Categoria: Seminari e Convegni
Stato: Archiviata
Nov 2nd, 2020, 5:30 PM CET ONLINE

Extractive Timeline Summarization by means of Deep Natural Language Processing

On Microsoft Teams platform

Presenter: Moreno La Quatra

The large-scale diffusion of the World Wide Web has led to a sudden increase in the amount of published news content. While
users benefit from the simple access to relevant content, the abundance of information related to a specific topic could lead to
information overload. Timeline summarization aims at processing long streams of news to detect relevant dates and key-insights that better describe the progress of the main event. To address this task, we propose a comprehensive framework that leverages on two main machine learning steps: date selection and text summarization. The former step combines graph modeling and natural language understanding approaches to detect the key dates of the global event. The latter phase leverages on the semantic representation of text to extract concise yet informative summaries of the news published on each selected date. The summarization architecture relies on the fine-tuning of pre-trained deep learning models to estimate single sentence relevance.

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