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Early author profiling on Twitter using profile features with multi-resolution
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DOI：10.1016/j.eswa.2019.112909.png)
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Abstract
En 中文
The Author Profiling (AP) task aims to predict demographic characteristics about the authors from documents (e.g., age, gender, native language). The research so far has focused only on forensic scenarios by performing post-analysis using all the available text evidence. This paper introduces the task of Early Author Profiling (EAP) in Twitter. The goal is to effectively recognize profiles using as few tweets as possible from the user history. The task is highly relevant to support social media analysis and different problems related to security and marketing, where prevention and anticipation is crucial. This work proposes a novel strategy that combines a state of the art representation for early text classification and specialized word-vectors for author profiling tasks. In this strategy we build prototypical features called Profile based Meta-Words, which allow us to model AP information at different levels of granularity. Our evaluation shows that the proposed methodology is well suited for profiling little text evidence (e.g., a handful of tweets) in early stages, but as more tweets become available other granularities better encode larger amounts of text in late stages. We evaluated the proposed ideas on gender and language variety identification for English and Spanish, and showed that the proposal outperforms state of the art methodologies. (C) 2019 Elsevier Ltd. All rights reserved.
Keywords:
Early text classification
Author profiling
Social media analysis
Text mining
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