Previous editions

ORSUM 2021 is the 4th edition of the ORSUM workshop series. The following editions took place in past years:

• ORSUM 2018 - held at The Web Conference 2018, Lyon, France
• ORSUM 2019 - held at ACM RecSys 2019, Copenhagen, Denmark
• ORSUM 2020 - held at ACM RecSys 2020, virtually in Rio de Janeiro, Brazil