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Quality assurance  
The data are being compiled and updated from diverse publicly available sources and are disseminated as such, with due identification of corresponding sources. The data provided consist of an assemblage of information on individual fishing vessels which are currently available from public sources or were disseminated in the past.

Matching tables were developed and are used to standardize fields across data sources (e.g., ports lists, vessel types, gear types, physical dimensions, etc.). Matching algorithms were developed and are applied, over subsets of discriminating data fields, in order to detect duplicates within and among data sources.

Once the different sources are matched against each other, a given vessel participating in various fishing vessel lists (e.g., tuna organizations, other RFBs and RFMOs, national registries, deep-seas authorized vessels lists, etc.) can be judged as the same (or not) based on combinations of identifiers and features (e.g., national vessel ID or registration number, EU identifier, IMO number, etc.).

FAO assumes no responsibility for the accuracy or consistency of the data. The information provided in no way implies that a given vessel is authorized to operate and/or that is part of an officially recognized fleet. Users should apply their own judgments when using the information for their particular purposes.

The FVF application is being continuously upgraded in response to feedbacks from users, but also by compiling and updating fishing vessels data from additional sources.
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