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Efficient vector search is essential for powering large-scale AI applications, such as LLMs. Existing solutions are designed for monolithic architectures where compute and memory are tightly coupled. Recently, disaggregated architecture…

Databases · Computer Science 2026-03-17 Fei Fang , Yi Liu , Chen Qian

The proliferation of complex, multimodal datasets has exposed a critical gap between the capabilities of specialized vector databases and traditional graph databases. While vector databases excel at semantic similarity search, they lack the…

Databases · Computer Science 2025-10-14 Joydeep Chandra , Satyam Kumar Navneet , Yong Zhang

Memory-augmented Large Language Models (LLMs) are essential for developing capable, long-term AI agents. Recently, applying Reinforcement Learning (RL) to optimize memory operations, such as extraction, updating, and retrieval, has emerged…

Computation and Language · Computer Science 2026-04-08 Ziliang Guo , Ziheng Li , Bo Tang , Feiyu Xiong , Zhiyu Li

Node classifiers are required to comprehensively reduce prediction errors, training resources, and inference latency in the industry. However, most graph neural networks (GNN) concentrate only on one or two of them. The compromised aspects…

Machine Learning · Computer Science 2023-06-01 Yi Luo , Guangchun Luo , Ke Qin , Aiguo Chen

We present a data partitioning technique performed over skip graphs that promotes significant quantitative and qualitative improvements on NUMA locality in concurrent data structures, as well as reduced contention. We build on previous…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-19 Samuel Thomas , Ana Hayne , Jonad Pulaj , Hammurabi Mendes

Retrieval-Augmented Generation (RAG) enhances language models by incorporating external knowledge at inference time. However, graph-based RAG systems often suffer from structural overhead and imprecise retrieval: they require costly…

Information Retrieval · Computer Science 2025-06-24 Jiale Zhang , Jiaxiang Chen , Zhucong Li , Jie Ding , Kui Zhao , Zenglin Xu , Xin Pang , Yinghui Xu

Efficiently processing and interpreting network data is critical for the operation of increasingly complex networks. Recent advances in Large Language Models (LLM) and Retrieval-Augmented Generation (RAG) techniques have improved data…

Networking and Internet Architecture · Computer Science 2025-06-17 Amar Abane , Anis Bekri , Abdella Battou , Saddek Bensalem

We propose EMMA, an efficient and unified architecture for multimodal understanding, generation and editing. Specifically, EMMA primarily consists of 1) An efficient autoencoder with a 32x compression ratio, which significantly reduces the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xin He , Longhui Wei , Jianbo Ouyang , Minghui Liao , Lingxi Xie , Qi Tian

We propose graph-grounded optimization: a paradigm in which the decision variables, constraints, and objective coefficients of a real-world optimization problem are sourced from a property knowledge graph (KG) via Cypher queries, rather…

Databases · Computer Science 2026-05-14 Madhulatha Mandarapu , Sandeep Kunkunuru

General matrix-matrix multiplication (GEMM) is a fundamental operation in machine learning (ML) applications. We present the first comprehensive performance acceleration of GEMM workloads on AMD's second-generation AIE-ML (AIE2)…

Hardware Architecture · Computer Science 2025-09-01 Kaustubh Mhatre , Endri Taka , Aman Arora

Vector data is prevalent across business and scientific applications, and its popularity is growing with the proliferation of learned embeddings. Vector data collections often reach billions of vectors with thousands of dimensions, thus,…

Information Retrieval · Computer Science 2025-09-09 Ilias Azizi , Karima Echihab , Themis Palpanas , Vassilis Christophides

Large Language Models (LLMs) lack persistent memory for long-term personalized conversations. Existing graph-based memory systems suffer from information dilution, absent provenance tracking, and uniform retrieval that ignores query…

Computation and Language · Computer Science 2026-05-05 Hung Pham Van , Nguyen Manh Hieu , Khang Pham Tran Tuan , Nam Le Hai , Linh Ngo Van , Nguyen Thi Ngoc Diep , Trung Le

Meeting growing demands for low latency and cost efficiency in production-grade large language model (LLM) serving systems requires integrating advanced optimization techniques. However, dynamic and unpredictable input-output lengths of…

Artificial Intelligence · Computer Science 2024-12-30 Mingcong Song , Xinru Tang , Fengfan Hou , Jing Li , Wei Wei , Yipeng Ma , Runqiu Xiao , Hongjie Si , Dingcheng Jiang , Shouyi Yin , Yang Hu , Guoping Long

Vector search systems are indispensable in large language model (LLM) serving, search engines, and recommender systems, where minimizing online search latency is essential. Among various algorithms, graph-based vector search (GVS) is…

Hardware Architecture · Computer Science 2025-07-21 Wenqi Jiang , Hang Hu , Torsten Hoefler , Gustavo Alonso

Processing large-scale graph datasets is computationally intensive and time-consuming. Processor-centric CPU and GPU architectures, commonly used for graph applications, often face bottlenecks caused by extensive data movement between the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-11 Marzieh Barkhordar , Alireza Tabatabaeian , Mohammad Sadrosadati , Christina Giannoula , Juan Gomez Luna , Izzat El Hajj , Onur Mutlu , Alaa R. Alameldeen

Sequential robot manipulation tasks require finding collision-free trajectories that satisfy geometric constraints across multiple object interactions in potentially high-dimensional configuration spaces. Solving these problems in real-time…

Robotics · Computer Science 2025-10-14 Lucas Chen , Shrutheesh Raman Iyer , Zachary Kingston

This paper introduces SemRAG, an enhanced Retrieval Augmented Generation (RAG) framework that efficiently integrates domain-specific knowledge using semantic chunking and knowledge graphs without extensive fine-tuning. Integrating…

Computation and Language · Computer Science 2025-07-30 Kezhen Zhong , Basem Suleiman , Abdelkarim Erradi , Shijing Chen

Graph Pattern Mining (GPM) is an important, rapidly evolving, and computation demanding area. GPM computation relies on subgraph enumeration, which consists in extracting subgraphs that match a given property from an input graph. Graphics…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-12-12 Samuel Ferraz , Vinicius Dias , Carlos H. C. Teixeira , George Teodoro , Wagner Meira

Graph dynamic random walks (GDRWs) have recently emerged as a powerful paradigm for graph analytics and learning applications, including graph embedding and graph neural networks. Despite the fact that many existing studies optimize the…

Hardware Architecture · Computer Science 2023-04-24 Hongshi Tan , Xinyu Chen , Yao Chen , Bingsheng He , Weng-Fai Wong

The Bulk Synchronous Parallel(BSP) computational model has emerged as the dominant distributed framework to build large-scale iterative graph processing systems. While its implementations(e.g., Pregel, Giraph, and Hama) achieve high…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-06-23 Qun Chen , Song Bai , Zhanhuai Li , Zhiying Gou , Bo Suo , Wei Pan