The Joint Conference of the Information Retrieval Communities in Europe (CIRCLE 2020) is the second joint conference of the French, Italian, and Spanish information retrieval communities. The three days of conference gathered interesting studies and research work on a wide range of topics on information retrieval, such as topic and document modeling, web search, information retrieval in e-government, social media, recommender systems, information retrieval evaluation, indexation and annotation, user profiling and interaction, frameworks and systems, and semantic extraction.