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In real-world reinforcement learning (RL) scenarios, agents often encounter partial observability, where incomplete or noisy information obscures the true state of the environment. Partially Observable Markov Decision Processes (POMDPs) are…

机器学习 · 计算机科学 2025-05-19 Ashok Arora , Neetesh Kumar

Data compression continues to evolve, with traditional information theory methods being widely used for compressing text, images, and videos. Recently, there has been growing interest in leveraging Generative AI for predictive compression…

信息论 · 计算机科学 2024-09-24 Swathi Shree Narashiman , Nitin Chandrachoodan

We introduce an algorithm for model-based hierarchical reinforcement learning to acquire self-contained transition and reward models suitable for probabilistic planning at multiple levels of abstraction. We call this framework Planning with…

The deployment of pre-trained models (PTMs) has greatly advanced the field of continual learning (CL), enabling positive knowledge transfer and resilience to catastrophic forgetting. To sustain these advantages for sequentially arriving…

机器学习 · 计算机科学 2025-04-18 Liyuan Wang , Jingyi Xie , Xingxing Zhang , Hang Su , Jun Zhu

Using special tokens (e.g., gist, memory, or compressed tokens) to compress context information is a common practice for large language models (LLMs). However, existing approaches often neglect that position encodings inherently induce…

计算与语言 · 计算机科学 2025-09-29 Runsong Zhao , Xin Liu , Xinyu Liu , Pengcheng Huang , Chunyang Xiao , Tong Xiao , Jingbo Zhu

We present a language model that combines a large parametric neural network (i.e., a transformer) with a non-parametric episodic memory component in an integrated architecture. Our model uses extended short-term context by caching local…

计算与语言 · 计算机科学 2021-02-05 Dani Yogatama , Cyprien de Masson d'Autume , Lingpeng Kong

Electronic health records (EHR) contain narrative notes that provide extensive details on the medical condition and management of patients. Natural language processing (NLP) of clinical notes can use observed frequencies of clinical terms…

计算与语言 · 计算机科学 2023-07-04 Bryan Cai , Sihang Zeng , Yucong Lin , Zheng Yuan , Doudou Zhou , Lu Tian

Term-based sparse representations dominate the first-stage text retrieval in industrial applications, due to its advantage in efficiency, interpretability, and exact term matching. In this paper, we study the problem of transferring the…

信息检索 · 计算机科学 2020-10-05 Yang Bai , Xiaoguang Li , Gang Wang , Chaoliang Zhang , Lifeng Shang , Jun Xu , Zhaowei Wang , Fangshan Wang , Qun Liu

We propose an end-to-end learned image compression codec wherein the analysis transform is jointly trained with an object classification task. This study affirms that the compressed latent representation can predict human perceptual…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Chen-Hsiu Huang , Ja-Ling Wu

Leveraging large language models (LLMs) for complex natural language tasks typically requires long-form prompts to convey detailed requirements and information, which results in increased memory usage and inference costs. To mitigate these…

计算与语言 · 计算机科学 2024-10-18 Zongqian Li , Yinhong Liu , Yixuan Su , Nigel Collier

Environments in Reinforcement Learning are usually only partially observable. To address this problem, a possible solution is to provide the agent with information about the past. However, providing complete observations of numerous steps…

机器学习 · 计算机科学 2022-04-08 Aleksandr Ermolov , Enver Sangineto , Nicu Sebe

Transformer-based language models (LMs) track contextual information through large, hard-coded input windows. We introduce MemoryPrompt, a leaner approach in which the LM is complemented by a small auxiliary recurrent network that passes…

计算与语言 · 计算机科学 2024-02-26 Nathanaël Carraz Rakotonirina , Marco Baroni

Recent progress in language modeling has been driven not only by advances in neural architectures, but also through hardware and optimization improvements. In this paper, we revisit the neural probabilistic language model (NPLM)…

计算与语言 · 计算机科学 2021-04-09 Simeng Sun , Mohit Iyyer

Therapeutic peptides have emerged as a pivotal modality in modern drug discovery, occupying a chemically and topologically rich space. While accurate prediction of their physicochemical properties is essential for accelerating peptide…

机器学习 · 计算机科学 2025-12-30 Seungeon Lee , Takuto Koyama , Itsuki Maeda , Shigeyuki Matsumoto , Yasushi Okuno

Since its introduction prediction by partial matching (PPM) has always been a de facto gold standard in lossless text compression, where many variants improving the compression ratio and speed have been proposed. However, reducing the high…

数据结构与算法 · 计算机科学 2012-11-13 M. Oguzhan Kulekci

Current approaches to question answering rely on pre-trained language models (PLMs) like RoBERTa. This work challenges the existing question-answer encoding convention and explores finer representations. We begin with testing various…

计算与语言 · 计算机科学 2024-03-05 Zhanghao Hu , Yijun Yang , Junjie Xu , Yifu Qiu , Pinzhen Chen

Highly regularized LSTMs achieve impressive results on several benchmark datasets in language modeling. We propose a new regularization method based on decoding the last token in the context using the predicted distribution of the next…

计算与语言 · 计算机科学 2019-01-25 Siddhartha Brahma

Modeling episodic memory (EM) remains a significant challenge in both neuroscience and AI, with existing models either lacking interpretability or struggling with practical applications. This paper proposes the Vision-Language Episodic…

神经元与认知 · 定量生物学 2025-05-09 Chong Li , Taiping Zeng , Xiangyang Xue , Jianfeng Feng

In this paper, we study representation learning in partially observable Markov Decision Processes (POMDPs), where the agent learns a decoder function that maps a series of high-dimensional raw observations to a compact representation and…

机器学习 · 计算机科学 2023-06-22 Jiacheng Guo , Zihao Li , Huazheng Wang , Mengdi Wang , Zhuoran Yang , Xuezhou Zhang

Due to their substantial sizes, large language models (LLMs) are typically deployed within a single-backbone multi-tenant framework. In this setup, a single instance of an LLM backbone must cater to multiple users or tasks through the…

计算与语言 · 计算机科学 2024-09-27 Tianfang Xie , Tianjing Li , Wei Zhu , Wei Han , Yi Zhao