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چکیده
منابع مشابه
Citation Indexes Can Help Halt the Spread of Fraudulent Research
Last May at the American Medical Association’s International Congress on Peer Review in Biomedical Publication, I presented a report on the impact of fraud on scientific literature. Much of the current debate on this issue has focused on the small, but growing, number of papers reporting falsified research that escape the traditional quality control filter of peer review. But little attention h...
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Mining natural language text for real world applications can benefit from a data representation that encodes semantic structure. Tree-based features, however, limit the available learning methods. This paper presents a study where semantic frames are used to mine financial news so as to quantify the impact of news on the stock market. We represent news documents in a novel semantic tree structu...
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This paper presents a study where semantic frames are used to mine financial news so as to quantify the impact of news on the stock market. We represent news documents in a novel semantic tree structure and use tree kernel support vector machines to predict the change of stock price. We achieve an efficient computation through linearization of tree kernels. In addition to two binary classificat...
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Before NASA launched its Viking landers to Mars in 1975, Carl Sagan suggested that the Red Planet might harbor “organisms ranging in size from ants to polar bears.” Afterward, he acknowledged that nothing in the landers’ images could be taken as a sign of advanced life. There was one rock, however, that appeared to be inscribed with the letter “B.” But Sagan held off on any sort of celebration....
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2018
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1818892115