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Paper detail

Improving random walk rankings with feature selection and imputation

The Science4cast Competition consists of predicting new links in a semantic network, with each node representing a concept and each edge representing a link proposed by a paper relating two concepts. This network contains information from 1994-2017, with a discretization of days (which represents the publication date of the underlying papers). Team Hash Brown's final submission, \emph{ee5a}, achieved a score of 0.92738 on the test set. Our team's score ranks \emph{second place}, 0.01 below the winner's score. This paper details our model, its intuition, and the performance of its variations in the test set.

preprint2021arXivOpen access
Ngoc Mai TranYangxinyu Xie
Social and Information NetworksMachine Learning
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Ngoc Mai TranYangxinyu Xie

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