Boosting question answering over knowledge graph with reward integration and policy evaluation under weak supervision

X Bi, H Nie, G Zhang, L Hu, Y Ma, X Zhao… - Information Processing …, 2023 - Elsevier
Among existing knowledge graph based question answering (KGQA) methods, relation
supervision methods require labeled intermediate relations for stepwise reasoning. To avoid …

Incorporating anticipation embedding into reinforcement learning framework for multi-hop knowledge graph question answering

H Cui, T Peng, F Xiao, J Han, R Han, L Liu - Information Sciences, 2023 - Elsevier
Multi-hop knowledge graph question answering (KGQA) aims to pinpoint answer entities by
reasoning across multiple triples in knowledge graphs (KGs). To enhance model …

Unrestricted multi-hop reasoning network for interpretable question answering over knowledge graph

X Bi, H Nie, X Zhang, X Zhao, Y Yuan… - Knowledge-Based Systems, 2022 - Elsevier
Abstract Knowledge graphs significantly boost the answer retrieval quality for natural
language questions. The knowledge graph based question answering (KGQA) task returns …

Message passing for complex question answering over knowledge graphs

S Vakulenko, JD Fernandez Garcia, A Polleres… - Proceedings of the 28th …, 2019 - dl.acm.org
Question answering over knowledge graphs (KGQA) has evolved from simple single-fact
questions to complex questions that require graph traversal and aggregation. We propose a …

Improving embedded knowledge graph multi-hop question answering by introducing relational chain reasoning

W Jin, B Zhao, H Yu, X Tao, R Yin, G Liu - Data Mining and Knowledge …, 2023 - Springer
Abstract Knowledge Graph Question Answering (KGQA) aims to answer user-questions from
a knowledge graph (KG) by identifying the reasoning relations between topic entity and …

Lego: Latent execution-guided reasoning for multi-hop question answering on knowledge graphs

H Ren, H Dai, B Dai, X Chen… - International …, 2021 - proceedings.mlr.press
Answering complex natural language questions on knowledge graphs (KGQA) is a
challenging task. It requires reasoning with the input natural language questions as well as …

Hierarchical query graph generation for complex question answering over knowledge graph

Y Qiu, K Zhang, Y Wang, X Jin, L Bai, S Guan… - Proceedings of the 29th …, 2020 - dl.acm.org
Knowledge Graph Question Answering aims to automatically answer natural language
questions via well-structured relation information between entities stored in knowledge …

Retrieve-rewrite-answer: A kg-to-text enhanced llms framework for knowledge graph question answering

Y Wu, N Hu, G Qi, S Bi, J Ren, A Xie… - arXiv preprint arXiv …, 2023 - arxiv.org
Despite their competitive performance on knowledge-intensive tasks, large language
models (LLMs) still have limitations in memorizing all world knowledge especially long tail …

Path-based multi-hop reasoning over knowledge graph for answering questions via adversarial reinforcement learning

H Cui, T Peng, R Han, J Han, L Liu - Knowledge-Based Systems, 2023 - Elsevier
Multi-hop knowledge graph question answering targets at pinpointing the answer entities by
inferring across multiple triples in knowledge graphs. To enhance model interpretability …

Improving multi-hop question answering over knowledge graphs using knowledge base embeddings

A Saxena, A Tripathi, P Talukdar - … of the 58th annual meeting of …, 2020 - aclanthology.org
Abstract Knowledge Graphs (KG) are multi-relational graphs consisting of entities as nodes
and relations among them as typed edges. Goal of the Question Answering over KG (KGQA) …