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We address, through the automated reasoning tools in GeoGebra Discovery, a problem from a regional phase of the Austrian Mathematics Olympiad 2023. Trying to solve this problem gives rise to four different kind of feedback: the almost…

符号计算 · 计算机科学 2024-01-25 Belén Ariño-Morera , Zoltán Kovács , Tomás Recio , Piedad Tolmos

This paper introduces a novel adaptive ensemble framework that synergistically combines XGBoost and neural networks through sophisticated meta-learning. The proposed method leverages advanced uncertainty quantification techniques and…

机器学习 · 计算机科学 2025-10-07 Arthur Sedek

Incremental improvements in accuracy of Convolutional Neural Networks are usually achieved through use of deeper and more complex models trained on larger datasets. However, enlarging dataset and models increases the computation and storage…

音频与语音处理 · 电气工程与系统科学 2018-07-24 Mahdi Hajibabaei , Dengxin Dai

Regression algorithms are regularly used for improving the accuracy of satellite precipitation products. In this context, satellite precipitation and topography data are the predictor variables, and gauged-measured precipitation data are…

机器学习 · 计算机科学 2023-10-17 Georgia Papacharalampous , Hristos Tyralis , Nikolaos Doulamis , Anastasios Doulamis

Diabetes is a serious worldwide health issue, and successful intervention depends on early detection. However, overlapping risk factors and data asymmetry make prediction difficult. To use extensive health survey data to create a machine…

Geodesic distance serves as a reliable means of measuring distance in nonlinear spaces, and such nonlinear manifolds are prevalent in the current multimodal learning. In these scenarios, some samples may exhibit high similarity, yet they…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Shibin Mei , Hang Wang , Bingbing Ni

Given an increasingly volatile climate, the relationship between weather and transit ridership has drawn increasing interest. However, challenges stemming from spatio-temporal dependency and non-stationarity have not been fully addressed in…

应用统计 · 统计学 2022-04-22 Francisco Rowe , Michael Mahony , Sui Tao

This study introduces RicEns-Net, a novel Deep Ensemble model designed to predict crop yields by integrating diverse data sources through multimodal data fusion techniques. The research focuses specifically on the use of synthetic aperture…

图像与视频处理 · 电气工程与系统科学 2025-02-11 Akshay Dagadu Yewle , Laman Mirzayeva , Oktay Karakuş

This paper describes the Duluth UROP systems that participated in SemEval--2018 Task 2, Multilingual Emoji Prediction. We relied on a variety of ensembles made up of classifiers using Naive Bayes, Logistic Regression, and Random Forests. We…

计算与语言 · 计算机科学 2018-05-28 Shuning Jin , Ted Pedersen

The explosion in the availability of natural language data in the era of social media has given rise to a host of applications such as sentiment analysis and opinion mining. Simultaneously, the growing availability of precise geolocation…

计算与语言 · 计算机科学 2021-08-03 Olga Kellert , Nicholas H. Matlis

Twitter is often used in quantitative studies that identify geographically-preferred topics, writing styles, and entities. These studies rely on either GPS coordinates attached to individual messages, or on the user-supplied location field…

计算与语言 · 计算机科学 2015-08-25 Umashanthi Pavalanathan , Jacob Eisenstein

Geolocalization of social media content is the task of determining the geographical location of a user based on textual data, that may show linguistic variations and informal language. In this project, we address the GeoLingIt challenge of…

计算与语言 · 计算机科学 2024-07-24 Davide Savarro , Davide Zago , Stefano Zoia

The quality of generative models (such as Generative adversarial networks and Variational Auto-Encoders) depends heavily on the choice of a good probability distance. However some popular metrics like the Wasserstein or the Sliced…

机器学习 · 计算机科学 2021-04-16 Gabriel Turinici

Geolocation is now a vital aspect of modern life, offering numerous benefits but also presenting serious privacy concerns. The advent of large vision-language models (LVLMs) with advanced image-processing capabilities introduces new risks,…

密码学与安全 · 计算机科学 2024-08-20 Yi Liu , Junchen Ding , Gelei Deng , Yuekang Li , Tianwei Zhang , Weisong Sun , Yaowen Zheng , Jingquan Ge , Yang Liu

We apply contextualised word embeddings to lexical semantic change detection in the SemEval-2020 Shared Task 1. This paper focuses on Subtask 2, ranking words by the degree of their semantic drift over time. We analyse the performance of…

计算与语言 · 计算机科学 2020-07-21 Andrey Kutuzov , Mario Giulianelli

Cross-modal retrieval between visual data and natural language description remains a long-standing challenge in multimedia. While recent image-text retrieval methods offer great promise by learning deep representations aligned across…

A significant degree of misclassification of variable stars through the application of machine learning methods to survey data motivates a search for more reliable and accurate machine learning procedures, especially in light of the very…

太阳与恒星天体物理 · 物理学 2019-06-18 Refilwe Kgoadi , Chris Engelbrecht , Ian Whittingham , Andrew Tkachenko

We present the findings of our participation in the SemEval-2023 Task 10: Explainable Detection of Online Sexism (EDOS) task, a shared task on offensive language (sexism) detection on English Gab and Reddit dataset. We investigated the…

This study investigates whether the geospatial and multimodal features encoded in \textit{Earth Embeddings} can effectively guide deep learning (DL) regression models for regional surface height mapping. In particular, we focused on…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Alireza Hamoudzadeh , Valeria Belloni , Roberta Ravanelli

With the aim of promoting and understanding the multilingual version of image search, we leverage visual object detection and propose a model with diverse multi-head attention to learn grounded multilingual multimodal representations.…

计算与语言 · 计算机科学 2019-10-02 Po-Yao Huang , Xiaojun Chang , Alexander Hauptmann