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Contextual Markov Decision Processes (CMDPs) offer a framework for sequential decision-making under external signals, but existing methods often fail to generalize in high-dimensional or unstructured contexts, resulting in excessive…

Artificial Intelligence · Computer Science 2025-10-06 Peidong Liu , Junjiang Lin , Shaowen Wang , Yao Xu , Haiqing Li , Xuhao Xie , Siyi Wu , Hao Li

Source Code Summarization is the task of writing short, natural language descriptions of source code. The main use for these descriptions is in software documentation e.g. the one-sentence Java method descriptions in JavaDocs. Code…

Computation and Language · Computer Science 2019-04-05 Alexander LeClair , Collin McMillan

Large language models (LLMs) have received significant attention by achieving remarkable performance across various tasks. However, their fixed context length poses challenges when processing long documents or maintaining extended…

Computation and Language · Computer Science 2023-04-25 Yucheng Li

Optimizing scientific software is a difficult task because codebases are often large and complex, and performance can depend upon several factors including the algorithm, its implementation, and hardware among others. Causes of poor…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-30 Daniel Nichols , Pranav Polasam , Harshitha Menon , Aniruddha Marathe , Todd Gamblin , Abhinav Bhatele

Large Language Models (LLMs) have become dominant in the Natural Language Processing (NLP) field causing a huge surge in progress in a short amount of time. However, their limitations are still a mystery and have primarily been explored…

Software Engineering · Computer Science 2024-04-11 Nathan Cooper , Torsten Scholak

Large language models (LLMs) have achieved impressive performance across natural language processing (NLP) tasks. As real-world applications increasingly demand longer context windows, continued pretraining and supervised fine-tuning (SFT)…

Computation and Language · Computer Science 2025-10-06 Yingming Zheng , Hanqi Li , Kai Yu , Lu Chen

Large language models (LLMs) have demonstrated remarkable progress in understanding long-context inputs. However, benchmarks for evaluating the long-context reasoning abilities of LLMs fall behind the pace. Existing benchmarks often focus…

Computation and Language · Computer Science 2025-11-19 Zhan Ling , Kang Liu , Kai Yan , Yifan Yang , Weijian Lin , Ting-Han Fan , Lingfeng Shen , Zhengyin Du , Jiecao Chen

The use of Large Language Models (LLMs) has drawn growing interest within the scientific community. LLMs can handle large volumes of textual data and support methods for evidence synthesis. Although recent studies highlight the potential of…

Software Engineering · Computer Science 2026-02-12 Cauã Ferreira Barros , Marcos Kalinowski , Mohamad Kassab , Valdemar Vicente Graciano Neto

Large language models (LLMs) for natural language processing have been grafted onto programming language modeling for advancing code intelligence. Although it can be represented in the text format, code is syntactically more rigorous in…

Software Engineering · Computer Science 2023-09-20 Jiabo Huang , Jianyu Zhao , Yuyang Rong , Yiwen Guo , Yifeng He , Hao Chen

Large Language Models (LLMs) have achieved significant advancements, but the increasing complexity of tasks and higher performance demands highlight the need for continuous improvement. Some approaches utilize synthetic data generated by…

Artificial Intelligence · Computer Science 2025-06-23 Haokun Zhao , Jinyi Han , Jiaqing Liang , Yanghua Xiao , Xiaojun Meng , Jiansheng Wei

Self-supervision based on the information extracted from large knowledge graphs has been shown to improve the generalization of language models, in zero-shot evaluation on various downstream language reasoning tasks. Since these…

Computation and Language · Computer Science 2022-05-24 Jiarui Zhang , Filip Ilievski , Kaixin Ma , Jonathan Francis , Alessandro Oltramari

Large Language Models~(LLMs) struggle with providing current information due to the outdated pre-training data. Existing methods for updating LLMs, such as knowledge editing and continual fine-tuning, have significant drawbacks in…

Computation and Language · Computer Science 2024-02-12 Pengfei Yu , Heng Ji

The programming skill is one crucial ability for Large Language Models (LLMs), necessitating a deep understanding of programming languages (PLs) and their correlation with natural languages (NLs). We examine the impact of pre-training data…

Computation and Language · Computer Science 2024-02-21 Demin Song , Honglin Guo , Yunhua Zhou , Shuhao Xing , Yudong Wang , Zifan Song , Wenwei Zhang , Qipeng Guo , Hang Yan , Xipeng Qiu , Dahua Lin

In some areas of computing, natural language processing and information science, progress is made by sharing datasets and challenging the community to design the best algorithm for an associated task. This article introduces a shared…

Digital Libraries · Computer Science 2026-01-27 Mike Thelwall

While large language models (LLMs) can already achieve strong performance on standard generic summarization benchmarks, their performance on more complex summarization task settings is less studied. Therefore, we benchmark LLMs on…

Computation and Language · Computer Science 2024-07-15 Yixin Liu , Alexander R. Fabbri , Jiawen Chen , Yilun Zhao , Simeng Han , Shafiq Joty , Pengfei Liu , Dragomir Radev , Chien-Sheng Wu , Arman Cohan

Recently, there has been increasing activity in using deep learning for software engineering, including tasks like code generation and summarization. In particular, the most recent coding Large Language Models seem to perform well on these…

Artificial Intelligence · Computer Science 2024-05-30 Balázs Szalontai , Gergő Szalay , Tamás Márton , Anna Sike , Balázs Pintér , Tibor Gregorics

High-quality long-context data is essential for training large language models (LLMs) capable of processing extensive documents, yet existing synthesis approaches using relevance-based aggregation face challenges of computational…

Computation and Language · Computer Science 2025-09-22 Junlong Jia , Xing Wu , Chaochen Gao , Ziyang Chen , Zijia Lin , Zhongzhi Li , Weinong Wang , Haotian Xu , Donghui Jin , Debing Zhang , Binghui Guo

Large language models (LLMs) have mastered abundant simple and explicit commonsense knowledge through pre-training, enabling them to achieve human-like performance in simple commonsense reasoning. Nevertheless, LLMs struggle to reason with…

Computation and Language · Computer Science 2025-06-10 Kai Xiong , Xiao Ding , Yixin Cao , Yuxiong Yan , Li Du , Yufei Zhang , Jinglong Gao , Jiaqian Liu , Bing Qin , Ting Liu

Pretraining language models directly on web-scale corpora is the de facto paradigm. We study an alternative where the model is initially exposed to abstract structured data to ease the subsequent acquisition of rich semantic knowledge, much…

Computation and Language · Computer Science 2026-05-29 Liangze Jiang , Zachary Shinnick , Anton van den Hengel , Hemanth Saratchandran , Damien Teney

Recent advancements in large language models (LLMs) have highlighted the importance of extending context lengths for handling complex tasks. While traditional methods for training on long contexts often use filtered long documents, these…

Computation and Language · Computer Science 2025-02-12 Chaochen Gao , Xing Wu , Qi Fu , Songlin Hu