Learning to Summarise Related Sentences

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We cast multi-sentence compression as a structured prediction problem. Related sentences are represented by a word graph so that summaries constitute paths in the graph (Filippova, 2010). We devise a parameterised shortest path algorithm that can be written as a generalised linear model in a joint space of word graphs and compressions. We use a large-margin approach to adapt parameterised edge weights to the data such that the shortest path is identical to the desired summary. Decoding during training is performed in polynomial time using loss augmented inference. Empirically, we compare our approach to the state-of-the-art in graph-based multi-sentence compression and observe significant improvements of about 7% in ROUGE F-measure and 8% in BLEU score, respectively.

Original languageEnglish
Title of host publicationCOLING 2014 - 25th International Conference on Computational Linguistics, Proceedings of COLING 2014 : Technical Papers
Number of pages12
Place of PublicationDublin
PublisherAssociation for Computational Linguistics (ACL)
Publication date2014
Pages1636-1647
ISBN (print)978-1-941643-26-6
ISBN (electronic)9781941643266
Publication statusPublished - 2014
Externally publishedYes
Event25th International Conference on Computational Linguistics - COLING 2014 - Dublin, Ireland
Duration: 23.08.201429.08.2014
Conference number: 25
https://aclanthology.info/volumes/proceedings-of-coling-2014-the-25th-international-conference-on-computational-linguistics-technical-papers

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