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In retrieval-augmented generation (RAG) question answering systems, generating citations for large language model (LLM) outputs enhances verifiability and helps users identify potential hallucinations. However, we observe two problems in…

Computation and Language · Computer Science 2025-10-21 Guo Chen , Qiuyuan Li , Qiuxian Li , Hongliang Dai , Xiang Chen , Piji Li

Generating multiple counterfactual explanations for different modes within a class presents a significant challenge, as these modes are distinct yet converge under the same classification. Diffusion probabilistic models (DPMs) have…

Machine Learning · Computer Science 2025-02-21 Suparshva Jain , Amit Sangroya , Lovekesh Vig

We present {\em generative clustering} (GC) for clustering a set of documents, $\mathrm{X}$, by using texts $\mathrm{Y}$ generated by large language models (LLMs) instead of by clustering the original documents $\mathrm{X}$. Because LLMs…

Machine Learning · Computer Science 2024-12-19 Xin Du , Kumiko Tanaka-Ishii

Despite considerable advancements with deep neural language models (LMs), neural text generation still suffers from degeneration: the generated text is repetitive, generic, self-contradictory, and often lacks commonsense. Our analyses on…

Computation and Language · Computer Science 2021-10-15 Yue Dong , Chandra Bhagavatula , Ximing Lu , Jena D. Hwang , Antoine Bosselut , Jackie Chi Kit Cheung , Yejin Choi

Existing large language models have to run K times to generate a sequence of K tokens. In this paper, we present RecycleGPT, a generative language model with fast decoding speed by recycling pre-generated model states without running the…

Computation and Language · Computer Science 2024-05-24 Yufan Jiang , Qiaozhi He , Xiaomin Zhuang , Zhihua Wu , Kunpeng Wang , Wenlai Zhao , Guangwen Yang

Mathematical theorem proving is an important testbed for large language models' deep and abstract reasoning capability. This paper focuses on improving LLMs' ability to write proofs in formal languages that permit automated proof…

Machine Learning · Computer Science 2024-11-05 Kefan Dong , Arvind Mahankali , Tengyu Ma

We introduce LeanConjecturer, a pipeline for automatically generating university-level mathematical conjectures in Lean 4 using Large Language Models (LLMs). Our hybrid approach combines rule-based context extraction with LLM-based theorem…

Artificial Intelligence · Computer Science 2025-06-30 Naoto Onda , Kazumi Kasaura , Yuta Oriike , Masaya Taniguchi , Akiyoshi Sannai , Sho Sonoda

We use the generating function of the characters of $C_2$ to obtain a generating function for the multiplicities of the weights entering in the irreducible representations of that simple Lie algebra. From this generating function we derive…

Mathematical Physics · Physics 2016-03-27 José Fernández Nuñez , Wifredo García Fuertes , Askold M. Perelomov

Retrieval-Augmented Generation (RAG) has been widely adopted to enhance Large Language Models (LLMs) in knowledge-intensive tasks. To enhance credibility and verifiability in RAG systems, Attributed Text Generation (ATG) is proposed, which…

Computation and Language · Computer Science 2025-05-26 Sirui Xia , Xintao Wang , Jiaqing Liang , Yifei Zhang , Weikang Zhou , Jiaji Deng , Fei Yu , Yanghua Xiao

Machine-generated citation sentences can aid automated scientific literature review and assist article writing. Current methods in generating citation text were limited to single citation generation using the citing document and a cited…

Computation and Language · Computer Science 2021-12-10 Jia-Yan Wu , Alexander Te-Wei Shieh , Shih-Ju Hsu , Yun-Nung Chen

Large language models (LLMs) exhibit remarkable generative capabilities but often suffer from hallucinations. Retrieval-augmented generation (RAG) offers an effective solution by incorporating external knowledge, but existing methods still…

Computation and Language · Computer Science 2024-12-17 Xiaoxi Li , Jiajie Jin , Yujia Zhou , Yongkang Wu , Zhonghua Li , Qi Ye , Zhicheng Dou

Large Language Models (LLMs) enhanced with retrieval -- commonly referred to as Retrieval-Augmented Generation (RAG) -- have demonstrated strong performance in knowledge-intensive tasks. However, RAG pipelines often fail when retrieved…

Computation and Language · Computer Science 2025-11-07 Shiyin Lin

When developing text classification models for real world applications, one major challenge is the difficulty to collect sufficient data for all text classes. In this work, we address this challenge by utilizing large language models (LLMs)…

Computation and Language · Computer Science 2025-08-15 Chenhao Xue , Yuanzhe Jin , Adrian Carrasco-Revilla , Joyraj Chakraborty , Min Chen

We give two explicit sets of generators of the group of invertible regular functions over QQ on the modular curve Y1(N). The first set of generators is very surprising. It is essentially the set of defining equations of Y1(k) for k <= N/2…

Number Theory · Mathematics 2022-12-14 Marco Streng

We present a tool, simplify-defun, that transforms the definition of a given function into a simplified definition of a new function, providing a proof checked by ACL2 that the old and new functions are equivalent. When appropriate it also…

Programming Languages · Computer Science 2017-05-04 Alessandro Coglio , Matt Kaufmann , Eric W. Smith

Generic text rewriting is a prevalent large language model (LLM) application that covers diverse real-world tasks, such as style transfer, fact correction, and email editing. These tasks vary in rewriting objectives (e.g., factual…

Computation and Language · Computer Science 2025-03-11 Yufei Li , John Nham , Ganesh Jawahar , Lei Shu , David Uthus , Yun-Hsuan Sung , Chengrun Yang , Itai Rolnick , Yi Qiao , Cong Liu

A notion of generalized regular expressions for a large class of systems modeled as coalgebras, and an analogue of Kleene's theorem and Kleene algebra, were recently proposed by a subset of the authors of this paper. Examples of the systems…

Logic in Computer Science · Computer Science 2013-03-12 Marcello Bonsangue , Georgiana Caltais , Eugen-Ioan Goriac , Dorel Lucanu , Jan Rutten , Alexandra Silva

This paper explores the semantics of a combinatory fragment of reFLect, the lambda-calculus underlying a functional language used by Intel Corporation for hardware design and verification. ReFLect is similar to ML, but has a primitive data…

Logic in Computer Science · Computer Science 2013-09-24 Tom Melham , Raphael Cohn , Ian Childs

One major deficiency of most semantic representation techniques is that they usually model a word type as a single point in the semantic space, hence conflating all the meanings that the word can have. Addressing this issue by learning…

Computation and Language · Computer Science 2016-08-08 Mohammad Taher Pilehvar , Nigel Collier

We present a tool that automates termination proofs for recursive definitions by mining existing termination theorems.

Logic in Computer Science · Computer Science 2018-10-16 Matt Kaufmann