Pre-announcement: 14 fully funded positions in conversational intelligence. Join us to work on algorithmic challenges in conversational intelligence, w/diverse team of supervisors around the Netherlands. Expected opening date: Q3/2022. Details at lessen-project.nl (1/17)

Incredibly honoured to receive the #ICTIR2022 best paper award!🥳🎉 On #SIGIR Tuesday at 16:30, I'll present: Reaching the End of Unbiasedness: Uncovering Implicit Limitations of Click-Based Learning to Rank Info and registration: ictir2022.org/awards Below a sneak-peak!🧩

I'm presenting this today at 16:30 in room "Valle Inclán" on the 5th floor. Hope to see you there! 😄 #SIGIR2022 #ICTIR2022 #SIGIR

The IRLab at the University of Amsterdam from UvA Amsterdam at SIGIR 2025! #SIGIR2022

📢 SEA in March! This edition is about social media and graph-based rec. w/ Ira Ktena Ira Ktena (DeepMind) and L. Yang (Uni. of Illinois at Chicago). 🗓️ March the 31st, 17:00 CET, in-person at Lab42 or online 💻 Open to everyone 🌍! Sign-up now ✅: meetup.com/sea-search-eng…

📢 SEA in May! This edition is about cognitive biases in recommenders w/ Yu Liang (TU Eindhoven) and Atanu R Sinha (Adobe). 📷 May the 26th, 17:00 CET, in-person at Lab42 or online 📷! Sign-up now 📷:✅ meetup.com/sea-search-eng…

🌟 Excited to showcase our tutorial work this Sunday! 👏Hope to see you onsite or online!

Very proud to share our (XinXin, Xiangyu Zhao,Jin, Weinan Zhang, Li Zhao, Dawei Yin, Grace Hui Yang ) 4th Workshop on Deep Reinforcement Learning for Information Retrieval (DRL4IR) at CIKM 2023 on Oct 22nd, in Birmingham, UK: coda.io/@drl4ir-cikm23…. 🤩

DRL4IR@CIKM23 is open for submissions! Check out our call for papers: easychair.org/conferences/?c…. We are looking forward to your work, the deadline is Aug 31. 🎉

📢 Submission deadline extension The deadline for submissions to our workshop has been extended to September 6 (AOE). ➡️ Take this opportunity to submit your work and make a contribution to the field of DRL4IR! 🎉🎉🎉

One month (until Oct 2 at 23:59 AoE) to submit to our #NeurIPS2023 workshop on #causal #representation #learning, connecting the #causality and representation learning communities 🚀 Have ideas in this domain? Submit max 6 pages of unpublished research at openreview.net/group?id=NeurI…

👏Our workshop will start in about 2h. Check out our program: coda.io/@drl4ir-cikm23… If you are in CIKM, please feel free to join!

👏Our first invited speaker Debasis Ganguly Debasis Ganguly is presenting -- Sequential Decision Making for Proactive and Conversational Information Retrieval. #DRL4IR@CIKM2023, Brimingham.

Our second invited speaker Chongming Gao from University of Science and Technology of China is presenting: Modeling, Evaluation, and Mitigation of Filter Bubbles and Matthew Effects in Offline RL-based Recommender Systems

👏 Our third speaker Shuchang Liu from Kuaishou presented his work on Comprehensive Reinforcement Learning-based Formulations and Environments for RecSys!

👏 Our last invited speaker Prof. Joemon Jose from University of Glasgow is presenting: Reinforcement Learning-based Recommender Systems

👏 Glad that our paper "Going Beyond Popularity and Positivity Bias: Correcting for Multifactorial Bias in Recommender Systems" with Harrie Oosterhuis, Masoud Mansoury, Herke van Hoof, and Maarten de Rijke is one of the nominees for Best Paper at #SIGIR2024. Check it here: dl.acm.org/doi/10.1145/36…

Thrilled to share that our workshop, "AgentIR: 1st Workshop on Agent-based Information Retrieval" at #SIGIR2024, was a resounding success! A huge thank you to all our speakers, participants, and supporters who made it possible. See you next time! agentirworkshop.github.io/about

🚨🚨🚨Tutorial Recording Alert!🚨🚨🚨 We just released the recording of our tutorial titled: Unbiased Learning to Rank: On Recent Advances in the Foundations and Applications youtu.be/fcqCkjgOnJ8 Originally presented at the #SIGIR2023, #FIRE2023 and #WSDM2024 conferences.