RECSYS CHALLENGE

The active users were defined as users who had at least 5 and at most 1,000 news click records in a three-week period from May 18th to June 8, 2023. In order to protect user privacy, every user was de-linked from the production system when securely hashed into an anonymized ID using onetime salt mapping. Alongside, we provide Danish news articles published by Ekstra Bladet. Each article is enriched with textual context features such as title, abstract, body, categories, among others. Furthermore, we provide features that have been generated by proprietary models, including topics, named entity recognition (NER), and article embeddings... The challenge will delve into the unique aspects of news recommendation. These include modeling user preferences based on implicit behavior, accounting for the influence of the news agenda on user interests, and managing the rapid decay of news items. Furthermore, our challenge also embraces the normative complexities. These involve investigating the..