Recent progress in leveraging deep learning methods for question answering

T Hao, X Li, Y He, FL Wang, Y Qu - Neural Computing and Applications, 2022 - Springer
Question answering, serving as one of important tasks in natural language processing,
enables machines to understand questions in natural language and answer the questions …

A Comprehensive Survey on Relation Extraction: Recent Advances and New Frontiers

X Zhao, Y Deng, M Yang, L Wang, R Zhang… - ACM Computing …, 2024 - dl.acm.org
Relation extraction (RE) involves identifying the relations between entities from underlying
content. RE serves as the foundation for many natural language processing (NLP) and …

A survey on complex knowledge base question answering: Methods, challenges and solutions

Y Lan, G He, J Jiang, J Jiang, WX Zhao… - arXiv preprint arXiv …, 2021 - arxiv.org
Knowledge base question answering (KBQA) aims to answer a question over a knowledge
base (KB). Recently, a large number of studies focus on semantically or syntactically …

Query graph generation for answering multi-hop complex questions from knowledge bases

Y Lan, J Jiang - 2020 - ink.library.smu.edu.sg
Previous work on answering complex questions from knowledge bases usually separately
addresses two types of complexity: questions with constraints and questions with multiple …

Rng-kbqa: Generation augmented iterative ranking for knowledge base question answering

X Ye, S Yavuz, K Hashimoto, Y Zhou… - arXiv preprint arXiv …, 2021 - arxiv.org
Existing KBQA approaches, despite achieving strong performance on iid test data, often
struggle in generalizing to questions involving unseen KB schema items. Prior ranking …

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 …

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 …

Subgraph retrieval enhanced model for multi-hop knowledge base question answering

J Zhang, X Zhang, J Yu, J Tang, J Tang, C Li… - arXiv preprint arXiv …, 2022 - arxiv.org
Recent works on knowledge base question answering (KBQA) retrieve subgraphs for easier
reasoning. A desired subgraph is crucial as a small one may exclude the answer but a large …

Tiara: Multi-grained retrieval for robust question answering over large knowledge bases

Y Shu, Z Yu, Y Li, BF Karlsson, T Ma, Y Qu… - arXiv preprint arXiv …, 2022 - arxiv.org
Pre-trained language models (PLMs) have shown their effectiveness in multiple scenarios.
However, KBQA remains challenging, especially regarding coverage and generalization …

Complex knowledge base question answering: A survey

Y Lan, G He, J Jiang, J Jiang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Knowledge base question answering (KBQA) aims to answer a question over a knowledge
base (KB). Early studies mainly focused on answering simple questions over KBs and …