DatasetFileMeta Fields and Schema for PAI Workspace API - Platform For AI - Alibaba Cloud - Platform For AI

Parameter	Type	Description	Example
	object	The dataset file metadata details.
DatasetFileMetaId	string	The dataset file metadata ID.	07914c9534586e4e7aa6e9dbca5009082df******fd8a0d857b33296c59bf6
Uri	string	The unique URI of the file. This parameter is used to record the unique path of the file. File paths in OSS and NAS are supported. OSS oss://${bucket}/${path} NAS nas://${fileSystemId}/${path}	oss://test-bucket/dataset/cat.png
FileName	string	The file name.	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 file size, in bytes.	120000
FileFingerPrint	string	The file fingerprint value. This parameter is used to determine the uniqueness of the file content. The value changes when the file content is modified. The ETag is used for OSS files, and the MD5 value is used for NAS files.	D41D8CD98F*****E9800998ECF8
FileUpdateTime	string	The last modification time of the file. The value is a UTC timestamp in ISO 8601 format.	2025-01-12T14:36:01Z
Tags	string	The collection of labels for the metadata, in JSON string format. The following label groups are included: Algorithm label group: ai: the list of label names aggregated from all algorithm labeling tasks for a single metadata entry. User-defined label group: user: the list of label names manually added by the user for a single metadata entry. user-delete-ai-tags: the list of label names in the algorithm label group that the user wants to delete for a single metadata entry.	{ "ai": [ "Lane line", "Water horse", "Sunny day" ], "user": [ "Everett", "Intelligent driving Dataset 1", "Cloudy day" ], "user-delete-ai-tags": [ "Sunny day" ] }
ThumbnailUrl	string	The thumbnail URL.	https://test-bucket.oss-cn-shanghai.aliyuncs.com/dataset/cat.png?Expires=171280**&OSSAccessKeyId=LTAI********&Signature=**jZcXOn7FHMCT1DLE22NuNjs%3D
MetaAttributes	string	The specific metadata of the file. For example, image width and height, or video bitrate and resolution. Search is not supported for this field. The value is in JSON string format.	{ "ImageHeight": 400, "ImageWidth": 800 }
SemanticIndexJobId	string	The task ID of the last semantic index build.	dsjob-klfwtjto****scvt3
SemanticIndexUpdateTime	string	The last update time of the semantic index. The value is a UTC timestamp in ISO 8601 format.	2021-01-12T14:36:01.000Z
FileCreateTime	string	The file creation time. The value is a UTC timestamp in ISO 8601 format.	2021-01-12T14:36:01.000Z
FileType	string	The file type. The value is the same as the MIME type.	image
ContentType	string	The MIME type of the file. The value contains the type and subtype.	image/jpeg
Status	string	The current status of the metadata. Valid values: ACTIVE: active. DELETED: deleted.	ACTIVE

object

The dataset file metadata details.

DatasetFileMetaId

string

The dataset file metadata ID.

07914c9534586e4e7aa6e9dbca5009082df******fd8a0d857b33296c59bf6

Uri

string

The unique URI of the file. This parameter is used to record the unique path of the file. File paths in OSS and NAS are supported.

OSS

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

NAS

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

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

FileName

string

The file name.

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 file size, in bytes.

120000

FileFingerPrint

string

The file fingerprint value. This parameter is used to determine the uniqueness of the file content. The value changes when the file content is modified. The ETag is used for OSS files, and the MD5 value is used for NAS files.

D41D8CD98F*****E9800998ECF8

FileUpdateTime

string

The last modification time of the file. The value is a UTC timestamp in ISO 8601 format.

2025-01-12T14:36:01Z

Tags

string

The collection of labels for the metadata, in JSON string format. The following label groups are included:

Algorithm label group:
- ai: the list of label names aggregated from all algorithm labeling tasks for a single metadata entry.
User-defined label group:
- user: the list of label names manually added by the user for a single metadata entry.
- user-delete-ai-tags: the list of label names in the algorithm label group that the user wants to delete for a single metadata entry.

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

ThumbnailUrl

string

The thumbnail URL.

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

MetaAttributes

string

The specific metadata of the file. For example, image width and height, or video bitrate and resolution. Search is not supported for this field. The value is in JSON string format.

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

SemanticIndexJobId

string

The task ID of the last semantic index build.

dsjob-klfwtjto****scvt3

SemanticIndexUpdateTime

string

The last update time of the semantic index. The value is a UTC timestamp in ISO 8601 format.

2021-01-12T14:36:01.000Z

FileCreateTime

string

The file creation time. The value is a UTC timestamp in ISO 8601 format.

2021-01-12T14:36:01.000Z

FileType

string

The file type. The value is the same as the MIME type.

image

ContentType

string

The MIME type of the file. The value contains the type and subtype.

image/jpeg

Status

string

The current status of the metadata. Valid values:

ACTIVE: active.
DELETED: deleted.

ACTIVE