Knowledge Representation Graph Theory Data Processing Search Algorithms Data Structures Evaluation Metrics Semantic Search Knowledge Management Natural Language Processing Data Mining Semantic Analysis Evaluation Methods Data Retrieval Multi-hop Questions Data Security Document Representation Relevance Theory Data Privacy Document Segmentation Document Processing Multimodal Systems Cross-Lingual Retrieval Optimization Machine Learning Document Understanding Knowledge Graphs Semantic Matching Generative Models Question Answering Biomedical Research Graph-Based Retrieval Evaluation Paradigms Dataset Construction Knowledge-Based Systems Document Quality Document Retrieval Dynamic Knowledge Integration Context Engineering Knowledge Integration Document Structure Multimodal Retrieval Authority Perception Data Analysis Visual Information Retrieval Database Management Data Organization Security
A cluster of arXiv papers and practitioner reports show researchers replacing broad ingestion with agentic planning, compact schema or hypergraph evidence, and multi-stage defenses to raise grounding, cut costs, and blunt poisoning attacks.