中文
相关论文

相关论文: Demo2Vec: Learning Region Embedding with Demograph…

200 篇论文

The Macroscopic Fundamental Diagram is a popular tool used to describe traffic dynamics in an aggregated way, with applications ranging from traffic control to incident analysis. However, estimating the MFD for a given network requires…

机器学习 · 计算机科学 2026-05-12 Amalie Roark , Serio Agriesti , Francisco Camara Pereira , Guido Cantelmo

Reinforcement learning has recently gained traction as a means to improve combinatorial optimization methods, yet its effectiveness within local search metaheuristics specifically remains comparatively underexamined. In this study, we…

机器学习 · 计算机科学 2026-01-14 Yannick Molinghen , Augustin Delecluse , Renaud De Landtsheer , Stefano Michelini

We consider analyzing traffic accident patterns using both road network data and satellite images aligned to road graph nodes. Previous work for predicting accident occurrences relies primarily on road network structural features while…

机器学习 · 计算机科学 2026-05-15 Ziniu Zhang , Minxuan Duan , Haris N. Koutsopoulos , Hongyang R. Zhang

Manifold learning now plays a very important role in machine learning and many relevant applications. Although its superior performance in dealing with nonlinear data distribution, data sparsity is always a thorny knot. There are few…

机器学习 · 计算机科学 2019-09-17 Shenglan Liu , Yang Yu , Yang Liu , Hong Qiao , Lin Feng , Jiashi Feng

The contribution of this work is twofold: (1) We introduce a collection of ensemble methods for time series forecasting to combine predictions from base models. We demonstrate insights on the power of ensemble learning for forecasting,…

机器学习 · 计算机科学 2021-04-26 Julia Gastinger , Sébastien Nicolas , Dušica Stepić , Mischa Schmidt , Anett Schülke

Many social network applications depend on robust representations of spatio-temporal data. In this work, we present an embedding model based on feed-forward neural networks which transforms social media check-ins into dense feature vectors…

信息检索 · 计算机科学 2018-01-23 Jing Yang , Carsten Eickhoff

Audio embeddings are crucial tools in understanding large catalogs of music. Typically embeddings are evaluated on the basis of the performance they provide in a wide range of downstream tasks, however few studies have investigated the…

The choice of representation for geographic location significantly impacts the accuracy of models for a broad range of geospatial tasks, including fine-grained species classification, population density estimation, and biome classification.…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Aayush Dhakal , Srikumar Sastry , Subash Khanal , Adeel Ahmad , Eric Xing , Nathan Jacobs

Real-world Knowledge Graphs (KGs) often suffer from incompleteness, which limits their potential performance. Knowledge Graph Completion (KGC) techniques aim to address this issue. However, traditional KGC methods are computationally…

计算与语言 · 计算机科学 2023-11-03 Alla Chepurova , Aydar Bulatov , Yuri Kuratov , Mikhail Burtsev

Urban region profiling from web-sourced data is of utmost importance for urban planning and sustainable development. We are witnessing a rising trend of LLMs for various fields, especially dealing with multi-modal data research such as…

计算与语言 · 计算机科学 2024-03-26 Yibo Yan , Haomin Wen , Siru Zhong , Wei Chen , Haodong Chen , Qingsong Wen , Roger Zimmermann , Yuxuan Liang

Traditional crime prediction models based on census data are limited, as they fail to capture the complexity and dynamics of human activity. With the rise of ubiquitous computing, there is the opportunity to improve such models with data…

计算机与社会 · 计算机科学 2018-06-06 Cristina Kadar , Irena Pletikosa

What people buy is an important aspect or view of lifestyles. Studying people's shopping patterns in different urban regions can not only provide valuable information for various commercial opportunities, but also enable a better…

社会与信息网络 · 计算机科学 2017-01-24 Tianran Hu , Ruihua Song , Yingzi Wang , Xing Xie , Jiebo Luo

Discovering distinct features and their relations from data can help us uncover valuable knowledge crucial for various tasks, e.g., classification. In neuroimaging, these features could help to understand, classify, and possibly prevent…

机器学习 · 计算机科学 2022-02-15 Usman Mahmood , Zening Fu , Vince Calhoun , Sergey Plis

Low dimensional embeddings that capture the main variations of interest in collections of data are important for many applications. One way to construct these embeddings is to acquire estimates of similarity from the crowd. However,…

机器学习 · 计算机科学 2018-03-30 Kun Ho Kim , Oisin Mac Aodha , Pietro Perona

Transportation planning plays a critical role in shaping urban development, economic mobility, and infrastructure sustainability. However, traditional planning methods often struggle to accurately predict long-term urban growth and…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Eugene Denteh , Andrews Danyo , Joshua Kofi Asamoah , Blessing Agyei Kyem , Twitchell Addai , Armstrong Aboah

The role of spatial data in tackling city-related tasks has been growing in recent years. To use them in machine learning models, it is often necessary to transform them into a vector representation, which has led to the development in the…

机器学习 · 计算机科学 2021-11-05 Piotr Gramacki

We study how the training data distribution affects confidence and performance in image classification models. We introduce Embedding Density, a model-agnostic framework that estimates prediction confidence by measuring the distance of test…

机器学习 · 计算机科学 2026-01-28 Maksim Kazanskii , Artem Kasianov

Recent years brought advancements in using neural networks for representation learning of various language or visual phenomena. New methods freed data scientists from hand-crafting features for common tasks. Similarly, problems that require…

机器学习 · 计算机科学 2023-04-28 Kacper Leśniara , Piotr Szymański

To tackle ever-increasing city traffic congestion problems, researchers have proposed deep learning models to aid decision-makers in the traffic control domain. Although the proposed models have been remarkably improved in recent years,…

机器学习 · 计算机科学 2022-08-10 Hyunwook Lee , Cheonbok Park , Seungmin Jin , Hyeshin Chu , Jaegul Choo , Sungahn Ko

This study uses deep-learning models to predict city partition crime counts on specific days. It helps police enhance surveillance, gather intelligence, and proactively prevent crimes. We formulate crime count prediction as a spatiotemporal…

机器学习 · 计算机科学 2025-02-14 Li Mao , Wei Du , Shuo Wen , Qi Li , Tong Zhang , Wei Zhong