Peng, Ciyuan & Xia, Feng & Naseriparsa, Mehdi & Osborne, Francesco. (2023). Knowledge Graphs: Opportunities and Challenges. Artificial Intelligence Review. 1-32. 10.1007/s10462-023-10465-9. 2.2.2 Knowledge Acquisition [Extrair e Delimitar Contexto?] 2.2.3 Knowledge Graph Completion [Completar Contexto?] 2.2.4 Knowledge Fusion [Alinhamento de Entidades e as questões da Identidade e resolução de conflitos.] 2.2.5 Knowledge Reasoning [Completar Contexto? Detectar controversas] 2.2.6 AI Systems [Usar KG para contextualizar perguntas e respostas] 3.2 Question–Answering Systems There are two main types of questions in this space: simple and multi-hop questions, respectively. Simple questions are answered only by referring to a single triplet, while multi-hop questions require combining multiple entities and relations. Focusing on simple questions, Huang et al. (2019) proposed a knowledge graph embedding-based question- answering system (KEQA). They translated
