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Long-horizon language agents accumulate conversation history far faster than any fixed context window can hold, making memory management critical to both answer accuracy and serving cost. Existing approaches either expand the context window…

Computation and Language · Computer Science 2026-05-25 Jingyi Peng , Zhongwei Wan , Weiting Liu , Qiuzhuang Sun

Retrieval-Augmented Generation (RAG) systems critically depend on retrieval quality, yet no systematic comparison of modern retrieval methods exists for heterogeneous documents containing both text and tabular data. We benchmark ten…

Information Retrieval · Computer Science 2026-04-03 Meftun Akarsu , Recep Kaan Karaman , Christopher Mierbach

Pre-trained language models have shown stellar performance in various downstream tasks. But, this usually comes at the cost of high latency and computation, hindering their usage in resource-limited settings. In this work, we propose a…

Computation and Language · Computer Science 2022-03-18 Ali Modarressi , Hosein Mohebbi , Mohammad Taher Pilehvar

Long-horizon search agents must manage a rapidly growing working context as they reason, call tools, and observe information. Naively accumulating all intermediate content can overwhelm the agent, increasing costs and the risk of errors. We…

Artificial Intelligence · Computer Science 2026-05-07 Yijun Lu , Rui Ye , Yuwen Du , Jiajun Wang , Songhua Liu , Siheng Chen

Transformers, driven by attention mechanisms, form the foundation of large language models (LLMs). As these models scale up, efficient GPU attention kernels become essential for high-throughput and low-latency inference. Diverse LLM…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Zihao Ye , Lequn Chen , Ruihang Lai , Wuwei Lin , Yineng Zhang , Stephanie Wang , Tianqi Chen , Baris Kasikci , Vinod Grover , Arvind Krishnamurthy , Luis Ceze

Flow Matching models achieve state-of-the-art image generation quality but incur substantial inference cost due to iterative denoising through large Transformer networks. We observe that different layer groups within a Transformer exhibit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Guandong Li

LLM-powered search agents are increasingly being used for multi-step information seeking tasks, yet the IR community lacks empirical understanding of how agentic search sessions unfold and how retrieved evidence is reflected in later…

Information Retrieval · Computer Science 2026-04-30 Jingjie Ning , João Coelho , Yibo Kong , Yunfan Long , Bruno Martins , João Magalhães , Jamie Callan , Chenyan Xiong

Long video understanding requires more than large context windows. It also needs a memory mechanism that decides what visual evidence to retain, keeps it searchable over long horizons, and grounds later reasoning in recoverable observations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Aiden Yiliu Li , Nels Numan , Anthony Steed

End-to-end agent-memory benchmarks report a single hit@k per retriever, confounding lexical leakage (uncontrolled query/gold/distractor entity overlap) with tag-mixing (preferences, services, tools averaged together). We propose…

Computation and Language · Computer Science 2026-05-29 Youwang Deng

Attention-based encoder-decoder architectures such as Listen, Attend, and Spell (LAS), subsume the acoustic, pronunciation and language model components of a traditional automatic speech recognition (ASR) system into a single neural…

In interactive automatic speech recognition (ASR) systems, low-latency requirements limit the amount of search space that can be explored during decoding, particularly in end-to-end neural ASR. In this paper, we present a novel streaming…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-29 Denis Filimonov , Prabhat Pandey , Ariya Rastrow , Ankur Gandhe , Andreas Stolcke

As large language models increasingly gain popularity in real-world applications, processing extremely long contexts, often exceeding the model's pre-trained context limits, has emerged as a critical challenge. While existing approaches to…

As the quality of large language models has improved, there has been increased interest in using them to model non-linguistic tokens. For example, the Decision Transformer recasts agentic decision making as a sequence modeling problem,…

Machine Learning · Computer Science 2025-03-12 Nate Gillman , Daksh Aggarwal , Michael Freeman , Saurabh Singh , Chen Sun

Long-horizon dialogue systems suffer from semanticdrift and unstable memory retention across extended sessions. This paper presents a Multi-Layer Memory Framework that decomposes dialogue history into working, episodic, and semantic layers…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Sunil Tiwari , Payal Fofadiya

Machine Learning methods can learn how to reconstruct Magnetic Resonance Images and thereby accelerate acquisition, which is of paramount importance to the clinical workflow. Physics-informed networks incorporate the forward model of…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 D. Karkalousos , S. Noteboom , H. E. Hulst , F. M. Vos , M. W. A. Caan

Neural network pruning remains essential for deploying deep learning models on resource-constrained devices, yet existing approaches primarily target parameter reduction without directly controlling computational cost. This yields…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Shahrzad Esmat , Mahdi Banisharif , Ali Jannesari

Attention efficiency is critical to large language model (LLM) inference. While prior advances optimize attention execution for individual requests (e.g., FlashAttention), production LLM serving relies on batching requests with highly…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-09 Rui Ning , Wei Zhang , Fan Lai

Large Language Models (LLMs) deployed as autonomous agents commonly use Retrieval-Augmented Generation (RAG), feeding retrieved documents into the context window, which creates two problems: the risk of hallucination grows with context…

Information Retrieval · Computer Science 2026-03-25 Ivan Dobrovolskyi

The paradigm of large language model (LLM) reasoning is shifting from parameter scaling to test-time compute scaling, yet many existing approaches still rely on uniform brute-force sampling (for example, fixed best-of-N or self-consistency)…

Artificial Intelligence · Computer Science 2026-03-02 Siyuan Ma , Bo Gao , Xiaojun Jia , Simeng Qin , Tianlin Li , Ke Ma , Xiaoshuang Jia , Wenqi Ren , Yang Liu

Most multi-agent systems rely exclusively on autoregressive language models (ARMs) that are based on sequential generation. Although effective for fluent text, ARMs limit global reasoning and plan revision. On the other hand, Discrete…

Machine Learning · Computer Science 2026-03-11 Lina Berrayana , Ahmed Heakl , Abdullah Sohail , Thomas Hofmann , Salman Khan , Wei Chen