The invention discloses a multi-modal traffic flow prediction method based on a dynamic space-time hypergraph and a large language model, and relates to the field of computer machine learning, and the method comprises the steps: obtaining a traffic data set, aligning the timestamps of text description and sensor data, and dividing a training set, a verification set and a test set; constructing a dynamic space-time hypergraph, and retaining a key space-time dependency relationship; and constructing a traffic flow prediction model, training the model by using the training set, monitoring the training process and adjusting hyper-parameters by using the verification set, and finally evaluating the prediction performance of the model by using the test set. The method is superior to an existing method, and the effectiveness of the method in a complex dynamic traffic environment is proved.

    本发明公开了基于动态时空超图与大语言模型的多模态交通流预测方法,涉及计算机机器学习领域,包括:获取交通数据集,对齐文本描述与传感器数据的时间戳,划分训练集、验证集与测试集;构建动态时空超图,保留关键时空依赖关系;构建交通流预测模型,采用训练集对模型进行训练,验证集监控训练过程并调整超参数,最终采用测试集评估模型预测性能。本发明优于现有方法,证明了其在复杂动态交通环境中的有效性。


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    Titel :

    Multi-modal traffic flow prediction method based on dynamic space-time hypergraph and large language model


    Weitere Titelangaben:

    基于动态时空超图与大语言模型的多模态交通流预测方法


    Beteiligte:
    LU YAXUAN (Autor:in) / HUO GUANGYU (Autor:in) / CUI XIAOHUI (Autor:in)

    Erscheinungsdatum :

    06.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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