منابع مشابه
When is it better not to look ahead?
In situations where one needs to make a sequence of decisions, it is often believed that looking ahead will help produce better decisions. However, it was shown 30 years ago that there are “pathological” situations in which looking ahead is counterproductive. Two long-standing open questions are (a) what combinations of factors have the biggest influence on whether lookahead pathology occurs, a...
متن کاملWhen is it better not to know everything?
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متن کاملWhen Is More Not Better?
It is often assumed that when sensing in autonomous robot navigation, the more measurements taken, the better. In many cases, this is indeed true. However, we have found that in an outdoor, unstructured environment where the number of possible measurements one can take is limited and error is not normally distributed, additional measurements may cause more harm than good. These “rogue” measurem...
متن کاملWhen is it Better to Compare than to Score?
When eliciting judgements from humans for an unknown quantity, one often has the choice of making direct-scoring (cardinal) or comparative (ordinal) measurements. In this paper we study the relative merits of either choice, providing empirical and theoretical guidelines for the selection of a measurement scheme. We provide empirical evidence based on experiments on Amazon Mechanical Turk that i...
متن کاملIs it better to be injured when you are pregnant?
THERE HAS BEEN MUCH INVESTIGATION into the differential effects of sex hormones on the response to injury and hemorrhage. The preponderance of experimental reports have demonstrated that the hormonal milieu, in particular, increased levels of 17b-estradiol and decreased testosterone, affects cell-mediated immunity and organ system tolerance of shock through complex receptor-mediated and cell-sp...
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ژورنال
عنوان ژورنال: Artificial Intelligence
سال: 2010
ISSN: 0004-3702
DOI: 10.1016/j.artint.2010.08.002