This work focuses on the analysis of Italian social media mes- sages for disaster management and aims at the detection of messages carrying critical information for the damage as- sessment task. A main novelty of this study consists in the focus on out-domain and cross-event damage detection, and on the investigation of the most relevant tweet-derived fea- tures for these tasks. We devised different experiments by resorting to a wide set of linguistic features qualifying the lexical and grammatical structure of a text as well as ad-hoc features specifically implemented for this task. We investi- gated the most effective features that allow to achieve the best results. A further result of this study is the construc- tion of the first manually annotated Italian corpus of social media messages for damage assessment.

A linguistically-driven approach to cross-event damage assessment of natural disasters from social media messages

Cresci S.;Tesconi M.;Cimino A.;Dell'Orletta F.
2015-01-01

Abstract

This work focuses on the analysis of Italian social media mes- sages for disaster management and aims at the detection of messages carrying critical information for the damage as- sessment task. A main novelty of this study consists in the focus on out-domain and cross-event damage detection, and on the investigation of the most relevant tweet-derived fea- tures for these tasks. We devised different experiments by resorting to a wide set of linguistic features qualifying the lexical and grammatical structure of a text as well as ad-hoc features specifically implemented for this task. We investi- gated the most effective features that allow to achieve the best results. A further result of this study is the construc- tion of the first manually annotated Italian corpus of social media messages for damage assessment.
2015
9781450334730
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/1054012
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