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Join order selection is a sub-field of query optimization that aims to find the optimal join order for an SQL query with the minimum cost. The challenge lies in the exponentially growing search space as the number of tables increases,…

数据库 · 计算机科学 2024-12-16 Chang Liu , Amin Kamali , Verena Kantere , Calisto Zuzarte , Vincent Corvinelli

Knob tuning plays a critical role in improving the performance of permissioned blockchains. However, efficient tuning remains challenging due to the architectural complexity of blockchains and the semantic gap between knob-specific logic…

数据库 · 计算机科学 2026-05-25 Yaoyi Deng , Chongyang Tao , Mingxuan Li , Xuelian Lin , Han Sun , Mingchao Wan , Shuai Ma

Classification is widely used technique in the data mining domain, where scalability and efficiency are the immediate problems in classification algorithms for large databases. We suggest improvements to the existing C4.5 decision tree…

机器学习 · 计算机科学 2013-02-12 Mohd Mahmood Ali , Mohd S Qaseem , Lakshmi Rajamani , A Govardhan

Recently, deep reinforcement learning (DRL) methods have achieved impressive performance on tasks in a variety of domains. However, neural network policies produced with DRL methods are not human-interpretable and often have difficulty…

机器学习 · 计算机科学 2022-02-02 Dweep Trivedi , Jesse Zhang , Shao-Hua Sun , Joseph J. Lim

This paper describes an effective and efficient image classification framework nominated distributed deep representation learning model (DDRL). The aim is to strike the balance between the computational intensive deep learning approaches…

计算机视觉与模式识别 · 计算机科学 2016-07-05 Le Dong , Na Lv , Qianni Zhang , Shanshan Xie , Ling He , Mengdie Mao

Relational database management systems (RDBMSs) are powerful because they are able to optimize and answer queries against any relational database. A natural language interface (NLI) for a database, on the other hand, is tailored to support…

人工智能 · 计算机科学 2018-09-11 Wenlu Wang , Yingtao Tian , Hongyu Xiong , Haixun Wang , Wei-Shinn Ku

Recently, using automatic configuration tuning to improve the performance of modern database management systems (DBMSs) has attracted increasing interest from the database community. This is embodied with a number of systems featuring…

数据库 · 计算机科学 2022-03-15 Xinyi Zhang , Zhuo Chang , Yang Li , Hong Wu , Jian Tan , Feifei Li , Bin Cui

Systematicity, i.e., the ability to recombine known parts and rules to form new sequences while reasoning over relational data, is critical to machine intelligence. A model with strong systematicity is able to train on small-scale tasks and…

人工智能 · 计算机科学 2022-05-16 Shengyao Lu , Bang Liu , Keith G. Mills , Shangling Jui , Di Niu

We introduce {\lambda}-Tune, a framework that leverages Large Language Models (LLMs) for automated database system tuning. The design of {\lambda}-Tune is motivated by the capabilities of the latest generation of LLMs. Different from prior…

数据库 · 计算机科学 2024-11-07 Victor Giannankouris , Immanuel Trummer

Recommendation systems play a crucial role in various domains, suggesting items based on user behavior.However, the lack of transparency in presenting recommendations can lead to user confusion. In this paper, we introduce Data-level…

信息检索 · 计算机科学 2024-04-10 Shen Gao , Yifan Wang , Jiabao Fang , Lisi Chen , Peng Han , Shuo Shang

We introduce the Knob-Meter-Rule (KMR) framework, a unified formalism for representing and reasoning about model efficiency techniques in deep learning. By abstracting diverse methods, including pruning, quantization, knowledge…

机器学习 · 计算机科学 2025-08-20 Naman Tyagi , Srishti Das , Kunal , Vatsal Gupta

Financial portfolio management investment policies computed quantitatively by modern portfolio theory techniques like the Markowitz model rely on a set on assumptions that are not supported by data in high volatility markets. Hence,…

计算工程、金融与科学 · 计算机科学 2024-07-22 Alejandra de la Rica Escudero , Eduardo C. Garrido-Merchan , Maria Coronado-Vaca

Effective resource management and network slicing are essential to meet the diverse service demands of vehicular networks, including Enhanced Mobile Broadband (eMBB) and Ultra-Reliable and Low-Latency Communications (URLLC). This paper…

Ensuring reliability in modern software systems requires rigorous pre-production testing across highly heterogeneous and evolving environments. Because exhaustive evaluation is infeasible, practitioners must decide how to allocate limited…

软件工程 · 计算机科学 2025-10-08 Yu Zhu

Reinforcement learning (RL) is a promising tool to solve robust optimal well control problems where the model parameters are highly uncertain, and the system is partially observable in practice. However, RL of robust control policies often…

机器学习 · 计算机科学 2022-07-14 Atish Dixit , Ahmed H. ElSheikh

In real practice, questions are typically complex and knowledge-intensive, requiring Large Language Models (LLMs) to recognize the multifaceted nature of the question and reason across multiple information sources. Iterative and adaptive…

计算与语言 · 计算机科学 2025-12-05 Boyi Zhang , Zhuo Liu , Hangfeng He

Predictive modeling over relational databases (RDBs) powers applications, yet remains challenging due to capturing both cross-table dependencies and complex feature interactions. Relational Deep Learning (RDL) methods automate feature…

机器学习 · 计算机科学 2026-02-27 Zhikai Chen , Han Xie , Jian Zhang , Jiliang Tang , Xiang Song , Huzefa Rangwala

Strategies for improving the training and prediction quality of weakly supervised machine learning models vary in how much they are tailored to a specific task or integrated with a specific model architecture. In this work, we introduce…

机器学习 · 计算机科学 2021-08-05 Anastasiia Sedova , Andreas Stephan , Marina Speranskaya , Benjamin Roth

We propose a new approach of NoSQL database index selection. For different workloads, we select different indexes and their different parameters to optimize the database performance. The approach builds a deep reinforcement learning model…

数据库 · 计算机科学 2020-06-17 Shun Yao , Hongzhi Wang , Yu Yan

Traditional decision tree algorithms are explainable but struggle with non-linear, high-dimensional data, limiting its applicability in complex decision-making. Neural networks excel at capturing complex patterns but sacrifice…

机器学习 · 计算机科学 2024-11-14 Sichao Xiong , Yigit Ihlamur , Fuat Alican , Aaron Ontoyin Yin