Method and server for presenting a recommended content item to a user

A method of presenting a recommended content item to a user on an electronic device, the recommended content item being associated with potentially undesirable content, method executable on a server hosting a recommendation service, the method comprising:

• receiving, by the server, a request for presenting recommended content to the user;
• receiving, by the server, an indication of previous user interactions of the user with the recommendation service;
• generating, by a user-specific-ranking MLA implemented by the server, a ranked list of recommendable content items,
• each content item in the ranked list of recommendable content items being associated with respective item features and a respective web resource, the item features of each content item being based on content of the respective content item, the content of each content item originating from the respective web resource,
• the user-specific-ranking MLA having been trained to generate user-specific ranking scores for content items based on respective item features and the indication of previous user interactions of the user with the recommendation service,
• each content item in the ranked list of recommendable content items being associated with a respective user-specific ranking score being indicative of an estimated relevance of the respective content item to the user,
• a given content item in the ranked list of recommendable content items being associated with a given rank in the ranked list of recommendable content items;
• generating, by a user-independent-classifying MLA implemented by the server, a demoting score for each content item in the ranked list of recommendable content items,
• the user-independent-classifying MLA having been trained to classify content originating from the respective web resource into one of a plurality of content classes and to generate demoting scores for content items based on the respective one of the plurality of content classes of content originating from the respective web resources, each demoting score being indicative of a degree of undesirability of the content originating from the respective web resource;
• generating, by the server, an adjusted ranking score for each content item in the ranked list of recommendable content items based on the respective user-specific ranking score and the respective demoting score, the adjusted ranking score of the given content item being inferior to the user-specific ranking score of the given item;
• generating, by the server, a modified ranked list of recommendable content items to be presented to the user based on the content items and the respectively associated adjusted ranking scores, the content items in the modified ranked list of recommendable content items being ranked according to the respective adjusted ranking scores, the given content item being associated with an adjusted rank in the modified ranked list of recommendable content items, the adjusted rank being inferior to the given rank;
• and
• triggering, by the server, a presentation of a ranked recommended list of content items to the user on the electronic device as the ranked recommended content, the ranked recommended list of content items comprising at least some content items from the modified ranked list of recommendable content items, the given content item being presented to the user at the adjusted rank in the modified ranked list of recommendable content items.