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Supplemental Information

Weather DISIT Channel statistics and search terms

DOI: 10.7287/peerj.preprints.2241v1/supp-1

Twitter Vigilance Rossano Calabro Event

DOI: 10.7287/peerj.preprints.2241v1/supp-2

Twitter Vigilance Interface of "Codified Hash-tag Allerta" channel

DOI: 10.7287/peerj.preprints.2241v1/supp-3

Twitter Vigilance Olbia flooding Event

DOI: 10.7287/peerj.preprints.2241v1/supp-4

Twitter Vigilance Severe weather Firenze Event

DOI: 10.7287/peerj.preprints.2241v1/supp-5

Twitter Vigliance Software Architecture

DOI: 10.7287/peerj.preprints.2241v1/supp-6

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Valentina Grasso conceived and designed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Imad Zaza conceived and designed the experiments, performed the computation work.

Federica Zabini wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Gianni Pantaleo conceived and designed the experiments, performed the computation work.

Paolo Nesi conceived and designed the experiments, contributed reagents/materials/analysis tools, performed the computation work.

Alfonso Crisci conceived and designed the experiments, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

The research in this article did not generate, collect or analyse any raw data or code.

Funding

The authors received no funding for this work.


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