In this paper, we discuss one potential solution to the privacy-preserving evaluation (PPE) for IR models.  ...  Information retrieval (IR) has been a highly empirical discipline since the very beginning of the field.  ...  Multi-level privacy-preserving result delivery: The VIRLab system provides a leaderboard for each data collection, which displays the evaluation results for well performed retrieval functions.  ... 

While evaluation is central and has a long history in information retrieval, it faces the big challenge of designing an appropriate methodology that embeds the context into evaluation settings.  ...  More specifically, t his s urvey a rticle a ims t o fill tw o ma in ga ps in th e li terature: Fi rst, it provides a critical summary and comparison of existing contextual information retrieval evaluation  ...  -Social search: The widespread adoption of social platforms by users has renewed the problem of data privacy particularly because users naturally share information using these platforms and that information  ...