Jan Nehring, Aleksandra Gabryszak, Pascal Jürgens, Aljoscha Burchardt, Stefan Schaffer, Matthias Spielkamp, Birgit Stark
| Challenge: | Modern large language models and chatbots are subject to criticism in many aspects. |
| Approach: | They show that large language models and chatbots are echo chambers . they annotate inputs and show that all chatbot agree . |
| Outcome: | The proposed models show that they tend to agree with the opinions of their users. |
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| Challenge: | Existing studies on social media echo chambers have been limited to numbers and formulas. |
| Approach: | They propose an LLM-based simulation for the social opinion network to evaluate and counter polarization phenomena. |
| Outcome: | The proposed model can simulate opinion dynamics and echo chambers using language-based simulations. |
What Does the Bot Say? Opportunities and Risks of Large Language Models in Social Media Bot Detection (2024.acl-long)
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| Challenge: | Social media bot detection has always been an arms race between advancements in machine learning and adversarial bot strategies to evade detection. |
| Approach: | They propose a mixture-of-heterogeneous-experts framework to divide and conquer diverse user information modalities and propose LLM-guided manipulation of user textual and structured information to evade detection. |
| Outcome: | The proposed framework outperforms state-of-the-art baselines on 1,000 annotated examples while bringing down existing detectors by 29.6% and harming calibration and reliability of bot detection systems. |
Do Language Models Have Semantics? On the Five Standard Positions (2025.acl-long)
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| Challenge: | Large language models (LLMs) are trained to solve the so-called cloze task . solving clozing tasks is essentially a memorization task, says a recent study . |
| Approach: | They propose to use five positions to determine whether large language models exhibit semantic understanding . large language model is trained to solve the so-called cloze task . |
| Outcome: | The proposed theory is based on a pairwise comparison of five positions on semantic understanding in large language models and chatbots. |
A Systematic Survey and Critical Review on Evaluating Large Language Models: Challenges, Limitations, and Recommendations (2024.emnlp-main)
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Md Tahmid Rahman Laskar, Sawsan Alqahtani, M Saiful Bari, Mizanur Rahman, Mohammad Abdullah Matin Khan, Haidar Khan, Israt Jahan, Amran Bhuiyan, Chee Wei Tan, Md Rizwan Parvez, Enamul Hoque, Shafiq Joty, Jimmy Huang
| Challenge: | Large Language Models (LLMs) have gained significant attention due to their capabilities in performing diverse tasks across domains. |
| Approach: | They review the primary challenges and limitations causing inconsistencies in evaluations . early models could generate coherent text but limited to simple tasks . |
| Outcome: | The proposed evaluations are reproducible, reliable, and robust. |
Bias in the Mirror : Are LLMs opinions robust to their own adversarial attacks (2025.acl-long)
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| Challenge: | Existing work on large language models lacks robustness, highlighting the limitations of such models. |
| Approach: | They propose a novel approach where two LLMs engage in self-debate to persuade a neutral version of the model. |
| Outcome: | The proposed approach examines whether large language models are robust during interactions and whether they are susceptible to reinforcing misinformation or shifting to harmful viewpoints. |
Factuality of Large Language Models: A Survey (2024.emnlp-main)
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Yuxia Wang, Minghan Wang, Muhammad Arslan Manzoor, Fei Liu, Georgi Georgiev, Rocktim Das, Preslav Nakov
| Challenge: | Large language models (LLMs) are factually incorrect, which limits their applicability in real-world scenarios. |
| Approach: | They analyze existing work to identify major challenges and their associated causes . they propose to evaluate LLMs using a variety of measures to mitigate factual errors . |
| Outcome: | The proposed methods are based on a variety of datasets and proposed strategies to mitigate factual errors. |
Evaluating Large Language Model Biases in Persona-Steered Generation (2024.findings-acl)
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| Challenge: | a recent wave of powerful new large language models has raised concerns that their expressed opinions may be biased towards certain political, national or moral viewpoints. |
| Approach: | They define an incongruous persona as a persona with multiple traits where one trait makes its other traits less likely in human survey data. |
| Outcome: | The results show that LLMs are less steerable towards incongruous personas than congruous ones . the models that are fine-tuned with RLHF are more steerable, especially towards stances associated with political liberals and women . |
The Potential and Challenges of Evaluating Attitudes, Opinions, and Values in Large Language Models (2024.findings-emnlp)
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Bolei Ma, Xinpeng Wang, Tiancheng Hu, Anna-Carolina Haensch, Michael Hedderich, Barbara Plank, Frauke Kreuter
| Challenge: | Recent advances in Large Language Models have sparked interest in validating human-like cognitive-behavioral traits. |
| Approach: | They examine whether LLM outputs reflect human-like cognitive-behavioral traits . they find that measuring AOVs embedded within LLMs remains opaque . |
| Outcome: | The proposed model can be used to evaluate human-like cognitive-behavioral traits . the proposed model could be used in writing assistants and other applications . |
Think Again! The Effect of Test-Time Compute on Preferences, Opinions, and Beliefs of Large Language Models (2025.acl-industry)
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| Challenge: | Large Language Models exhibit subjective preferences, opinions, and beliefs, which may shape their behavior, influence advice and recommendations, and potentially reinforce certain viewpoints. |
| Approach: | They developed a benchmark to assess LLMs’ subjective inclinations across societal, cultural, ethical, and personal domains. |
| Outcome: | The proposed benchmark assesses LLMs’ subjective inclinations across societal, cultural, ethical, and personal domains. |
Finding A Voice: Exploring the Potential of African American Dialect and Voice Generation for Chatbots (2025.acl-long)
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| Challenge: | This study examines how linguistic similarity affects chatbot performance, focusing on integrating African American English (AAE) into virtual agents to better serve the African American community. |
| Approach: | They develop text-based and spoken chatbots using large language models and text-to-speech technology and evaluate them with AAE speakers to better serve the African American community. |
| Outcome: | The proposed language-based chatbots with African American English speakers outperform standard English chatbot models and show that spoken chatbot features improve performance and preference. |