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    <abstract>Previous work on automatic news timeline summarization (TLS) leaves an unclear picture about how this task can generally be approached and how well it is currently solved. This is mostly due to the focus on individual subtasks, such as date selection and date summarization, and to the previous lack of appropriate evaluation metrics for the full TLS task. In this paper, we compare different TLS strategies using appropriate evaluation frameworks, and propose a simple and effective combination of methods that improves over the stateof-the-art on all tested benchmarks. For a more robust evaluation, we also present a new TLS dataset, which is larger and spans longer time periods than previous datasets.</abstract>
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%0 Conference Proceedings
%T Examining the State-of-the-Art in News Timeline Summarization
%A Gholipour Ghalandari, Demian
%A Ifrim, Georgiana
%S Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics
%D 2020
%8 July
%I Association for Computational Linguistics
%C Online
%F gholipour-ghalandari-ifrim-2020-examining
%X Previous work on automatic news timeline summarization (TLS) leaves an unclear picture about how this task can generally be approached and how well it is currently solved. This is mostly due to the focus on individual subtasks, such as date selection and date summarization, and to the previous lack of appropriate evaluation metrics for the full TLS task. In this paper, we compare different TLS strategies using appropriate evaluation frameworks, and propose a simple and effective combination of methods that improves over the stateof-the-art on all tested benchmarks. For a more robust evaluation, we also present a new TLS dataset, which is larger and spans longer time periods than previous datasets.
%R 10.18653/v1/2020.acl-main.122
%U https://aclanthology.org/2020.acl-main.122
%U https://doi.org/10.18653/v1/2020.acl-main.122
%P 1322-1334

Markdown (Informal)

[Examining the State-of-the-Art in News Timeline Summarization](https://aclanthology.org/2020.acl-main.122) (Gholipour Ghalandari & Ifrim, ACL 2020)

• Examining the State-of-the-Art in News Timeline Summarization (Gholipour Ghalandari & Ifrim, ACL 2020)

ACL

• Demian Gholipour Ghalandari and Georgiana Ifrim. 2020. Examining the State-of-the-Art in News Timeline Summarization. In Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics, pages 1322–1334, Online. Association for Computational Linguistics.