Neural storyline extraction model for storyline generation from news articles

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Abstract

Storyline generation aims to extract events described on news articles under a certain topic and reveal how those events evolve over time. Most existing approaches first train supervised models to extract events from news articles published in different time periods and then link relevant events into coherent stories. They are domain dependent and cannot deal with unseen event types. To tackle this problem, approaches based on probabilistic graphic models jointly model the generations of events and storylines without annotated data. However, the parameter inference procedure is too complex and models often require long time to converge. In this paper, we propose a novel neural network based approach to extract structured representations and evolution patterns of storylines without using annotated data. In this model, title and main body of a news article are assumed to share the similar storyline distribution. Moreover, similar documents described in neighboring time periods are assumed to share similar storyline distributions. Based on these assumptions, structured representations and evolution patterns of storylines can be extracted. The proposed model has been evaluated on three news corpora and the experimental results show that it outperforms state-of-The-Art approaches accuracy and efficiency.

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CITATION STYLE

APA

Zhou, D., Guo, L., & He, Y. (2018). Neural storyline extraction model for storyline generation from news articles. In NAACL HLT 2018 - 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies - Proceedings of the Conference (Vol. 1, pp. 1727–1736). Association for Computational Linguistics (ACL). https://doi.org/10.18653/v1/n18-1156

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