A Survey of Knowledge-Intensive NLP with Pre-Trained Language Models
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Abstract (arXiv)
With the increasing of model capacity brought by pre-trained language models, there emerges boosting needs for more knowledgeable natural language processing (NLP) models with advanced functionalities including providing and making flexible use of encyclopedic and commonsense knowledge. The mere pre-trained language models, however, lack the capacity of handling such knowledge-intensive NLP tasks alone. To address this challenge, large numbers of pre-trained language models augmented with external knowledge sources are proposed and in rapid development. In this paper, we aim to summarize the current progress of pre-trained language model-based knowledge-enhanced models (PLMKEs) by dissecting their three vital elements: knowledge sources, knowledge-intensive NLP tasks, and knowledge fusion methods. Finally, we present the challenges of PLMKEs based on the discussion regarding the three elements and attempt to provide NLP practitioners with potential directions for further research.
Key facts. Cited by 30 papers in the map (data through 7 Oct 2026). Builds on 53 of its 75 references that are in the map. First posted on arXiv 17 Feb 2022.
Builds on
53 of 75 references.
References · 53
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Citing papers per year: 2022: 7; 2023: 13; 2024: 6; 2025: 3; 2026: 1.
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- 2024Knowledge-aware Text-Image Retrieval for Remote Sensing Images6 May 2024
- 2024SeCG: Semantic-Enhanced 3D Visual Grounding via Cross-modal Graph Attention13 Mar 2024
- 2024Synergizing Machine Learning & Symbolic Methods: A Survey on Hybrid Approaches to Natural Language Processing22 Jan 2024
- 2023How Do Large Language Models Capture the Ever-changing World Knowledge? A Review of Recent Advances11 Oct 2023
- 2023Multimodal Foundation Models: From Specialists to General-Purpose Assistants18 Sep 2023
- 2023Evaluating Large Language Models on Graphs: Performance Insights and Comparative Analysis22 Aug 2023
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- 2023Unifying Large Language Models and Knowledge Graphs: A Roadmap14 Jun 2023
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