We present methods employed in COORDINATE, a prototype service that supports collaboration and communication by learning predictive models that provide forecasts of users’ presence and availability. We describe how data is collected about user activity and proximity from multiple devices, in addition to analysis of the content of users’ calendars, the time of day, and day of week. We review app...

Personal tasks are managed with a variety of mechanisms from To-Do lists to calendars to emails. Task management remains challenging, since many tasks are interrelated, some may depend on other people’s tasks to be accomplished, and their priority and status changes over time. While many tasks could be automated by services and agents available on the Web, To-Do lists often capture tasks in tex...

Web-based education and training programs are becoming widely offered at education institutions and companies today. The new electronic learning, or e-learning, systems employed by these programs may also be used by work teams at organizations for facilitating creative energy in a virtual context to increase team performance. Various features such as discussion boards, virtual classrooms, digit...

Privacy perservation, in terms of sensitive data access and management, is an important feature of decentralized calendar systems. Indeed, when users delegate their sensitive data such as timetables to an autonomous agent, this one executes many automatic data processing without their intervention: users lost a part of their data control. To tackle this problem, we propose in this article to ex...

THERE does not seem at first sight to be much connection between a mediaeval Council of the Church, with the cardinal archbishops magnificent in their scarlet robes, and the resident pupil of the Royal Victoria Hospital in his plain white coat: and yet, if a great council had not met at Tours in the year 1163, resident pupils might not today be strolling down the long corridor of our Hospital. ...

This paper asks how academic breaks after high school affect individuals’ college and labor market outcomes. We exploit a policy that altered calendars in two regions of Colombia, which caused thousands graduates to have wait an extra semester start college. Using administrative data synthetic control design, we show the break many students forgo enrolling at all. The reduced early-career earni...

We analyse gender differences in the response of smallholder farmers to droughts, taking duration and severity event into account. Using a novel weather shock measure that combines spatial rainfall data with detailed cropping calendars, survey from Uganda standard econometric techniques, we find adverse events provide an opportunity for women enter commercial crop market by allocating land subs...

Computational infrastructures for cooperative work should contain embedded agents for handling many routine tasks (Galegher, Kraut, Egldo 1990), but as the number of agents increases and the agents become geographically and/or conceptually dispersed, supervision of the agents will become increasingly problematic. We argue that agents should be provided with deep domain knowledge that allows the...

We have extended OWL-Time to support the encoding of temporal position in a range of reference systems, in addition to the Gregorian calendar and conventional clock. Two alternative implementations are provided: as a pure extension or OWL-Time, or as a replacement, both of which preserve the same representation for the cases originally supported by OWL-Time. The combination of the generalized t...

We present methods employed in COORDINATE, a prototype service that supports collaboration and communication by learning predictive models that provide forecasts of users' presence and availability. We describe how data is collected about user activity and proximity from multiple devices, in addition to analysis of the content of users' calendars, the time of day, and day of week. We review app...