User observations on usage of recommender systems to enable scaling of recommender systems experiments through automated and agentic means

Published

14 January 2026

Estimated value

€250,000

Procedure

open

Lots

1

Notice number

00026448-2026

Reference

4ab71ff5-0048-44ab-ac98-c5bb2c7f527b

Official source

Official source

CPV codes

• 79140000Servicios de asesoría e información jurídica

Description

Pursuant to article 27 DSA, providers of online platforms must clearly explain in their terms and conditions the main parameters used in their recommender systems, using plain and intelligible language. Moreover, they must explain options for users to modify or influence these main parameters. The main parameters that must be explained include (a) the most significant criteria used to determine suggested information, and (b) the reasons for the relative importance of these parameters. For platforms offering multiple options for recommender systems, they must provide a functionality allowing users to select and modify their preferred option at any time. Such a functionality should be directly and easily accessible from the section of the platform’s interface where the information is prioritized. In addition to the obligations established by article 27, providers of VLOPs and VLOSEs have an additional requirement: they must provide at least one recommender system option that is not based on profiling as defined in Regulation (EU) 2016/679 (“General Data Protection Regulation” or “GDPR”). These transparency requirements aim to give users more control and understanding of how informa…

Awards

Frequently asked questions

What is the estimated value of this tender?

The estimated value published by the buyer is €250,000.

Who is the buyer of this tender?

The contracting authority is European Commission, DG JRC - Joint Research Centre (European Union).