The three-volume set LNCS 13980, 13981 and 13982 constitutes the refereed proceedings of the 45th European Conference on IR Research, ECIR 2023, held in Dublin, Ireland, during April 2-6, 2023.

Full Papers.- Self-Supervised Contrastive BERT Fine-tuning for Fusion-based Reviewed-Item Retrieval.- User Requirement Analysis for a Recommender System-Based Meeting Assistant.- Auditing Consumer- and Producer-Fairness in Graph Collaborative Filtering.- Exploiting Graph Structured Cross-Domain Representation for Multi-Domain Recommendation.- Injecting the BM25 Score as Text Improves BERT-Based Re-rankers.- Quantifying Valence and Arousal in Text with Multilingual Pre-trained Transformers.- A Knowledge Infusion based Multitasking System for Sarcasm Detection in Meme.- Multilingual Detection of Check-Worthy Claims using World Languages and Adapter Fusion.- Market-Aware Models for Efficient Cross Market Recommendation.- TourismNLG: A Multi-lingual Generative Benchmark for the Tourism Domain.- An Interpretable Knowledge Representation Framework for Natural Language Processing with Cross-Domain Application.- Graph-based Recommendation for Sparse and Heterogeneous User Interactions.- It's Just a Matter of Time: Detecting Depression with Time-Enriched Multimodal Transformers.- Recommendation Algorithm Based on Deep Light Graph Convolution Network in Knowledge Graph.- Query Performance Prediction for Neural IR: Are We There Yet?.- Item Graph Convolutional Collaborative Filtering for Inductive Recommendations.- CoLISA: Inner Interaction via Contrastive Learning for Multi-Choice Reading Comprehension.- Viewpoint Diversity in Search Results.- COILCR: Efficient Semantic Matching in Contextualized Exact Match Retrieval.- Bootstrapped nDCG Estimation in the Presence of Unjudged Documents.- Predicting the Listening Contexts of Music Playlists Using Knowledge Graphs.- Keyword Embeddings for Query Suggestion.- Domain-driven and Discourse-guided Scientific Summarisation.- Injecting Temporal-aware Knowledge in Historical Named Entity Recognition.- A Mask-based Logic Rules Dissemination Method for Sentiment Classifiers.- Contrasting Neural Click Models and Pointwise IPS Rankers.- Sentence Retrieval for Open-Ended Dialogue using Dual Contextual Modeling.- Temporal Natural Language Inference: Evidence-based Evaluation of Temporal Text Validity.- Theoretical Analysis on the Efficiency of Interleaved Comparisons.- Intention-aware Neural Networks for Question Paraphrase Identification.- Automatic and Analytical Field Weighting for Structured Document Retrieval.- An Experimental Study on Pretraining Transformers from Scratch for IR.- Neural Approaches to Multilingual Information Retrieval.- CoSPLADE: Contextualizing SPLADE for Conversational Information Retrieval.- SR-CoMbEr: Heterogeneous Network Embedding using Community Multi-view Enhanced Graph Convolutional Network for Automating Systematic Reviews.- Multimodal Inverse Cloze Task for Knowledge-based Visual Question Answering.- A Transformer-based Framework for POI-level Social Post Geolocation.- Document-Level Relation Extraction with Distance-dependent Bias Network and Neighbors Enhanced Loss.- Investigating Conversational Agent Action in Legal Case Retrieval.- MS-Shift: An Analysis of MS MARCO Distribution Shifts on Neural Retrieval.- Listwise Explanations for Ranking Models using Multiple Explainers.- Improving video retrieval using multilingual knowledge transfer.- Service is good, very good or excellent? Towards Aspect based Sentiment Intensity Analysis.- Effective Hierarchical Information Threading using Network Community Detection.- HADA: A Graph-based Amalgamation Framework in Image-Text Retrieval.