منابع مشابه
Keyword selection method for characterizing
Characterization of subsets of data is a recurring problem in data mining. We propose a keyword selection method that can be used for obtaining characterizations of clusters of data whenever textual descriptions can be associated with the data. Several methods that cluster data sets or form projections of data provide an order or distance measure of the clusters. If such an ordering of the clus...
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Many tasks in speech processing involve classification of long term characteristics of a speech segment such as language, speaker, dialect, or topic. A natural technique for determining these characteristics is to first convert the input speech into a sequence of tokens such as words, phones, etc. From these tokens, we can then look for distinctive phrases, keywords, that characterize the speec...
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A probabilistic method is used for word sense disambiguation where the features taken are the surrounding six words. As their surface forms are used, no syntactic or semantic analysis is required. Despite its simplicity, this method is able to disambiguate the noun interest accurately. Using the common data set of (Bruce & Wiebe 94), we have obtained an average accuracy of 86.6% compared with t...
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In sponsored search, the ad selection algorithm is used to pick out the best candidate ads for ranking, the bid keywords of which are best matched to the user queries. Existing ad selection methods mainly focus on the relevance between user query and selected ads, and consequently the monetization ability of the results is not necessarily maximized. To this end, instead of making selection base...
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In modern applications, spatial objects are often annotated with textual descriptions, and users are offered the opportunity to formulate spatio-textual queries. The result set of such a query consists of spatio-textual objects ranked according to their distance from a desired location and to their textual relevance to the query. In this context, a challenging problem is how to select a set of ...
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ژورنال
عنوان ژورنال: Sudan Journal of Medical Sciences
سال: 2020
ISSN: 1858-5051,1858-8530
DOI: 10.18502/sjms.v15i3.7747