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Recent years have witnessed amazing outcomes from "Big Models" trained by "Big Data". Most popular algorithms for model training are iterative. Due to the surging volumes of data, we can usually afford to process only a fraction of the…

数据库 · 计算机科学 2015-12-15 Jinyang Gao , H. V. Jagadish , Beng Chin Ooi

The High Average Utility Itemset Mining (HAUIM) technique, a variation of High Utility Itemset Mining (HUIM), uses the average utility of the itemsets. Historically, most HAUIM algorithms were designed for static databases. However,…

数据库 · 计算机科学 2024-07-17 Jing Chen , Shengyi Yang , Weiping Ding , Peng Li , Aijun Liu , Hongjun Zhang , Tian Li

The proliferation of automated data collection schemes and the advances in sensorics are increasing the amount of data we are able to monitor in real-time. However, given the high annotation costs and the time required by quality…

机器学习 · 统计学 2023-07-17 Davide Cacciarelli , Murat Kulahci , John Sølve Tyssedal

Increasingly, researchers have suggested the benefits of temporal analysis to improve our understanding of the learning process. Sequential pattern mining (SPM), as a pattern recognition technique, has the potential to reveal the temporal…

机器学习 · 计算机科学 2023-05-02 Yingbin Zhang , Luc Paquette

This study aims to determine a predictive model to learn students probability to pass their courses taken at the earliest stage of the semester. To successfully discover a good predictive model with high acceptability, accurate, and…

机器学习 · 计算机科学 2023-04-13 Anabella C. Doctor

The success of deep active learning hinges on the choice of an effective acquisition function, which ranks not yet labeled data points according to their expected informativeness. Many acquisition functions are (partly) based on the…

机器学习 · 计算机科学 2023-11-08 Mohamadsadegh Khosravani , Sandra Zilles

Utility mining emerged to overcome the limitations of frequent itemset mining by considering the utility of an item. Utility of an item is based on user's interest or preference. Recently, temporal data mining has become a core technical…

数据库 · 计算机科学 2015-07-08 Anjali N. Radkar , S. S. Pawar

Astrochemical modelling of the interstellar medium typically makes use of complex computational codes with parameters whose values can be varied. It is not always clear what the exact nature of the relationship is between these input…

星系天体物理 · 物理学 2023-09-14 Johannes Heyl , Joshua Butterworth , Serena Viti

Active learning, a powerful paradigm in machine learning, aims at reducing labeling costs by selecting the most informative samples from an unlabeled dataset. However, the traditional active learning process often demands extensive…

机器学习 · 计算机科学 2024-01-17 Gábor Németh , Tamás Matuszka

Several decision points exist in business processes (e.g., whether a purchase order needs a manager's approval or not), and different decisions are made for different process instances based on their characteristics (e.g., a purchase order…

人工智能 · 计算机科学 2022-11-01 Gyunam Park , Aaron Küsters , Mara Tews , Cameron Pitsch , Jonathan Schneider , Wil M. P. van der Aalst

Hyperparameters tuning is a fundamental, yet computationally expensive, step in optimizing machine learning models. Beyond optimization, understanding the relative importance and interaction of hyperparameters is critical to efficient model…

机器学习 · 计算机科学 2025-12-23 Moncef Garouani , Ayah Barhrhouj

Gaining the ability to make informed decisions on operation and maintenance of structures provides motivation for the implementation of structural health monitoring (SHM) systems. However, descriptive labels for measured data corresponding…

机器学习 · 计算机科学 2022-06-24 Aidan J. Hughes , Paul Gardner , Lawrence A. Bull , Nikolaos Dervilis , Keith Worden

Educational software data promises unique insights into students' study behaviors and drivers of success. While much work has been dedicated to performance prediction in massive open online courses, it is unclear if the same methods can be…

计算机与社会 · 计算机科学 2020-06-02 Nil-Jana Akpinar , Aaditya Ramdas , Umut Acar

Regression is a fundamental prediction task common in data-centric engineering applications that involves learning mappings between continuous variables. In many engineering applications (e.g.\ structural health monitoring), feature-label…

Sequence data, e.g., complex event sequence, is more commonly seen than other types of data (e.g., transaction data) in real-world applications. For the mining task from sequence data, several problems have been formulated, such as…

数据库 · 计算机科学 2019-12-30 Wensheng Gan , Jerry Chun-Wei Lin , Han-Chieh Chao , Philip S. Yu

SHAP is a popular method for measuring variable importance in machine learning models. In this paper, we study the algorithm used to estimate SHAP scores and outline its connection to the functional ANOVA decomposition. We use this…

统计方法学 · 统计学 2022-11-14 Andrew Herren , P. Richard Hahn

Structure determination workloads in neutron diffractometry are computationally expensive and routinely require several hours to many days to determine the structure of a material from its neutron diffraction patterns. The potential for…

机器学习 · 计算机科学 2025-06-16 Tianle Wang , Jorge Ramirez , Cristina Garcia-Cardona , Thomas Proffen , Shantenu Jha , Sudip K. Seal

Utility is an important concept in economics. A variety of applications consider utility in real-life situations, which has lead to the emergence of utility-oriented mining (also called utility mining) in the recent decade. Utility mining…

数据库 · 计算机科学 2021-04-01 Wensheng Gan , Jerry Chun-Wei Lin , Jiexiong Zhang , Han-Chieh Chao , Hamido Fujita , Philip S. Yu

Active learning (AL) seeks to reduce annotation costs by selecting the most informative samples for labeling, making it particularly valuable in resource-constrained settings. However, traditional evaluation methods, which focus solely on…

机器学习 · 计算机科学 2025-07-22 Julia Machnio , Mads Nielsen , Mostafa Mehdipour Ghazi

High-level shape understanding and technique evaluation on large repositories of 3D shapes often benefit from additional information known about the shapes. One example of such information is the semantic segmentation of a shape into…

计算机视觉与模式识别 · 计算机科学 2018-07-18 David George , Xianguha Xie , Yu-Kun Lai , Gary KL Tam