منابع مشابه
Aletras, Nikolaos, Timothy Baldwin, Jey Han Lau and Mark Stevenson (to appear) Representing Topics Labels for Exploring Digital Libraries, In Proceedings of Digital Libraries 2014, London, UK
Topic models have been shown to be a useful way of representing the content of large document collections, for example via visualisation interfaces (topic browsers). These systems enable users to explore collections by way of latent topics. A standard way to represent a topic is using a set of keywords, i.e. the top-n words with highest marginal probability within the topic. However, alternativ...
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Urban data ranging from images and laser scans to traffic flows are regularly analyzed and modeled leading to better scene understanding. Commonly used computational approaches focus on geometric descriptors, both for images and for laser scans. In contrast, in urban planning, a large body of work has qualitatively evaluated street networks to understand their effects on the functionality of ci...
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Tfze claim is made that society is evolving from one whose formal communication patterns have~ for centuries, been based primarily on print on paper to one in which communication channels will be largely paperless (electronic). Some reasons why this transition seems inevitable are discussed. A scenario for a paperless communication system is presented, and some technological achievements that l...
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In this paper we consider stationary pure exchange overlapping generations models with n goods in each period. ¥e argue that for a model with non-zero stock of nominal debt there is potentially an n 1 dimensional indeterminacy. Thus relative prices within a period can be indeterminate. Although our results agree with those previously known for the case where there is one good in every period, t...
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ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/192592b0