MAINLAND/xview_part3

该数据集包含图像和消息两个主要特征。图像特征的数据类型为图像，消息特征是一个列表，包含内容和角色两个子特征。内容子特征也是一个列表，包含索引、文本内容和类型三个子特征。角色子特征的数据类型为字符串。数据集仅包含一个训练集，共有34,931个样本，总大小为42,935,664,532.694字节，下载大小为4,798,638,409字节。

The dataset contains two main features: image and messages. The image feature is of image data type, while the messages feature is a list containing two sub-features: content and role. The content sub-feature is also a list, containing three sub-features: index, text, and type, representing index, text content, and type respectively. The role sub-feature is of string data type. The dataset includes only a training set with 34,931 samples, totaling 42,935,664,532.694 bytes in size, and a download size of 4,798,638,409 bytes.