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This study presents a novel computer system performance optimization and adaptive workload management scheduling algorithm based on Q-learning. In modern computing environments, characterized by increasing data volumes, task complexity, and…

Machine Learning · Computer Science 2024-11-11 Pochun Li , Yuyang Xiao , Jinghua Yan , Xuan Li , Xiaoye Wang

Query optimizer is a crucial module for database management systems. Existing optimizers exhibit two flawed paradigms: (1) cost-based optimizers use dynamic programming with cost models but face search space explosion and heuristic pruning…

Databases · Computer Science 2025-06-23 Jiazhen Peng , Zheng Qu , Xiaoye Miao , Rong Zhu

Programmatic reinforcement learning (PRL) has been explored for representing policies through programs as a means to achieve interpretability and generalization. Despite promising outcomes, current state-of-the-art PRL methods are hindered…

Machine Learning · Computer Science 2025-03-12 Max Liu , Chan-Hung Yu , Wei-Hsu Lee , Cheng-Wei Hung , Yen-Chun Chen , Shao-Hua Sun

Modern astronomical experiments are designed to achieve multiple scientific goals, from studies of galaxy evolution to cosmic acceleration. These goals require data of many different classes of night-sky objects, each of which has a…

Instrumentation and Methods for Astrophysics · Physics 2023-12-01 Franco Terranova , M. Voetberg , Brian Nord , Amanda Pagul

Reducing latency and energy consumption is critical to improving the efficiency of memory systems in modern computing. This work introduces ReLMXEL (Reinforcement Learning for Memory Controller with Explainable Energy and Latency…

Hardware Architecture · Computer Science 2026-03-19 Panuganti Chirag Sai , Gandholi Sarat , R. Raghunatha Sarma , Venkata Kalyan Tavva , Naveen M

Traffic routing is vital for the proper functioning of the Internet. As users and network traffic increase, researchers try to develop adaptive and intelligent routing algorithms that can fulfill various QoS requirements. Reinforcement…

Networking and Internet Architecture · Computer Science 2024-09-24 Wang Wumian , Sajal Saha , Anwar Haque , Greg Sidebottom

Retrieval-augmented language models (RALMs) have recently shown great potential in mitigating the limitations of implicit knowledge in LLMs, such as untimely updating of the latest expertise and unreliable retention of long-tail knowledge.…

Computation and Language · Computer Science 2024-10-07 Zile Qiao , Wei Ye , Yong Jiang , Tong Mo , Pengjun Xie , Weiping Li , Fei Huang , Shikun Zhang

The need for accurate SQL progress estimation in the context of decision support administration has led to a number of techniques proposed for this task. Unfortunately, no single one of these progress estimators behaves robustly across the…

Databases · Computer Science 2012-01-04 Arnd Christian König , Bolin Ding , Surajit Chaudhuri , Vivek Narasayya

In this paper, we study the peak-aware energy scheduling problem using the competitive framework with machine learning prediction. With the uncertainty of energy demand as the fundamental challenge, the goal is to schedule the energy output…

Data Structures and Algorithms · Computer Science 2019-11-20 Russell Lee , Mohammad H. Hajiesmaili , Jian Li

Structured Query Language (SQL) has remained the standard query language for databases. SQL is highly optimized for processing structured data laid out in relations. Meanwhile, in the present application development landscape, it is highly…

Databases · Computer Science 2026-04-24 Udesh Kumarasinghe , Tyler Liu , Ahmed R. Mahmood , Chunwei Liu , Walid G. Aref

The text-to-SQL task is an active challenge in Natural Language Processing. Many existing solutions focus on using black-box language models extended with specialized components within customized end-to-end text-to-SQL pipelines. While…

Machine Learning · Computer Science 2025-11-17 Alicja Rączkowska , Riccardo Belluzzo , Piotr Zieliński , Joanna Baran , Paweł Olszewski

A significant amount of the world's knowledge is stored in relational databases. However, the ability for users to retrieve facts from a database is limited due to a lack of understanding of query languages such as SQL. We propose Seq2SQL,…

Computation and Language · Computer Science 2017-11-13 Victor Zhong , Caiming Xiong , Richard Socher

We present the Learned Ranking Function (LRF), a system that takes short-term user-item behavior predictions as input and outputs a slate of recommendations that directly optimizes for long-term user satisfaction. Most previous work is…

Machine Learning · Computer Science 2024-08-14 Yi Wu , Daryl Chang , Jennifer She , Zhe Zhao , Li Wei , Lukasz Heldt

In recent years, the surge in unstructured data analysis, facilitated by advancements in Machine Learning (ML), has prompted diverse approaches for handling images, text documents, and videos. Analysts, leveraging ML models, can extract…

Databases · Computer Science 2024-04-08 Akash Mittal , Anshul Bheemreddy , Huili Tao

Today high-performance computing (HPC) platforms are still dominated by batch jobs. Accordingly, effective batch job scheduling is crucial to obtain high system efficiency. Existing HPC batch job schedulers typically leverage heuristic…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-03 Di Zhang , Dong Dai , Youbiao He , Forrest Sheng Bao , Bing Xie

Sequential recommender systems have become increasingly important in real-world applications that model user behavior sequences to predict their preferences. However, existing sequential recommendation methods predominantly rely on…

Information Retrieval · Computer Science 2025-06-05 Enze Liu , Bowen Zheng , Xiaolei Wang , Wayne Xin Zhao , Jinpeng Wang , Sheng Chen , Ji-Rong Wen

The performance of deep reinforcement learning agents is fundamentally constrained by their neural network architecture, a choice traditionally made through expensive hyperparameter searches and then fixed throughout training. This work…

Machine Learning · Computer Science 2025-10-24 Iman Rahmani , Saman Yazdannik , Morteza Tayefi , Jafar Roshanian

Table question answering (TQA) focuses on answering questions based on tabular data. Developing TQA systems targets effective interaction with tabular data for tasks such as cell retrieval and data analysis. While recent work has leveraged…

Computation and Language · Computer Science 2025-11-12 Wei Zhou , Mohsen Mesgar , Heike Adel , Annemarie Friedrich

Predicting query execution time is a fundamental issue underlying many database management tasks. Existing predictors rely on information such as cardinality estimates and system performance constants that are difficult to know exactly. As…

Databases · Computer Science 2014-08-29 Wentao Wu , Xi Wu , Hakan Hacıgümüş , Jeffrey F. Naughton

This paper presents a Spark-based modular LangGraph framework, designed to enhance machine learning workflows through scalability, visualization, and intelligent process optimization. At its core, the framework introduces Agent AI, a…

Artificial Intelligence · Computer Science 2024-12-09 Jialin Wang , Zhihua Duan