Conference Papers -- I nception Models for Fashion Image Captioning: an Extensive Study on Multiple Datasets -- The Best is yet to Come: A Reproducible Analysis of CLEF eHealth TAR Experiments -- Predicting Retrieval Performance Changes in Evolving Evaluation Environments -- Predicting Retrieval Performance Changes in Evolving Evaluation Environments -- Cem Mil Podcasts: A Spoken Portuguese Document Corpus For Multi-modal, Multi-lingual and Multi-Dialect Information Access Research -- Using authorship embeddings to understand writing style in social media -- Trend Detection in Crime-related Time Series with Change Point Detection Methods -- DAVI: a Dataset for Automatic Variant Interpretation -- qCLEF: a Proposal to Evaluate Quantum Annealing for Information Retrieval and Recommender Systems -- Graph-Enriched Biomedical Entity Representation Transformer -- Supervised Machine-Generated Text Detectors: Family and Scale Matters -- Bestof CLEF 2022 Labs -- Cross-lingual Candidate Retrieval and Re-ranking for Biomedical Entity Linking -- Humour Translation with Transformers -- Fight Against Misinformation on Social Media: Detecting Attention-Worthy and Harmful Tweets and Verifiable and Check-Worthy Claims -- A Re-labeling Approach based on Approximate Nearest Neighbors for Identifying Gambling Disorders in Social Media -- Touch´e 2022 Best of Labs: Neural Image Retrieval for Argumentation -- SimpleText Best of Labs in CLEF-2022: Simplify Text Generation with Prompt Engineering -- Answer Retrieval for Math Questions using Structural and Dense Retrieval -- CLEF 2023 Lab Overviews -- Overview of BioASQ 2023: The eleventh BioASQ challenge on Large-Scale Biomedical Semantic Indexing and Question Answering -- Overview of the CLEF-2023 CheckThat! Lab Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority of News Articles and Their Source -- Overview of DocILE 2023: Document Information Localization and Extraction -- Overview of eRisk 2023: Early Risk Prediction on the Internet -- Overview of EXIST 2023 - Learning with Disagreement for Sexism Identification and Characterization -- Intelligent Disease Progression Prediction: Overview of iDPP@CLEF 2023 -- Overview of the ImageCLEF 2023: Multimedia Retrieval in Medical, Social Media and Internet Applications -- Overview of JOKER - CLEF-2023 Track on Automatic Wordplay Analysis -- Overview of LifeCLEF 2023: evaluation of AI models for the identification and prediction of birds, plants, snakes and fungi -- Overview of the CLEF-2023 LongEval Lab on Longitudinal Evaluation of Model Performance -- Overview of PAN 2023: Authorship Verification, Multi-Author Writing Style Analysis, Profiling Cryptocurrency Influencers, and Trigger Detection -- Overview of the CLEF 2023 SimpleText Lab: Automatic Simplification of Scientific Texts -- Overview of the CLEF 2023 SimpleText Lab: Automatic Simplification of Scientific Texts.