| Challenge: | Existing work on quantum physics models language understanding using quantum probability . |
| Approach: | They propose a quantum-theoretic framework that unifies different linguistic units in a single complex-valued vector space and a complex-valuable network for semantic matching. |
| Outcome: | The proposed framework achieves comparable performances to strong CNN and RNN baselines on two benchmarking question answering (QA) datasets. |
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Natural Language Processing Meets Quantum Physics: A Survey and Categorization (2021.emnlp-main)
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| Challenge: | Recent research has focused on quantum-inspired algorithms for NLP and quantum-based algorithms for cognition. |
| Approach: | They propose to categorize quantum-inspired algorithms according to quantum theory, linguistic targets that are modeled, and the downstream application. |
| Outcome: | The proposed methods are categorized according to the use of quantum theory, the linguistic targets that are modeled, and the downstream application. |
Proto-lm: A Prototypical Network-Based Framework for Built-in Interpretability in Large Language Models (2023.findings-emnlp)
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| Challenge: | Existing methods for interpreting LLMs are post hoc and focus on low-level features and lack of explainability at higher-level text units. |
| Approach: | They propose a prototypical network-based white-box framework that allows LLMs to learn immediately interpretable embeddings during the fine-tuning stage while maintaining competitive performance. |
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QuantumQA: Enhancing Scientific Reasoning via Physics-Consistent Dataset and Verification-Aware Reinforcement Learning (2026.acl-long)
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Songxin Qu, Tai-Ping Sun, Yun-Jie Wang, Huan-Yu Liu, Cheng Xue, Xiao-Fan Xu, Han Fang, Yang Yang, Yu-Chun Wu, Guo-Ping Guo, Zhao-Yun Chen
| Challenge: | Large language models lack reliability in scientific domains that require strict adherence to physical constraints. |
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QASem Parsing: Text-to-text Modeling of QA-based Semantics (2022.emnlp-main)
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| Challenge: | Existing work suggests the appeals of incorporating explicit semantic representations into NLP . semi-structured natural language structures provide an intermediate meaning-capturing representation . |
| Approach: | They propose a semi-structured natural-language representation of textual information . they examine input and output linearization strategies and multitask learning . |
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QA-GNN: Reasoning with Language Models and Knowledge Graphs for Question Answering (2021.naacl-main)
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| Challenge: | Existing question answering systems lack the ability to access relevant knowledge and reason over it. |
| Approach: | They propose a model that uses KGs to identify relevant knowledge in QA contexts and perform joint reasoning over them. |
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A Quantum-Inspired Matching Network with Linguistic Theories for Metaphor Detection (2024.lrec-main)
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| Challenge: | Metaphor identification procedures and selectional preference violations are challenging for machines to recognize and comprehend metaphors. |
| Approach: | They propose a quantum-inspired matching network for metaphor detection based on QLM . metaphors are widely present in the language, thought and behavior of humans . |
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Beyond Value Benchmarks: Measuring Value-Structure Alignment in Large Language Models via Symmetric Q-Sorts (2026.acl-long)
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| Challenge: | Existing evaluations of Large Language Models (LLMs) focus on item-level behavioral metrics without capturing how models prioritize competing values as a whole. |
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Text Modular Networks: Learning to Decompose Tasks in the Language of Existing Models (2021.naacl-main)
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| Challenge: | Existing approaches to decompose complex tasks into simpler ones do not require annotated decompositions. |
| Approach: | They propose a framework for building interpretable systems that learn to solve complex tasks by decomposing existing models into simpler ones solvable by existing models. |
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SCIURus: Shared Circuits for Interpretable Uncertainty Representations in Language Models (2025.naacl-long)
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| Challenge: | Existing methods for uncertainty quantification in large language models provide little insight into factors responsible for an uncertainty estimate, limiting their usefulness as practical tools for improving trustworthiness and understanding uncertainty reasoning. |
| Approach: | They adapt causal tracing and zero-ablation techniques to study the effect of different circuits on LLM generation to identify whether factuality of generated responses and uncertainty originate in separate or shared circuits. |
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Value FULCRA: Mapping Large Language Models to the Multidimensional Spectrum of Basic Human Value (2024.naacl-long)
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| Challenge: | Existing work specifies values as risk criteria formulated in the AI community, e.g., fairness and privacy protection, suffering from poor clarity, adaptability and transparency. |
| Approach: | They propose a value alignment paradigm based on Schwartz's Theory of Basic Values as an instantiation and propose 'BaseAlign' to support this paradigm. |
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