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    Platform For AI:DatasetFileMeta

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    Platform For AI:DatasetFileMeta

    Last Updated:Dec 04, 2025

    Parameter

    Type

    Description

    Example

    object

    The details of the dataset file metadata.

    DatasetFileMetaId

    string

    The ID of the dataset file metadata.

    07914c9534586e4e7aa6e9dbca5009082df******fd8a0d857b33296c59bf6
    Uri

    string

    The unique URI of the file. It records the unique path of the file. Paths for files in OSS and NAS are supported.

    OSS

    oss://${bucket}/${path}

    NAS

    nas://${fileSystemId}/${path}

    oss://test-bucket/dataset/cat.png
    FileName

    string

    The name of the file.

    cat.png
    DownloadUrl

    string

    The download URL of the file.

    https://test-bucket.oss-cn-shanghai.aliyuncs.com/dataset/cat.png?Expires=171280****&OSSAccessKeyId=LTAI************&Signature=****jZcXOn7FHMCT1DLE22NuNjs%3D
    Score

    number

    The similarity score.

    0.6
    DataSize

    integer

    The size of the file in bytes.

    120000
    FileFingerPrint

    string

    The file fingerprint. This value ensures the uniqueness of the file content and changes if the content is modified. The ETag is used for OSS files, and the MD5 value is used for NAS files.

    D41D8CD98F*****E9800998ECF8

    FileUpdateTime

    string

    The time when the file was last modified. The time is in Coordinated Universal Time (UTC) and in ISO 8601 format.

    2025-01-12T14:36:01Z
    Tags

    string

    A collection of tags for the metadata, in JSON string format. The collection includes the following groups:

    • Algorithm tag group:

      • ai: A list of tag names aggregated from all algorithm-based tagging tasks for a single metadata record.

    • User-defined tag group:

      • user: A list of tag names that a user adds to a single metadata record.

      • user-delete-ai-tags: A list of tag names from the algorithm tag group that the user deletes from a single metadata record.

    { "ai": [ "Lane line", "Water horse", "Sunny day" ], "user": [ "Everett", "Intelligent driving Dataset 1", "Cloudy day" ], "user-delete-ai-tags": [ "Sunny day" ] }
    ThumbnailUrl

    string

    The URL of the thumbnail.

    https://test-bucket.oss-cn-shanghai.aliyuncs.com/dataset/cat.png?Expires=171280****&OSSAccessKeyId=LTAI************&Signature=****jZcXOn7FHMCT1DLE22NuNjs%3D
    MetaAttributes

    string

    Specific metadata for the file, such as the width and height of an image or the bitrate and resolution of a video. Currently, this metadata cannot be used for retrieval. The format is a JSON string.

    { "ImageHeight": 400, "ImageWidth": 800 }
    SyncTime

    string

    The time when the metadata was last synchronized. The time is in ISO 8601 format.

    2021-01-12T14:36:01.000Z
    TagUpdateTime

    string

    The time when the tags were last modified. The time is in ISO 8601 format.

    2021-01-12T14:36:01.000Z
    SemanticIndexJobId

    string

    The ID of the job that last built the semantic index.

    dsjob-klfwtjto****scvt3
    SemanticIndexUpdateTime

    string

    The time when the semantic index was last updated. The time is in UTC and in ISO 8601 format.

    2021-01-12T14:36:01.000Z
    FileCreateTime

    string

    The time when the file was created. The time is in UTC and in ISO 8601 format.

    2021-01-12T14:36:01.000Z
    FileType

    string

    The type of the file. This corresponds to the main type of a Multipurpose Internet Mail Extensions (MIME) type.

    image
    ContentType

    string

    The MIME type of the file. It includes a type and a subtype.

    image/jpeg
    Status

    string
    The current status of the metadata: - ACTIVE: Active. - DELETED: Deleted.

    ACTIVE