Post-editing is commonly performed on computer-generated texts, whether from Machine Translation (MT) or NLG systems, to make the texts acceptable to end users. MT systems are often evaluated using post-edit data. In this paper we describe our experience of using post-edit data to evaluate SUMTIME-MOUSAM, an NLG system that produces marine weather forecasts.

This paper tackles the problem of detecting abrupt changes in the mean of a heteroscedastic signal by model selection, without knowledge on the variations of the noise. A new family of change-point detection procedures is proposed, showing that cross-validation methods can be successful in the heteroscedastic framework, whereas most existing procedures are not robust to heteroscedasticity. The ...

A recurring theme of this column over the past four years has been what we have referred to as computer-generated mysteries. Examples are sequences defined by simple rational recursions whose terms turn out to be integers with interesting but unexplained divisibility properties, or geometric configurations that are observed to exist although there are no proofs of existence. In most of the exam...

This paper describes the technical and aesthetic challenges faced in the recent software-based recreation of composer Dexter Morrill’s work Sea Songs for soprano voice, computer-generated tape and Radio-Baton controlled hardware effects-processor. Through careful analysis of the composer’s own notes as well as through extensive testing of Morrill’s original Digitech TSR-24 stereo-effects proces...

for all nonnegative integers n (Problem E3376 of Amer. Math. Monthly 97, March 1990, proposed by R. J. Blodgelt). Up to now not too much is known concerning structure and symbolic manipulation of binomial multiple-sum identities. Thus the interest in a ”computer-generated” proof of (1.1) or, more general, of identities of similar type basically arises from the question whether similar algorithm...

The BARTA (Bolton Affect Recognition Tri-Stimulus Approach) is a unique database comprising over 400 colour images of the universally recognised basic emotional expressions and is the first compilation to include three different classes of validated face stimuli; emoticon, computer-generated cartoon and photographs of human faces. The validated tri-stimulus collection (all images received ≥70% ...

A quantitative comparison of real and computer-generated (model) cement paste microstructures based on the analysis of threedimensional image sets is presented. In addition to a visual presentation of extracted two-dimensional images, the comparison is based on the calculation of the normalized two-point correlation function for a variety of phases including unhydrated cement, hydration product...

We study families of quadratic maps in an attempt to understand the role of dependence on parameters of unimodal maps and its relationship with the computer-generated chaos observed in numerical simulations. Our specific goal is to give conditions on this dependence to avoid chaotic situations. We show several examples that describe in some generality the qualitative properties of quadratic maps.

• " … make a computer so imbedded, so fitting, so natural, that we use it without even thinking about it. " • " Ubiquitous (pervasive) computing is roughly the opposite of virtual reality. Where virtual reality puts people inside a computer-generated world, ubiquitous computing forces the computer to live out here in the world with people. " – Mark Weiser, Xerox PARC