Metadata
Metadata keeps your data objects and projects organized. All objects that are uploaded or created will have associated metadata with fields such as Name, ID, Path, Status, Class, File Size, Created by, Created, and Modified.
Data Objects
Object Classes include:
Data files
Apps and Applets
Workflows
Jobs
Analyses
Records
Each object receives their own unique ID
These can be file IDs or job IDs
These NEVER change
The same file can be uploaded multiple times into a project; different objects will be created. The platform DOES NOT overwrite a file. Instead, it creates a new file ID every time you upload it.
Metadata is essential to keep track of these files and their properties, since we cannot change the file ID.
The data objects can have have 2 different items of custom metadata that can be added at any point. They are:
Tags: which are words to describe the file format, genome, etc.
Examples: fastq, control, bam, vcf
Properties: are key/ value pairs that can be used to describe the file
Examples: sample_id, value= 001
Viewing Metadata
Go to your project folder and find the file information. Identify the columns for the name, type/ class, and tags
You can do this in the overview of each, without selecting the file:
Or, you can do this by selecting each file individually to see a detailed view:
Organization
You can sort and organize data based on pre-established and custom metadata by selecting the “column” icon in the top right. Columns can also be sorted by hovering over the title.
Filtering Metadata
You can filer by the metadata present in the project space. The options are drop down menus above the overview of the metadata headings.
Data Operations
When viewing details of a particular data object, you will have a section for the data operations of a file. These include archive, copy, delete, and download. These operations will vary based on the access permission that you have for a given project. You can see the data operations available in the image below:
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