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| 46. | It is important to note that ‘relative importance’ does not require the exact weighting of the main parameters, or indeed the providers’ algorithms, to be disclosed, (cf. Article 5(6) and Recital 27). However, providers should capture to some extent the inherently dynamic nature of (typically algorithm-driven) ranking in a more static description. Temporary changes that may be foreseeable and regular, such as sales promotions or the influence of the weather, could accordingly, as a matter of principle, be described in a general manner, without necessarily triggering a need to adapt the description of ranking each time the temporary change kicks in. Major alterations to the ranking mechanisms leading the ‘main parameters’ to change, including ‘evolutionary’ changes that occur over time as a result of a degree of deep-learning, would trigger the need to adapt the description given (11).

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Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as adopted (Official Journal); later amendments are not incorporated in this text.