[HTML][HTML] Advances and challenges in conversational recommender systems: A survey

C Gao, W Lei, X He, M de Rijke, TS Chua - AI open, 2021 - Elsevier
Recommender systems exploit interaction history to estimate user preference, having been
heavily used in a wide range of industry applications. However, static recommendation …

Challenges and research opportunities in ecommerce search and recommendations

M Tsagkias, TH King, S Kallumadi, V Murdock… - ACM Sigir Forum, 2021 - dl.acm.org
With the rapid adoption of online shop**, academic research in the eCommerce domain
has gained traction. However, significant research challenges remain, spanning from classic …

Continuous Integration for Reproducible Shared Tasks with TIRA.io

M Fröbe, M Wiegmann, N Kolyada, B Grahm… - … on Information Retrieval, 2023 - Springer
A major obstacle to the long-term impact of most shared tasks is their lack of reproducibility.
Often only the test collections and the papers of the organizers and participants are …

The information retrieval experiment platform

M Fröbe, JH Reimer, S MacAvaney, N Deckers… - Proceedings of the 46th …, 2023 - dl.acm.org
We integrate irdatasets, ir_measures, and PyTerrier with TIRA in the Information Retrieval
Experiment Platform (TIREx) to promote more standardized, reproducible, scalable, and …

User simulation for evaluating information access systems

K Balog, CX Zhai - Proceedings of the Annual International ACM SIGIR …, 2023 - dl.acm.org
With the emergence of various information access systems exhibiting increasing complexity,
there is a critical need for sound and scalable means of automatic evaluation. To address …

When people change their mind: Off-policy evaluation in non-stationary recommendation environments

R Jagerman, I Markov, M de Rijke - … conference on web search and data …, 2019 - dl.acm.org
We consider the novel problem of evaluating a recommendation policy offline in
environments where the reward signal is non-stationary. Non-stationarity appears in many …

Report on the 1st simulation for information retrieval workshop (Sim4IR 2021) at SIGIR 2021

K Balog, D Maxwell, P Thomas, S Zhang - ACM SIGIR Forum, 2022 - dl.acm.org
Simulation is used as a low-cost and repeatable means of experimentation. As Information
Retrieval (IR) researchers, we are no strangers to the idea of using simulation within our …

Conversational AI from an information retrieval perspective: Remaining challenges and a case for user simulation

K Balog - 2021 - uis.brage.unit.no
Conversational AI is an emerging field of computer science that engages multiple research
communities, from information retrieval to natural language processing to dialogue systems …

Shared tasks as tutorials: A methodical approach

T Elstner, F Loebe, Y Ajjour, C Akiki… - Proceedings of the …, 2023 - ojs.aaai.org
In this paper, we discuss the benefits and challenges of shared tasks as a teaching method.
A shared task is a scientific event and a friendly competition to solve a research problem, the …

Validating synthetic usage data in living lab environments

T Breuer, N Fuhr, P Schaer - ACM Journal of Data and Information …, 2024 - dl.acm.org
Evaluating retrieval performance without editorial relevance judgments is challenging, but
instead, user interactions can be used as relevance signals. Living labs offer a way for small …