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Test-time scaling methods improve the capabilities of large language models (LLMs) by increasing the amount of compute used during inference to make a prediction. Inference-time compute can be scaled in parallel by choosing among multiple…

Organizations increasingly rely on proprietary enterprise data, including HR records, structured reports, and tabular documents, for critical decision-making. While Large Language Models (LLMs) have strong generative capabilities, they are…

Computation and Language · Computer Science 2025-07-17 Chandana Cheerla

Grounding conversations in existing passages, known as Retrieval-Augmented Generation (RAG), is an important aspect of Chat-Based Assistants powered by Large Language Models (LLMs) to ensure they are faithful and don't provide…

Human-Computer Interaction · Computer Science 2025-10-15 Sara Rosenthal , Maeda Hanafi , Yannis Katsis , Lucian Popa , Marina Danilevsky

Large-scale language models (LLMs) have achieved remarkable success across various language tasks but suffer from hallucinations and temporal misalignment. To mitigate these shortcomings, Retrieval-augmented generation (RAG) has been…

Computation and Language · Computer Science 2024-04-30 Zhongzhen Huang , Kui Xue , Yongqi Fan , Linjie Mu , Ruoyu Liu , Tong Ruan , Shaoting Zhang , Xiaofan Zhang

Synthetic data has become a cornerstone for scaling large language models, yet its multilingual use remains bottlenecked by translation-based prompts. This strategy inherits English-centric framing and style and neglects cultural…

Computation and Language · Computer Science 2025-10-23 David Mora , Viraat Aryabumi , Wei-Yin Ko , Sara Hooker , Julia Kreutzer , Marzieh Fadaee

The growing interest in Large Language Models (LLMs) for specialized applications has revealed a significant challenge: when tailored to specific domains, LLMs tend to experience catastrophic forgetting, compromising their general…

Computation and Language · Computer Science 2024-03-06 Rui Wang , Fei Mi , Yi Chen , Boyang Xue , Hongru Wang , Qi Zhu , Kam-Fai Wong , Ruifeng Xu

Robust Model-Agnostic Meta-Learning (MAML) is usually adopted to train a meta-model which may fast adapt to novel classes with only a few exemplars and meanwhile remain robust to adversarial attacks. The conventional solution for robust…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Xiaoyue Duan , Guoliang Kang , Runqi Wang , Shumin Han , Song Xue , Tian Wang , Baochang Zhang

In supervised machine learning (SML) research, large training datasets are essential for valid results. However, obtaining primary data in learning analytics (LA) is challenging. Data augmentation can address this by expanding and…

Machine Learning · Computer Science 2024-12-04 Valdemar Švábenský , Conrad Borchers , Elizabeth B. Cloude , Atsushi Shimada

Textual descriptions for multimodal inputs entail recurrent refinement of queries to produce relevant output images. Despite efforts to address challenges such as scaling model size and data volume, the cost associated with pre-training and…

Machine Learning · Computer Science 2025-08-14 Amit Kumar Jaiswal , Haiming Liu , Ingo Frommholz

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for enhancing the capabilities of large language models. However, existing RAG evaluation predominantly focuses on text retrieval and relies on opaque, end-to-end…

Information Retrieval · Computer Science 2025-05-19 Chuan Xu , Qiaosheng Chen , Yutong Feng , Gong Cheng

Large language models (LLMs) inevitably exhibit hallucinations since the accuracy of generated texts cannot be secured solely by the parametric knowledge they encapsulate. Although retrieval-augmented generation (RAG) is a practicable…

Computation and Language · Computer Science 2024-10-08 Shi-Qi Yan , Jia-Chen Gu , Yun Zhu , Zhen-Hua Ling

Despite the impressive capabilities of large language models (LLMs), their performance on information extraction tasks is still not entirely satisfactory. However, their remarkable rewriting capabilities and extensive world knowledge offer…

Computation and Language · Computer Science 2024-02-23 Junjie Ye , Nuo Xu , Yikun Wang , Jie Zhou , Qi Zhang , Tao Gui , Xuanjing Huang

The scarcity of high-quality, knowledge-intensive training data hinders the development of large language models (LLMs), as traditional corpora provide limited information. Previous studies have synthesized and integrated corpora-dependent…

Computation and Language · Computer Science 2025-08-05 Xuemiao Zhang , Chengying Tu , Can Ren , Rongxiang Weng , Hongfei Yan , Jingang Wang , Xunliang Cai

Multimodal Large Language Models (MLLMs) have significantly advanced GUI agents, yet long-horizon automation remains constrained by two critical bottlenecks: context overload from raw sequential trajectory dependence and architectural…

Artificial Intelligence · Computer Science 2026-04-15 Weihua Cheng , Junming Liu , Yifei Sun , Botian Shi , Yirong Chen , Ding Wang

Recent work has demonstrated that using parameter efficient tuning techniques such as prefix tuning (or P-tuning) on pretrained language models can yield performance that is comparable or superior to fine-tuning while dramatically reducing…

Computation and Language · Computer Science 2023-06-30 Stephen Obadinma , Hongyu Guo , Xiaodan Zhu

Causality detection and mining are important tasks in information retrieval due to their enormous use in information extraction, and knowledge graph construction. To solve these tasks, in existing literature there exist several solutions --…

Computation and Language · Computer Science 2025-06-02 Thushara Manjari Naduvilakandy , Hyeju Jang , Mohammad Al Hasan

Retrieval augmented generation (RAG) pipelines are commonly used in tasks such as question-answering (QA), relying on retrieving relevant documents from a vector store computed using a pretrained embedding model. However, if the retrieved…

Computation and Language · Computer Science 2024-10-18 Ambuje Gupta , Mrinal Rawat , Andreas Stolcke , Roberto Pieraccini

Data augmentation (DA) methods tailored to specific domains generate synthetic samples by applying transformations that are appropriate for the characteristics of the underlying data domain, such as rotations on images and time warping on…

Machine Learning · Computer Science 2024-06-18 Ilya Kaufman , Omri Azencot

Data augmentation is widely used for machine learning; however, an effective method to apply data augmentation has not been established even though it includes several factors that should be tuned carefully. One such factor is sample…

Machine Learning · Computer Science 2020-10-30 Tomoumi Takase , Ryo Karakida , Hideki Asoh

Training large transformer models is one of the most important computational challenges of modern AI. In this paper, we show how to significantly accelerate training of large transformer models by reducing activation recomputation.…

Machine Learning · Computer Science 2022-05-12 Vijay Korthikanti , Jared Casper , Sangkug Lym , Lawrence McAfee , Michael Andersch , Mohammad Shoeybi , Bryan Catanzaro