一作SIGIR 2026Poster· Information Retrieval (Resource)
SplitLight: An Exploratory Toolkit for Recommender Systems Datasets and Splits
Anna Volodkevich · Dmitry Anikin · Danil Gusak · Anton Klenitskiy · Evgeny Frolov · Alexey Vasilev
摘要
Offline evaluation of recommender systems is often affected by hidden, under-documented choices in data preparation. Seemingly minor decisions in filtering, handling repeats, cold-start treatment, and splitting strategy design can substantially reorder model rankings and undermine reproducibility...