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Pipelines combining SQL-style business intelligence (BI) queries and linear algebra (LA) are becoming increasingly common in industry. As a result, there is a growing need to unify these workloads in a single framework. Unfortunately,…

Databases · Computer Science 2017-08-29 Christopher R. Aberger , Andrew Lamb , Kunle Olukotun , Christopher Ré

External memory systems are pivotal for enabling Large Language Model (LLM) agents to maintain persistent knowledge and perform long-horizon decision-making. Existing paradigms typically follow a two-stage process: computationally expensive…

Machine Learning · Computer Science 2026-04-27 Xiucheng Xu , Bingbing Xu , Xueyun Tian , Zihe Huang , Rongxin Chen , Yunfan Li , Huawei Shen

Large Language Models (LLMs) have recently been extended to the video domain, enabling sophisticated video-language understanding. However, existing Video LLMs often exhibit limitations in fine-grained temporal reasoning, restricting their…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Bo-Cheng Chiu , Jen-Jee Chen , Yu-Chee Tseng , Feng-Chi Chen , An-Zi Yen

Lifelong interactive agents are expected to assist users over months or years, which requires continually writing long term memories while retrieving the right evidence for each new query under fixed context and latency budgets. Existing…

Information Retrieval · Computer Science 2026-03-23 Can Lv , Heng Chang , Yuchen Guo , Shengyu Tao , Shiji Zhou

Large Language Models (LLMs) deliver strong performance but incur high inference cost in real-world services, especially under workloads with repeated or near-duplicate queries across users and sessions. In this work, we propose MemBoost, a…

Computation and Language · Computer Science 2026-03-30 Joris Köster , Zixuan Liu , Siavash Khajavi , Zizhan Zheng

Multi-objective optimization is now a core paradigm in engineering design and scientific discovery. Yet mainstream evolutionary frameworks, including \textit{pymoo}, still depend on imperative coding for problem definition, algorithm…

Software Engineering · Computer Science 2026-03-03 Thiago Santos , Sebastiao Xavier , Luiz Gustavo de Oliveira Carneiro , Gustavo de Souza

Combinatorial optimization (CO) underlies decision-making from logistics to chip design, where infeasible solutions are operationally unusable and small quality gains translate into substantial economic value. Recent work uses large…

Artificial Intelligence · Computer Science 2026-05-20 Fatemeh Haji , Javier Delarosa Quiros , Peyman Najafirad

Memory-augmented LLM agents tackle complex long-horizon tasks by recursively summarizing interaction trajectories into compact memory. However, existing approaches typically train these memory policies using outcome-based reinforcement…

Artificial Intelligence · Computer Science 2026-05-29 Ziyan Liu , Zhezheng Hao , Yeqiu Chen , Hong Wang , Jingren Hou , Ruiyi Ding , Yongkang Yang , Wence Ji , Wei Xia , Feng Liu

Traditional query optimization relies on cost-based optimizers that estimate execution cost (e.g., runtime, memory, and I/O) using predefined heuristics and statistical models. Improving these heuristics requires substantial engineering…

Databases · Computer Science 2026-02-12 Mehmet Hamza Erol , Xiangpeng Hao , Federico Bianchi , Ciro Greco , Jacopo Tagliabue , James Zou

Direct Preference Optimization (DPO) is a widely adopted offline algorithm for preference-based reinforcement learning from human feedback (RLHF), designed to improve training simplicity and stability by redefining reward functions.…

Computation and Language · Computer Science 2025-05-30 Gengxu Li , Tingyu Xia , Yi Chang , Yuan Wu

Large Language Models (LLMs) such as GPT-4 and Llama have shown remarkable capabilities in a variety of software engineering tasks. Despite the advancements, their practical deployment faces challenges, including high financial costs, long…

Software Engineering · Computer Science 2025-08-06 Yueyue Liu , Hongyu Zhang , Yuantian Miao

Most existing black-box optimization methods assume that all variables in the system being optimized have equal cost and can change freely at each iteration. However, in many real world systems, inputs are passed through a sequence of…

Machine Learning · Computer Science 2021-10-13 Chi-Heng Lin , Joseph D. Miano , Eva L. Dyer

Most existing parametric query optimization (PQO) techniques rely on traditional query optimizer cost models, which are often inaccurate and result in suboptimal query performance. We propose Kepler, an end-to-end learning-based approach to…

Large language models (LLMs) often suffer from catastrophic forgetting in continual learning (CL) scenarios, where performance on previously learned tasks degrades severely while training on sequentially arriving tasks. Although pioneering…

Machine Learning · Computer Science 2025-10-17 Zhiyi Wan , Wanrou Du , Liang Li , Miao Pan , Xiaoqi Qin

Unlearning in Large Language Models (LLMs) aims to enhance safety, mitigate biases, and comply with legal mandates, such as the right to be forgotten. However, existing unlearning methods are brittle: minor query modifications, such as…

Artificial Intelligence · Computer Science 2026-03-13 Raj Sanjay Shah , Jing Huang , Keerthiram Murugesan , Nathalie Baracaldo , Diyi Yang

Integrating large language models (LLMs) as priors in reinforcement learning (RL) offers significant advantages but comes with substantial computational costs. We present a principled cache-efficient framework for posterior sampling with…

Machine Learning · Computer Science 2025-09-30 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Large language-vision models (LVLMs) such as CLIP, Flamingo, and BLIP have revolutionized AI by enabling understanding across textual and visual modalities. These models excel at tasks like image captioning, visual question answering, and…

Robotics · Computer Science 2026-05-14 Hamza Ahmed Durrani , Rafay Suleman Durrani

Large Language Models (LLMs) can memorize sensitive information, raising concerns about potential misuse. LLM Unlearning, a post-hoc approach to remove this information from trained LLMs, offers a promising solution to mitigate these risks.…

Computation and Language · Computer Science 2024-09-19 Tianle Gu , Kexin Huang , Ruilin Luo , Yuanqi Yao , Yujiu Yang , Yan Teng , Yingchun Wang

Lifelong learning remains an open problem. One of its main difficulties is catastrophic forgetting. Many dynamic expansion approaches have been proposed to address this problem, but they all use homogeneous models of predefined structure…

Machine Learning · Computer Science 2020-03-20 Wenjin Wang , Yunqing Hu , Yin Zhang

The Quantum Approximate Optimization Algorithm (QAOA) has emerged as a promising variational quantum algorithm for addressing NP hard combinatorial optimization problems. However, a significant limitation lies in optimizing its classical…

Quantum Physics · Physics 2023-09-22 Peter Gleißner , Georg Kruse , Andreas Roßkopf