Papers by Jon Johnson
Revealing COVID-19’s Social Dynamics: Diachronic Semantic Analysis of Vaccine and Symptom Discourse on Twitter (2024.findings-emnlp)
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| Challenge: | Social media data provide a new source for social science and cultural analysis research, but its analysis is challenging due to the semantic shift phenomenon, where word meanings evolve over time. |
| Approach: | They propose an unsupervised dynamic word embedding method to capture longitudinal semantic shifts in social media data without predefined anchor words. |
| Outcome: | The proposed method captures longitudinal semantic shifts in social media data without predefined anchor words and leverages word co-occurrence statistics and dynamic updating to adapt embeddings over time. |
DLIR: Spherical Adaptation for Cross-Lingual Knowledge Transfer of Sociological Concepts Alignment (2025.findings-emnlp)
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| Challenge: | Existing methods for identifying nuanced sociological concepts fail to capture domain-specific subtleties or require extensive parallel data. |
| Approach: | a new approach to aligning nuanced sociological concepts is proposed . a dual-branch LoRA approach captures core semantics and counteracts specific language perturbations. |
| Outcome: | a new approach outperforms baselines on cross-lingual sociological concept retrieval across 10 languages. |
Learning LLM Preference over Intra-Dialogue Pairs: A Framework for Utterance-level Understandings (2025.naacl-industry)
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Xuanqing Liu, Luyang Kong, Wei Niu, Afshin Khashei, Belinda Zeng, Steve Johnson, Jon Jay, Davor Golac, Matt Pope
| Challenge: | Large language models (LLMs) have demonstrated remarkable capabilities in handling complex dialogue tasks without requiring use case-specific fine-tuning. |
| Approach: | They propose a framework that combines the scalability of LLM-generated labels with the precision of human annotations to achieve higher speed and accuracy comparable to larger models. |
| Outcome: | The proposed framework significantly improves accuracy across utterance-level dialogue tasks, including sentiment detection (over 2%), dialogue act classification (over 1.5%), etc. |