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Input features play a crucial role in DNN-based recommender systems with thousands of categorical and continuous fields from users, items, contexts, and interactions. Noisy features and inappropriate embedding dimension assignments can…

Information Retrieval · Computer Science 2023-11-14 Yao Yao , Bin Liu , Haoxun He , Dakui Sheng , Ke Wang , Li Xiao , Huanhuan Cao

Differentiable architecture search (DARTS) has emerged as a promising technique for effective neural architecture search, and it mainly contains two steps to find the high-performance architecture: First, the DARTS supernet that consists of…

Artificial Intelligence · Computer Science 2024-09-24 Le Yang , Ziwei Zheng , Yizeng Han , Shiji Song , Gao Huang , Fan Li

Missing and incorrect values often cause serious consequences. To deal with these data quality problems, a class of common employed tools are dependency rules, such as Functional Dependencies (FDs), Conditional Functional Dependencies…

Databases · Computer Science 2017-10-10 Jizhou Sun , Jianzhong Li , Hong Gao

In embedded control systems, the potential risks of software defects have been increasing because of software complexity which leads to, for example, timing related problems. These defects are rarely found by tests or simulations. To detect…

Logic in Computer Science · Computer Science 2013-01-03 Masahiro Matsubara , Kohei Sakurai , Fumio Narisawa , Masushi Enshoiwa , Yoshio Yamane , Hisamitsu Yamanaka

This paper presents a novel meta learning framework for feature selection (FS) based on fuzzy similarity. The proposed method aims to recommend the best FS method from four candidate FS methods for any given dataset. This is achieved by…

Machine Learning · Computer Science 2020-05-22 Zixiao Shen , Xin Chen , Jonathan M. Garibaldi

Feature selection has been recently used in the area of software engineering for improving the accuracy and robustness of software cost models. The idea behind selecting the most informative subset of features from a pool of available cost…

Software Engineering · Computer Science 2023-12-21 Efi Papatheocharous , Harris Papadopoulos , Andreas S. Andreou

Several real-world classification problems are example-dependent cost-sensitive in nature, where the costs due to misclassification vary between examples and not only within classes. However, standard classification methods do not take…

Machine Learning · Computer Science 2015-05-19 Alejandro Correa Bahnsen , Djamila Aouada , Bjorn Ottersten

Managing software development productivity and effort are key issues in software organizations. Identifying the most relevant factors influencing project performance is essential for implementing business strategies by selecting and…

Software Engineering · Computer Science 2014-01-22 Adam Trendowicz , Michael Ochs , Axel Wickenkamp , Jürgen Münch , Yasushi Ishigai , Takashi Kawaguchi

Card transaction fraud is a growing problem affecting card holders worldwide. Financial institutions increasingly rely upon data-driven methods for developing fraud detection systems, which are able to automatically detect and block…

Applications · Statistics 2020-05-07 Sebastiaan Höppner , Bart Baesens , Wouter Verbeke , Tim Verdonck

Fuzzy rough feature selection (FRFS) is an effective means of addressing the curse of dimensionality in high-dimensional data. By removing redundant and irrelevant features, FRFS helps mitigate classifier overfitting, enhance generalization…

Machine Learning · Computer Science 2025-05-22 Suping Xu , Lin Shang , Keyu Liu , Hengrong Ju , Xibei Yang , Witold Pedrycz

Reinforcement learning (RL) often struggles in real-world tasks with high-dimensional state spaces and long horizons, where sparse or fixed rewards severely slow down exploration and cause agents to get trapped in local optima. This paper…

Robotics · Computer Science 2026-04-20 Hürkan Şahin , Van Huyen Dang , Erdi Sayar , Alper Yegenoglu , Erdal Kayacan

Software process improvement (SPI) is a means to an end, not an end in itself (e.g., a goal is to achieve shorter time to market and not just compliance to a process standard). Therefore, SPI initiatives ought to be streamlined to meet the…

Software Engineering · Computer Science 2021-05-12 Ramtin Jabbari , Nauman bin Ali , Kai Petersen

Differentiable Neural Architecture Search (NAS) provides a promising avenue for automating the complex design of deep learning (DL) models. However, current differentiable NAS methods often face constraints in efficiency, operation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Lunchen Xie , Eugenio Lomurno , Matteo Gambella , Danilo Ardagna , Manual Roveri , Matteo Matteucci , Qingjiang Shi

In this study, we consider an optimization problem with uncertainty dependent on decision variables, which has recently attracted attention due to its importance in machine learning and pricing applications. In this problem, the gradient of…

Optimization and Control · Mathematics 2024-12-31 Yuya Hikima , Akiko Takeda

The problem of relevant and diverse subset selection has a wide range of applications, including recommender systems and retrieval-augmented generation (RAG). For example, in recommender systems, one is interested in selecting relevant…

Machine Learning · Computer Science 2026-03-10 Vu Nguyen , Andrey Kan

Demand for high software reliability requires rigorous testing followed by requirement of robust modeling techniques for software quality prediction. On one side, firms have to steadily manage the reliability by testing it vigorously, the…

Artificial Intelligence · Computer Science 2015-09-30 Arvind Kumar , Adarsh Anand , Pankaj Kumar Garg , Mohini Agarwal

Given a database and a target attribute of interest, how can we tell whether there exists a functional, or approximately functional dependence of the target on any set of other attributes in the data? How can we reliably, without bias to…

Databases · Computer Science 2017-06-20 Panagiotis Mandros , Mario Boley , Jilles Vreeken

We study the problem of evaluating a discrete function by adaptively querying the values of its variables until the values read uniquely determine the value of the function. Reading the value of a variable is done at the expense of some…

Data Structures and Algorithms · Computer Science 2014-06-17 Aline Saettler , Eduardo Laber , Ferdinando Cicalese

This study first reviews fuzzy random Portfolio selection theory and describes the concept of portfolio optimization model as a useful instrument for helping finance practitioners and researchers. Second, this paper specifically aims at…

Optimization and Control · Mathematics 2014-02-18 Mir Ehsan Hesam Sadati , Ali Doniavi

Requirements selection is a decision-making process that enables project managers to focus on the deliverables that add most value to the project outcome. This task is performed to define which features or requirements will be developed in…

Software Engineering · Computer Science 2024-01-24 José del Sagrado , Isabel M del Águila