sliding window&exponential decay estimators for bias correction in inverse propensity scoring average reward for system actions: off-policy evaluation in non-stationary environment for top-1 recommendation simulated on LastFM dataset Rolf Jagerman #DIR2019 github.com/rjagerman/wsdm…

Next up in still a full house: Lise Stork on identifying scientific names in handwritten text, combining computer vision with entity linking, since entities play a central role in information needs of domain experts. Presented at #ECIR2019! Now at #DIR2019

choosing #RecSys algorithms in focus groups study protyping user control mechanisms for transparency in personalised content by FairNews project Jaron Harambam #DIR2019 ivir.nl/publicaties/do…

.Daan Odijk is closing me, I'm getting slightly sentimental 😪. Drinks soon!

Getting ready for post-DIR dinner 🍽️

⚡️#DIR2019 unique opporunity to meet local IR & #RecSys experts presenting their most recent work from top conferences! 5/5 on my evaluation metric: relevance+novelty+diversity+beautiful venue+stylish catering! Dank je DIR 2019 - Lightning talk Edition @dvdgrs @anneschuth Daan Odijk x.com/i/moments/1200…

14/20 slide decks are now linked from our program dir2019.nl/program.html

I fondly remember 😅

Save the date for #DIR2020! December 3rd, 2020

Registrations for #DIR2020 are now open! 💫 Head over to dir2020.be and sign up! 1/n

We have also launched our call for posters! Would you like to present your work at the #DIR2020 poster session? Poster sessions will be held in gather.town, so expect vibrant discussions and plenty of social interactions! 🙌 2/n

T-8 for #DIR2020! With over 100 registered participants, 10 confirmed speakers, an incredible keynote speaker (Thorsten Joachims) and 10+ posters we are now sure it will be a blast 🎉 Snatch up the last tickets before it's too late 👉 dir2020.be