I RISE NOW TO SPEAK with the assumption that all of you know very well what, I am going to say. I am the humanist here, the professor of English. We humanists, when asked to speak on questions of science and technology, arc notorious for offering an embarrassed and ignorant respect toward those matters, a respect, however, which can all too quickly degenerate into insolent condescension. Face t...

development in this state. Q & A agrees with Mistry that two major “push” factors that are making producers in his part of Europe look elsewhere are tough environmental laws and limited agricultural land that is costly and increasingly hard to find. “There’s no doubt that the environmental laws in northern Europe are a lot tighter than they are here,” says Van der Sluis. “It’s almost impossible...

Although planning for the tasks a household robot has to perform appears to be easy, there exists the problem that the robot is usually uncertain about the state of the household when starting to plan. For example, when getting the order of tidying up the kitchen, the robot does not know what objects it will have to put away and whether there are actually any objects that need to be put away. F...

In this paper, in addition to some elementary facts about the ultra-groups, which their structure based on the properties of the transversal of a subgroup of a group, we focus on the relation between a group and an ultra-group. It is verified that every group is an ultra-group, but the converse is not true generally. We present the conditions under which, for every normal subultra-group of an u...

As service robots become more and more capable of performing useful tasks for us, there is a growing need to teach robots how we expect them to carry out these tasks. However, different users typically have their own preferences, for example with respect to arranging objects on different shelves. As many of these preferences depend on a variety of factors including personal taste, cultural back...

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Ongoing educational discussions on e-portfolios assume that the appropriate use of this relatively new so ware tool can improve the e ciency and e ectiveness of learning. A large and growing body of literature examines the various features of the so ware and the di erent kinds of application scenarios that exist for instruction and education. Given this explosion of interest, it should be ...

Output retrenchment, a type of retrenchment in which when the retrieve relation is reestablished for an after-state, it is strengthened by a relation on outputs, is introduced and studied. The output relation balances syntactically the statements that can be made about the 'successful transitions', as against the statements that can be made about the transitions that merely establish the conced...