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Large language models (LLMs), such as LLaMA, Alpaca, Vicuna, GPT-3.5 and GPT-4, have advanced the performance of AI systems on various natural language processing tasks to human-like levels. However, their generalisation and robustness when…

Computation and Language · Computer Science 2025-01-20 Qiming Bao , Gael Gendron , Alex Yuxuan Peng , Wanjun Zhong , Neset Tan , Yang Chen , Michael Witbrock , Jiamou Liu

State-of-the-art Large Language Models (LLMs) achieve high pass@1 on general benchmarks like HumanEval but underperform on specialized suites such as ParEval. Is this due to LLMs missing domain knowledge or insufficient prompt detail is…

Computation and Language · Computer Science 2025-08-06 Yangtian Zi , Harshitha Menon , Arjun Guha

Most large language models (LLMs) are sensitive to prompts, and another synonymous expression or a typo may lead to unexpected results for the model. Composing an optimal prompt for a specific demand lacks theoretical support and relies…

Computation and Language · Computer Science 2024-06-18 Zhenyu Zhang , Bingguang Hao , Jinpeng Li , Zekai Zhang , Dongyan Zhao

Large language models (LLMs) have become mainstream technology with their versatile use cases and impressive performance. Despite the countless out-of-the-box applications, LLMs are still not reliable. A lot of work is being done to improve…

Computation and Language · Computer Science 2023-06-13 Aisha Khatun , Daniel G. Brown

Large Language Models (LLMs) have demonstrated impressive performance in code generation tasks under idealized conditions, where task descriptions are clear and precise. However, in practice, task descriptions frequently exhibit ambiguity,…

Software Engineering · Computer Science 2025-07-29 Maya Larbi , Amal Akli , Mike Papadakis , Rihab Bouyousfi , Maxime Cordy , Federica Sarro , Yves Le Traon

In large language models (LLM)-based recommendation systems (LLM-RSs), accurately predicting user preferences by leveraging the general knowledge of LLMs is possible without requiring extensive training data. By converting recommendation…

Information Retrieval · Computer Science 2024-12-20 Genki Kusano , Kosuke Akimoto , Kunihiro Takeoka

Advanced LLMs have achieved near-ceiling instruction-following accuracy on benchmarks such as IFEval. However, these impressive scores do not necessarily translate to reliable services in real-world use, where users often vary their…

Software Engineering · Computer Science 2026-05-29 Jianshuo Dong , Yutong Zhang , Yan Liu , Zhenyu Zhong , Tao Wei , Chao Zhang , Han Qiu

Self-play preference optimization has emerged as a prominent paradigm for aligning large language models (LLMs). It typically involves a language model to generate on-policy responses for prompts and a reward model (RM) to guide the…

Computation and Language · Computer Science 2026-03-03 Yao Xiao , Jung-jae Kim , Roy Ka-wei Lee , Lidong Bing

In long context scenarios, large language models (LLMs) face three main challenges: higher computational cost, performance reduction, and position bias. Research indicates that LLM performance hinges on the density and position of key…

Computation and Language · Computer Science 2024-08-13 Huiqiang Jiang , Qianhui Wu , Xufang Luo , Dongsheng Li , Chin-Yew Lin , Yuqing Yang , Lili Qiu

LLMs are highly sensitive to prompt phrasing, yet standard benchmarks typically report performance using a single prompt, raising concerns about the reliability of such evaluations. In this work, we argue for a stochastic method of moments…

Computation and Language · Computer Science 2025-09-16 Gili Lior , Eliya Habba , Shahar Levy , Avi Caciularu , Gabriel Stanovsky

Large language models (LLMs) have achieved top results in recent machine translation evaluations, but they are also known to be sensitive to errors and perturbations in their prompts. We systematically evaluate how both humanly plausible…

Computation and Language · Computer Science 2025-09-03 Patrícia Schmidtová , Niyati Bafna , Seth Aycock , Gianluca Vico , Wiktor Kamzela , Katharina Hämmerl , Vilém Zouhar

The performance of pre-trained Large Language Models (LLMs) is often sensitive to nuances in prompt templates, requiring careful prompt engineering, adding costs in terms of computing and human effort. In this study, we present experiments…

Computation and Language · Computer Science 2025-05-27 Liang Cheng , Tianyi LI , Zhaowei Wang , Mark Steedman

Large Language Models (LLMs) have showcased remarkable capabilities in following human instructions. However, recent studies have raised concerns about the robustness of LLMs when prompted with instructions combining textual adversarial…

Computation and Language · Computer Science 2024-02-27 Yuansen Zhang , Xiao Wang , Zhiheng Xi , Han Xia , Tao Gui , Qi Zhang , Xuanjing Huang

Most popular benchmarks for comparing LLMs rely on a limited set of prompt templates, which may not fully capture the LLMs' abilities and can affect the reproducibility of results on leaderboards. Many recent works empirically verify prompt…

In the era of large language models (LLMs), code benchmarks have become an important research area in software engineering and are widely used by practitioners. These benchmarks evaluate the performance of LLMs on specific code-related…

Software Engineering · Computer Science 2025-06-24 Zhiyuan Pan , Xing Hu , Xin Xia , Xiaohu Yang

Advances in large language models (LLMs) have empowered a variety of applications. However, there is still a significant gap in research when it comes to understanding and enhancing the capabilities of LLMs in the field of mental health. In…

Computation and Language · Computer Science 2024-01-30 Xuhai Xu , Bingsheng Yao , Yuanzhe Dong , Saadia Gabriel , Hong Yu , James Hendler , Marzyeh Ghassemi , Anind K. Dey , Dakuo Wang

The ability of large language models (LLMs) to $``$learn in context$"$ based on the provided prompt has led to an explosive growth in their use, culminating in the proliferation of AI assistants such as ChatGPT, Claude, and Bard. These AI…

Computation and Language · Computer Science 2024-05-30 Namrata Shivagunde , Vladislav Lialin , Sherin Muckatira , Anna Rumshisky

Large language models (LLMs) increasingly assist software engineering tasks that require reasoning over long code contexts, yet their robustness under varying input conditions remains unclear. We conduct a systematic study of long-context…

Software Engineering · Computer Science 2026-02-20 Kishan Maharaj , Nandakishore Menon , Ashita Saxena , Srikanth Tamilselvam

Evaluating Large Language Model (LLM) applications differs from traditional software testing because outputs are stochastic, high-dimensional, and sensitive to prompt and model changes. We present an evaluation-driven workflow - Define,…

Computation and Language · Computer Science 2026-01-30 Daniel Commey

Large Language Models (LLMs) have demonstrated remarkable problem-solving and basic mathematics abilities. However, their efficacy is highly contingent on the formulation of the prompt. This study endeavors to quantify the influence of…

Computation and Language · Computer Science 2024-02-21 Rick Battle , Teja Gollapudi