Reproducibility Papers -- Knowledge is Power, Understanding is Impact: Utility and Beyond Goals, Explanation Quality, and Fairness in Path Reasoning Recommendation -- Stat-weight: Improving the Estimator of Interleaved Methods Outcomes with Statistical Hypothesis Testing -- A Reproducibility Study of Question Retrieval for Clarifying Questions -- The Impact of Cross-Lingual Adjustment of Contextual Word Representations on Zero-Shot Transfer -- Scene-centric vs. Object-centric Image-Text Cross-modal Retrieval: A Reproducibility Study -- Index-Based Batch Query Processing Revisited -- A Unified Framework for Learned Sparse Retrieval -- Entity Embeddings for Entity Ranking: A Replicability Study -- Do the Findings of Document and Passage Retrieval Generalize to the Retrieval of Responses for Dialogues? -- PyGaggle: A Gaggle of Resources for Open-Domain Question Answering -- Pre-Processing Matters! Improved Wikipedia Corpora for Open-Domain Question Answering -- From Baseline to Top Performer: A Reproducibility Study of Approaches at the TREC 2021 Conversational Assistance Track -- Demonstration Papers -- Exploring Tabular Data Through Networks -- InfEval: Application for Object Detection Analysis -- The System for Efficient Indexing and Search in the Large Archives of Scanned Historical Documents -- Public News Archive: A Searchable Sub-Archive to Portuguese Past News Articles -- TweetStream2Story: Narrative Extraction from Tweets in Real Time -- SimpleRad: patient-friendly Dutch radiology reports -- Automated Extraction of Fine-Grained Standardized Product Information from Unstructured Multilingual Web Data -- Continuous Integration for Reproducible Shared Tasks with TIRA.io -- Dynamic Exploratory Search for the Information Retrieval Anthology -- Text2Storyline: Generating Enriched Storylines From Text -- Uptrendz: API-Centric Real-Time Recommendations in Multi-Domain Settings -- Clustering Without Knowing How To: Application and Evaluation -- Enticing local governmentsto produce FAIR freedom of information act dossiers -- Which Country is this? Automatic Country Ranking of StreetView Images -- Automatic Videography Generation from Audio Tracks -- Ablesbarkeitsmesser: A System for Assessing the Readability of German Text -- FACADE: Fake Articles Classification And Decision Explanation -- PsyProf: A Platform for Assisted Screening of Depression in Social Media -- SOPalign: A Tool for Automatic Estimation of Compliance with Medical Guidelines -- Tutorials -- Understanding and Mitigating Gender Bias in Information Retrieval Systems -- Neuro-Symbolic Representations for Information Retrieval -- Legal IR and NLP: the History, Challenges, and State-of-the-Art -- Deep Learning Methods for Query Auto Completion -- Trends and Overview: The Potential of Conversational Agents in Digital Health -- Crowdsourcing for Information Retrieval -- Uncertainty Quantification for Text Classification -- Workshops -- Fourth International Workshop on Algorithmic Bias in Search and Recommendation (Bias 2023) -- The 6th International Workshop on Narrative Extraction from Texts (Text2Story'23) -- 2nd Workshop on Augmented Intelligence in Technology-Assisted Review Systems (ALTARS): Evaluation Metrics and Protocols for eDiscovery and Systematic Review Systems -- Workshop QPP++ 2023: Query Performance Prediction and Ist Evaluation in New Tasks -- Bibliometric-enhanced Information Retrieval: 13th International BIR Workshop (BIR˜2023) -- Geographic information extraction from texts (GeoExT) -- ROMCIR 2023: Overview of the 3rd Workshop on Reducing Online Misinformation through Credible Information Retrieval -- ECIR 2023 workshop proposal: Legal Information Retrieval -- Doctoral Consoritum -- Building Safe and Reliable AI systems for Safety Critical Tasks with Vision-Language Processing -- Text Information Retrieval in Tetun -- Identifying and Representing Knowledge Delta in Scientific Literature -- Investigation of Bias in Web Search Queries -- Monitoring online discussions and responses to support the identification of misinformation -- User Privacy in Recommender Systems -- Conversational Search for Multimedia Archives -- Disinformation Detection: Knowledge Infusion with Transfer Learning and Visualizations -- A Comprehensive Overview of Consumer Conflicts on Social Media -- Designing useful conversational interfaces for information retrieval in career decision-making support -- CLEF Lab Descriptions iDPP@CLEF 2023: The Intelligent Disease Progression Prediction Challenge -- LongEval: Longitudinal Evaluation of Model Performance at CLEF 2023 -- The CLEF-2023 CheckThat! Lab: Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority -- Overview of PAN 2023: Authorship Verification, Multi-Author Writing Style Analysis, Profiling Cryptocurrency Influencers, and Trigger Detection -- Overview of Touché 2023: Argument and Causal Retrieval -- CLEF 2023 SimpleText Track: What Happens if General Users Search ScientificTexts? -- Science for Fun: The CLEF 2023 JOKER Track on Automatic Wordplay Analysis -- ImageCLEF 2023 Highlight: Multimedia Retrieval in Medical, Social Media and Content Recommendation Applications -- LifeCLEF 2023 teaser: Species Identification and Prediction Challenges -- BioASQ at CLEF2023: The eleventh edition of the Large-scale biomedical semantic indexing and question answering challenge -- eRisk 2023: Depression, Pathological Gambling, and Eating Disorder Challenges -- Overview of EXIST 2023: sEXism Identification in Social neTworks -- DocILE 2023 Teaser: Document Information Localization and Extraction.