Chinese neologism discovery with statistics features in social media data

Pao Yue-kong Library Electronic Theses Database

Chinese neologism discovery with statistics features in social media data


Author: Huang, Lifeng
Title: Chinese neologism discovery with statistics features in social media data
Degree: M.Sc.
Year: 2015
Subject: Chinese language -- New words.
Web usage mining.
Social media.
Data mining.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Computing
Pages: v, 69 leaves : illustrations ; 30 cm
Language: English
InnoPac Record:
Abstract: Sentiment analysis has always found its practical use in collecting people’s preferences towards any subject in the context of social media. Unlike normal words available in dictionaries, neologisms are not easy to be labeled with a sentimental direction with current sentimental analysis algorithms. The first barrier to overcome is the need of a reliable neologism detection method. Our work proposes a Chinese neologism detection method based on statistical data ranking and support vector machine (SVM) classification. Statistical data includes frequency, duration of appearance and the number of users using a neologism. Seven different rankings are generated according to different statistics features and feature combinations. The rankings and their differences can be used to select candidate neologisms with the support of SVM. The SVM classifier aims to utilize a proper function f (x,y) with training data, and classify candidate words as “neologism or “neologism with the calculated function value. The experimental results show ranking and their differences are useful information in neologism discovery, and SVM classifier showed a satisfied recall rate as high as 82.22%, the best precision 94.72% and the highest F-value as 85.35%.

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