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We present a production-optimized multi-agent system designed to translate natural language queries into executable Python code for structured data analytics. Unlike systems that rely on expensive frontier models, our approach achieves high…

Software Engineering · Computer Science 2026-01-21 Harmohit Singh

Mobile edge Large Language Model (LLM) deployments face inherent constraints, such as limited computational resources and network bandwidth. Although Retrieval-Augmented Generation (RAG) mitigates some challenges by integrating external…

Networking and Internet Architecture · Computer Science 2025-01-17 Guangyuan Liu , Yinqiu Liu , Jiacheng Wang , Hongyang Du , Dusit Niyato , Jiawen Kang , Zehui Xiong

Large Language Model (LLM) agents tackle data-intensive tasks such as deep research and code generation. However, their effectiveness depends on frequent interactions with knowledge sources across remote clouds or regions. Such interactions…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-04 Chaoyi Ruan , Chao Bi , Kaiwen Zheng , Ziji Shi , Xinyi Wan , Jialin Li

Large Language Models (LLMs) process millions of queries daily, making efficient response caching a compelling optimization for reducing cost and latency. However, preserving relevance to user queries using this approach proves difficult…

Batch data analytics is a growing application for Large Language Models (LLMs). LLMs enable users to perform a wide range of natural language tasks, such as classification, entity extraction, and translation, over large datasets. However,…

LLM serving systems process heterogeneous query workloads where different categories exhibit different characteristics. Code queries cluster densely in embedding space while conversational queries distribute sparsely. Content staleness…

Databases · Computer Science 2025-11-03 Chen Wang , Xunzhuo Liu , Yue Zhu , Alaa Youssef , Priya Nagpurkar , Huamin Chen

As Large Language Models (LLMs) broaden their capabilities to manage thousands of API calls, they are confronted with complex data operations across vast datasets with significant overhead to the underlying system. In this work, we…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-24 Simranjit Singh , Michael Fore , Andreas Karatzas , Chaehong Lee , Yanan Jian , Longfei Shangguan , Fuxun Yu , Iraklis Anagnostopoulos , Dimitrios Stamoulis

To reduce LLM costs and latency, semantic caching systems must accurately identify when a new prompt matches a cached one. Current methods often rely on simplistic similarity measures, which limit their effectiveness. We introduce…

Information Retrieval · Computer Science 2026-05-26 Ali Noshad , Zishan Zheng , Yinjun Wu

Semantic caching has emerged as a pivotal technique for scaling LLM applications, widely adopted by major providers including AWS and Microsoft. By utilizing semantic embedding vectors as cache keys, this mechanism effectively minimizes…

Cryptography and Security · Computer Science 2026-02-02 Zhixiang Zhang , Zesen Liu , Yuchong Xie , Quanfeng Huang , Dongdong She

We present Prompt Cache, an approach for accelerating inference for large language models (LLM) by reusing attention states across different LLM prompts. Many input prompts have overlapping text segments, such as system messages, prompt…

Computation and Language · Computer Science 2024-04-26 In Gim , Guojun Chen , Seung-seob Lee , Nikhil Sarda , Anurag Khandelwal , Lin Zhong

Interacting with humans through multi-turn conversations is a fundamental feature of large language models (LLMs). However, existing LLM serving engines executing multi-turn conversations are inefficient due to the need to repeatedly…

Computation and Language · Computer Science 2024-07-02 Bin Gao , Zhuomin He , Puru Sharma , Qingxuan Kang , Djordje Jevdjic , Junbo Deng , Xingkun Yang , Zhou Yu , Pengfei Zuo

Transformer-based language models have achieved remarkable performance across a wide range of tasks, yet their high inference latency poses a significant challenge for real-timeand large-scale deployment. While existing caching…

Computation and Language · Computer Science 2026-03-03 Harsh Vardhan Bansal

This report investigates enhancing semantic caching effectiveness by employing specialized, fine-tuned embedding models. Semantic caching relies on embedding similarity rather than exact key matching, presenting unique challenges in…

Large Language Models (LLMs) that can be deployed locally have recently gained popularity for privacy-sensitive tasks, with companies such as Meta, Google, and Intel playing significant roles in their development. However, the security of…

Cryptography and Security · Computer Science 2025-06-17 Zibo Gao , Junjie Hu , Feng Guo , Yixin Zhang , Yinglong Han , Siyuan Liu , Haiyang Li , Zhiqiang Lv

Large language models (LLMs) have been one of the most important discoveries in machine learning in recent years. LLM-based artificial intelligence (AI) assistants, such as ChatGPT, have consistently attracted the attention from…

Computation and Language · Computer Science 2025-03-19 Alexey Karev , Dong Xu

Large Language Model (LLM) agents require persistent memory to maintain personalization, factual continuity, and long-horizon reasoning, yet standard context-window and retrieval-augmented generation (RAG) pipelines degrade over…

Artificial Intelligence · Computer Science 2026-04-07 Shu Wang , Edwin Yu , Oscar Love , Tom Zhang , Tom Wong , Steve Scargall , Charles Fan

Recent research has highlighted the potential of large language models (LLMs) to improve their problem-solving capabilities with the aid of suitable external tools. In our work, we further advance this concept by introducing a closed-loop…

Machine Learning · Computer Science 2024-03-12 Tianle Cai , Xuezhi Wang , Tengyu Ma , Xinyun Chen , Denny Zhou

The integration of Large Language Models (LLMs) with Retrieval-Augmented Generation (RAG) has significantly advanced Knowledge Graph Question Answering (KGQA). However, existing LLM-driven KGQA systems act as stateless planners, generating…

Databases · Computer Science 2026-04-30 Yushi Sun , Lei Chen

Large-scale deployment of generative AI tools often depends on costly API calls to a Large Language Model (LLM) to fulfil user queries. To curtail the frequency of these calls, one can employ a smaller language model -- a student -- which…

Computation and Language · Computer Science 2025-04-28 Guillem Ramírez , Matthias Lindemann , Alexandra Birch , Ivan Titov

Simulating user search behavior is a critical task in information retrieval, which can be employed for user behavior modeling, data augmentation, and system evaluation. Recent advancements in large language models (LLMs) have opened up new…

Information Retrieval · Computer Science 2025-04-11 Erhan Zhang , Xingzhu Wang , Peiyuan Gong , Zixuan Yang , Jiaxin Mao