important conclusions
drawn from previous discussions on this topic that I have missed. 


muru palaniappan
Re: Group Calendar Sharing
#227
Author: Kevin Crowston
Date: Sun, 29 Jul 1990 23:45
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Actually, there's a distinction beyond the importance of a meeting
that I think is important for more automated calendar agents to take
into account and that is rescheduability (pardon the hideous
neologism).  Some very important appointments are easy to reschedule
and I would be willing to move them to be able to attend another
meeting (e.g., a meeting with a member of my research group who's
around every day); others are perhaps not so important but fixed
(e.g., public lectures or seminars).  Depending on the amount of
notice, appointments might move from one category to another; e.g.,
given a few week's notice, I can change a doctor's appointment; given
only a few days, it's essentially fixed.

This particular feature of meetings is relatively common for people to
discuss when negotiating over a meeting time (e.g., "How about 3?"
"I'll have to see if I can move my other appointment and get back to
you." vs. "There's a seminar I wanted to attend" (i.e., if there's no
other time, then okay, but I'd sooner not)) but does not seem to be
either easy to make explicit (i.e., exactly which appointments are you
willing/able to reschedule?  How easy is it to move this meeting vs.
that meeting?) or often represented in computerized calendars.

However, it's also one that a computerized calendar system might offer
a significant advantage in handling.  In particular, rather than your
having to check with the other person, change your appointment and then
call back the original requestor, your calendar agent could do it all
for you (or as much as you wanted to let it) and simply present you
with a message saying, e.g., "The best time for the group meeting was
3; you were scheduled with Bob then, but he can make it at 4 instead;
shall I go ahead and change your schedule and confirm these two new
meetings?"

Kevin
Re: Group Calendar Sharing
#229
Author: Scott McGregor
Date: Tue, 31 Jul 1990 17:44
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In article <46147@brunix.UUCP>, muru@iris.brown.edu writes:

> a) The prominent scenarios for an office scheduling are:
> 1) Each participant has equal access to anyone's calendar (can R/W on any
>    calendar).
> 2) Same as 1 except that s/he can R anyone's calendar but only W his or her
>    calendar.
> 3) A select group of participants (typically managers) having R access
>    to all calendar's but (in)directly having W access to all (or most)
>    calendars. Situations for this scenario was pointed out by Scott McGregor
>    mcgregor@hemlock.Atherton.COM - Article 236.
> 
> Technically, scenario 2) seems to be the most appropriate for which
scheduling
> systems should be aimed at.
> 

> I would appreciate if someone could post a summary of the important
conclusions
> drawn from previous discussions on this topic that I have missed. 

Considering the scenarios above, scenarios 1) and 3) have the opportunity for
most leverage as groupware, that is, a technology that fundamentally
changes the way all members work.  Scenario 2) is most like a
personal productivity tool, in that everyone still has to go through
the personal work of doing the scheduling requested of them.  You can
really see this clearly in the interactions that are done to actually
get a meeting scheduled--typically mail system mediated propose-and-formalize
type negotiations.  In some cases these negotiations are via agents instead
of direct person to person, in which some additional groupware type
support is perceived, though perhaps less than if the user MUST
involve themselves in meeting negotiation when they would not care
or have a choice.  Since scenario 2) has more personal productivity
tool attributes and less groupware attributes, it is less subject
to problems that arise from machine mediated interpersonal control.

Scenarios 1 and 3 do significantly change the way individuals participate
in group actions.  This can lead to threatening machine mediated interpersonal
control, but also offers the opportunity to significantly reduce the amount
of personal overhead work needed to conduct group activities.  Details
in the construction of the system and its suitability for the specific
workgroup with its existing work cultural norms are crucial for acceptance.
Because work cultures vary so widely and details matter so much, this
does not bode well for a single product getting wide acceptance, and
may therefore inhibit development of such systems.

Scott McGregor
mcgregor@atherton.com
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