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https://dsarequests.moderation.booking.com/hc/en-gb/articles/42722915784852-Types-of-data-assets
en Tier 1
Last snapshot: 17 Aug 2026, 21:08 (Berlin) Fingerprint: 82d1368520f83383c13251ce…

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Current Content

This data catalogue describes the types of data assets (including their data structure, metadata and access modalities) that vetted researchers may request access to for the purposes set out in Article 40(4) DSA. The contents of this data catalogue is non-exhaustive and will be regularly updated.

Data asset Description Structure & Metadata Data access modalities
Items of content infringing terms & conditions or deemed illegal Number of items removed through automated or manual detection Fields: detection method (automated/manual), policy violation, date of removal Secure research environment; aggregated
User notices regarding illegal content or policy violations Number of user notices received relating to illegal content Fields: type of alleged illegal content, actions taken on the basis of terms and conditions or law, average time to respond, policy violation Secure research environment; aggregated
User notices regarding illegal listings Number of user notices received relating to illegal listings Fields: categorised by type of illegality, average time to respond, country of listing (EU) Secure research environment; aggregated
Appeals data Number of appeals Fields: decision taken, average time to take decision, number of reversals, policy Secure research environment, aggregated
Effectiveness of automated detection systems Performance of automated tools for identifying infringing content Fields: detection model type, accuracy, precision and recall, monthly trend Secure research environment; aggregated KPIs only
Fake listings removed Number of fake listings removed in the EU through automated or manual verification Fields: detection method (automated/manual), month of detection, country of listing (EU), detection stage (pre-/after-onboarding), average time to action Secure research environment; anonymised and aggregated
Fake reviews identified Number of fake reviews removed through automated or manual verification Fields: detection method (automated/manual), average time to action Secure research environment, aggregated
Mitigation measures effectiveness Data showing effectiveness of mitigation measures relating to fraudulent listings (e.g. performance metrics) Fields: ratio of fake listings identified pre-onboarding versus post-onboarding over a 12-month period Secure research environment, aggregated KPIs only.
Case management data collection Data showing cases reviewed by T&S, including the account restrictions imposed. Fields: T&S case tracking, category of case, type of response, date of escalations, date of response, country of accommodation. Secure research environment, Anonymised, Minimised
Number of orders relating to illegal listings Data showing number of orders from Member State authorities relating to illegal listings Fields: categorised by type of illegality, action taken, categorised by Member State Secure research environment; aggregated