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http://hdl.handle.net/10071/13278
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Title: Event-based summarization using a centrality-as-relevance model
Authors: Marujo, L.
Ribeiro, R.
Gershman, A.
de Matos, D. M.
Neto, J. P.
Carbonell, J.
Keywords: Event detection
Extractive summarization
Passage retrieval
Automatic key phrase extraction
Centrality
Issue Date: 2017
Publisher: Springer
Abstract: Event detection is a fundamental information extraction task, which has been explored largely in the context of question answering, topic detection and tracking, knowledge base population, news recommendation, and automatic summarization. In this article, we explore an event detection framework to improve a key phrase-guided centrality-based summarization model. Event detection is based on the fuzzy fingerprint method, which is able to detect all types of events in the ACE 2005 Multilingual Corpus. Our base summarization approach is a two-stage method that starts by extracting a collection of key phrases that will be used to help the centrality-as-relevance retrieval model. We explored three different ways to integrate event information, achieving state-of-the-art results in text and speech corpora: (1) filtering of nonevents, (2) event fingerprints as features, and (3) combination of filtering of nonevents and event fingerprints as features.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/13278
DOI: 10.1007/s10115-016-0966-4
ISSN: 0219-1377
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-33580
Accession number: WOS:000393662500010
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica

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