sparse retrieval

CRAFT: Training-Free Cascaded Retrieval for Tabular QA ACL 2026 DUTIR at SemEval-2026 Task 8: A Hybrid Retrieval and Faithfulness-Guarded Framework for Multi-Turn RAG SemEval 2026 DVCQR: Dual-View Conversational Query Rewriting with Stage-wise Reinforcement Learning ACL 2026 Self-Improving Sparse Retrieval Through Heuristic Representation Refinement and Representation-Focused Learning AAAI 2026 Sifei at SemEval-2026 Task 8: Hybrid Retrieval and Query Rewriting for Multi-Turn RAG SemEval 2026 uva-irlab-conv at SemEval-2026 Task 8: Multi-Turn RAG with Learned Sparse Retrieval and Listwise Reranking SemEval 2026 AdaCQR: Enhancing Query Reformulation for Conversational Search via Sparse and Dense Retrieval Alignment COLING 2025 AlexUNLP-FMT at ClimateCheck Shared Task: Hybrid Retrieval with Adaptive Similarity Graph-based Reranking for Climate-related Social Media Claims Fact Checking ACL 2025 A Text is Worth Several Tokens: Text Embedding from LLMs Secretly Aligns Well with The Key Tokens ACL 2025 CLIRudit: Cross-Lingual Information Retrieval of Scientific Documents EMNLP 2025 Entity Retrieval for Answering Entity-Centric Questions NAACL 2025 Exp4Fuse: A Rank Fusion Framework for Enhanced Sparse Retrieval using Large Language Model-based Query Expansion ACL 2025 MoR: Better Handling Diverse Queries with a Mixture of Sparse, Dense, and Human Retrievers EMNLP 2025 Operational Advice for Dense and Sparse Retrievers: HNSW, Flat, or Inverted Indexes? ACL 2025 QuackIR: Retrieval in DuckDB and Other Relational Database Management Systems EMNLP 2025 Exploring the Best Practices of Query Expansion with Large Language Models EMNLP 2024 Plot Retrieval as an Assessment of Abstract Semantic Association ACL 2024 PromptReps: Prompting Large Language Models to Generate Dense and Sparse Representations for Zero-Shot Document Retrieval EMNLP 2024 Retrieval Evaluation for Long-Form and Knowledge-Intensive Image–Text Article Composition EMNLP 2024 Threshold-driven Pruning with Segmented Maximum Term Weights for Approximate Cluster-based Sparse Retrieval EMNLP 2024 A Study on the Efficiency and Generalization of Light Hybrid Retrievers ACL 2023 A Thorough Examination on Zero-shot Dense Retrieval EMNLP 2023 CITADEL: Conditional Token Interaction via Dynamic Lexical Routing for Efficient and Effective Multi-Vector Retrieval ACL 2023 Expand, Rerank, and Retrieve: Query Reranking for Open-Domain Question Answering ACL 2023 Hybrid and Collaborative Passage Reranking ACL 2023