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Program merging is standard practice when developers integrate their individual changes to a common code base. When the merge algorithm fails, this is called a merge conflict. The conflict either manifests in textual merge conflicts where…

Software Engineering · Computer Science 2021-11-24 Jialu Zhang , Todd Mytkowicz , Mike Kaufman , Ruzica Piskac , Shuvendu K. Lahiri

While Large Language Models (LLMs) have demonstrated remarkable capabilities in code generation, they often produce solutions that lack guarantees of correctness, robustness, and efficiency. This limitation is particularly acute in domains…

Software Engineering · Computer Science 2025-09-04 Yueke Zhang , Yifan Zhang , Kevin Leach , Yu Huang

Semantic conflicts arise when a developer introduces changes to a codebase that unintentionally affect the behavior of changes integrated in parallel by other developers. Traditional merge tools are unable to detect such conflicts, so…

Software Engineering · Computer Science 2025-08-15 Nathalia Barbosa , Paulo Borba , Léuson Da Silva

We investigate a surprising limitation of LLMs: their inability to consistently generate text in a user's desired language. We create the Language Confusion Benchmark (LCB) to evaluate such failures, covering 15 typologically diverse…

Computation and Language · Computer Science 2025-04-07 Kelly Marchisio , Wei-Yin Ko , Alexandre Bérard , Théo Dehaze , Sebastian Ruder

In recent years, large language models (LLMs) have made significant advancements in developing human-like and engaging dialogue systems. However, in tasks such as consensus-building and persuasion, LLMs often struggle to resolve conflicts…

Artificial Intelligence · Computer Science 2025-11-14 Zhaoqun Li , Xiaotong Fang , Chen Chen , Mengze Li , Beishui Liao

Large language models accumulate extensive parametric knowledge through pre-training. However, knowledge conflicts occur when outdated or incorrect parametric knowledge conflicts with external knowledge in the context. Existing methods…

Computation and Language · Computer Science 2026-05-13 Yigeng Zhou , Wu Li , Yifan Lu , Yequan Wang , Xuebo Liu , Wenya Wang , Jun Yu , Min Zhang , Jing Li

Past work seeks to align large language model (LLM)-based assistants with a target set of values, but such assistants are frequently forced to make tradeoffs between values when deployed. In response to the scarcity of value conflict in…

Computation and Language · Computer Science 2026-02-27 Andy Liu , Kshitish Ghate , Mona Diab , Daniel Fried , Atoosa Kasirzadeh , Max Kleiman-Weiner

Large language models (LLMs) increasingly rely on explicit reasoning to solve coding tasks, yet evaluating the quality of this reasoning remains challenging. Existing reasoning evaluators are not designed for coding, and current benchmarks…

Software Engineering · Computer Science 2026-04-15 Yuangang Li , Justin Tian Jin Chen , Ethan Yu , David Hong , Iftekhar Ahmed

Large Reasoning Models (LRMs) have achieved remarkable performance across diverse domains, yet their decision-making under conflicting objectives remains insufficiently understood. This work investigates how LRMs respond to harmful queries…

Cryptography and Security · Computer Science 2026-04-14 Honghao Liu , Chengjin Xu , Xuhui Jiang , Cehao Yang , Shengming Yin , Zhengwu Ma , Lionel Ni , Jian Guo

Background. During collaborative software development, developers often use branches to add features or fix bugs. When merging changes from two branches, conflicts may occur if the changes are inconsistent. Developers need to resolve these…

Software Engineering · Computer Science 2019-07-16 Moein Owhadi-Kareshk , Sarah Nadi , Julia Rubin

The integration of Large Language Models (LLMs) into software engineering has driven a transition from traditional rule-based systems to autonomous agentic systems capable of solving complex problems. However, systematic progress is…

Software Engineering · Computer Science 2025-10-24 Jiale Guo , Suizhi Huang , Mei Li , Dong Huang , Xingsheng Chen , Regina Zhang , Zhijiang Guo , Han Yu , Siu-Ming Yiu , Pietro Lio , Kwok-Yan Lam

Large Language Models (LLMs) augmented with retrieval mechanisms have demonstrated significant potential in fact-checking tasks by integrating external knowledge. However, their reliability decreases when confronted with conflicting…

Computation and Language · Computer Science 2025-05-26 Ziyu Ge , Yuhao Wu , Daniel Wai Kit Chin , Roy Ka-Wei Lee , Rui Cao

As large language models (LLMs) evolve into autonomous agents capable of acting in open-ended environments, ensuring behavioral alignment with human values becomes a critical safety concern. Existing benchmarks, focused on static,…

Computation and Language · Computer Science 2026-03-10 Weixiang Zhao , Haozhen Li , Yanyan Zhao , xuda zhi , Yongbo Huang , Hao He , Bing Qin , Ting Liu

Large Language Models (LLMs) are frequently used for multi-faceted language generation and evaluation tasks that involve satisfying intricate user constraints or taking into account multiple aspects and criteria. However, their performance…

Computation and Language · Computer Science 2024-06-10 Swarnadeep Saha , Omer Levy , Asli Celikyilmaz , Mohit Bansal , Jason Weston , Xian Li

Large Language Models (LLMs) encode vast world knowledge across multiple languages, yet their internal beliefs are often unevenly distributed across linguistic spaces. When external evidence contradicts these language-dependent memories,…

Computation and Language · Computer Science 2026-01-13 Jiaqi Zhao , Qiang Huang , Haodong Chen , Xiaoxing You , Jun Yu

This paper investigates how large language models (LLMs) behave when faced with discrepancies between their parametric knowledge and conflicting information contained in a prompt. Building on prior question-answering (QA) research, we…

Computation and Language · Computer Science 2025-10-23 Jaesung Bae , Cameron Churchwell , Mitchell Hermon , Tsun-An Hsieh , Jocelyn Xu , Yekaterina Yegorova , Mark Hasegawa-Johnson , Heng Ji

In this work, we systematically expose and measure the inconsistency and knowledge gaps of Large Language Models (LLMs). Specifically, we propose an automated testing framework (called KonTest) which leverages a knowledge graph to construct…

Computation and Language · Computer Science 2025-08-15 Sai Sathiesh Rajan , Ezekiel Soremekun , Sudipta Chattopadhyay

Given the rise of conflicts on social media, effective classification models to detect harmful behaviours are essential. Following the garbage-in-garbage-out maxim, machine learning performance depends heavily on training data quality.…

Computation and Language · Computer Science 2025-07-01 Oliver Warke , Joemon M. Jose , Faegheh Hasibi , Jan Breitsohl

In recent times, a plethora of Large Code Generation Models (LCGMs) have been proposed, showcasing significant potential in assisting developers with complex programming tasks. Benchmarking LCGMs necessitates the creation of a set of…

Software Engineering · Computer Science 2024-01-30 Simin Chen , Xiaoning Feng , Xiaohong Han , Cong Liu , Wei Yang

The rapid proliferation of benchmarks for evaluating large language models (LLMs) has created an urgent need for systematic methods to assess benchmark quality itself. We propose Benchmark^2, a comprehensive framework comprising three…