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This paper presents FunctionalForms, a combinator library for constructing fully functioning forms in a concise and flexible way. A form is a part of a graphical user interface (GUI) restricted to displaying a value and allowing the user to modify it. The library is built on top of the medium-level GUI library wxHaskell. To obtain complete separation(More)
When dealing with sensors with different time resolutions, it is desirable to model a sensor reading as pertaining to a time interval rather than a unit of time. We introduce two variants on the Hidden Markov Model in which this is possible: a reading extends over an arbitrary number of hidden states. We derive inference algorithms for the models, and(More)
We propose a unified and complete solution for expert finding in organizations, including not only expertise identification, but also expertise selection functionality. The latter two include the use of implicit and explicit preferences of users on meeting each other, as well as localization and planning as important auxiliary processes. We also propose a(More)
Forms are parts of a graphical user interface (GUI) that show a (struc-tured) value and allow the user to update it. Some forms express a choice between two or more (structured) values using radio buttons or check boxes. We show that explicitly modelling such a choice leads to a cleaner separation of logic and layout. This is done by extending the(More)
a b c d e C1 C2 Some clusters (C1, C2) of granules In sensor data management, it is often useful to collect statistics about state changes of an observed phenomenon. The most basic case is to keep track of how often certain transitions, e.g. from state c to d, have occurred. In our research, we consider a discrete state space and timeline. For example, in(More)