Class: FileType

A specific encoding of data for storage purposes. A FileType is defined by a set of common characteristics and expectations, that can be assumed for all files of a given file type.

URI: mme_schema:FileType

erDiagram FileType { string id string description string name stringList subject stringList associated_vendors stringList associated_instruments stringList associated_software stringList associated_file_extensions stringList associated_standards stringList registered_extractors } FileType ||--}o FileType : "base_formats"

Slots

Name

Cardinality and Range

Description

Inheritance

id

1..1
String

A unique identifier for the entry within the MaRDA registry namespace, this
should be a shorthand label rather than a UUID. Only lower-case alphanumeric and
dash (“-”) characters are permitted.

direct

description

1..1
String

A human-readable outline of the entry, its format, data content and uses.

direct

name

1..1
String

A recognisable name for the entry.

direct

subject

0..*
String

Any keywords, phrases or classification codes that are relevant to the entry,
e.g., particular scientific domains of applicability, or experimental
techniques.

direct

associated_vendors

0..*
String

A list of software or instrument vendors that can be associated with this
particular FileType.

direct

associated_instruments

0..*
String

A list of any instruments, or classes of instruments, that typically create the
data encoded into this FileType.

direct

associated_software

0..*
String

A list of any known software (proprietary or otherwise) that produces such
FileType.

direct

associated_file_extensions

0..*
String

A list of any known file extensions that files of this FileType are found
with. These may be used as a hint for FileType detection. Should omit the
leading '.', e.g. ‘json’ or ‘txt’.

direct

base_formats

0..*
FileType

A list of any particular underlying generic formats which this FileType is
based on, e.g., CSV, JSON, HDF5, XML.

direct

associated_standards

0..*
String

A list of any particular well-defined file format standards relevant to this
FileType, e.g., CIF, NeXus, then it can be listed here.

direct

registered_extractors

0..*
String

A slot for an automatically-generated enumeration of Extractor IDs that
support this file type. This slot should be auto-populated by a registry.

direct

Usages

used by

used in

type

used

FileType

base_formats

range

FileType

Identifier and Mapping Information

Schema Source

  • from schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/

Mappings

Mapping Type

Mapped Value

self

mme_schema:FileType

native

mme_schema:FileType

close

schema_org:fileFormat, schema_org:encodingFormat

Examples

Example: FileType-example

---
id: >-
    example-filetype
name: >-
    Example Filetype
description: >-
    A binary data file with a random description. Can be multilined. It is just an
    example.
associated_vendors:
    - Example Vendor
subject:
    - science
    - engineering
associated_instruments:
    - Example Machine
    - Bunch of Junk
associated_file_extensions:
    - dat
    - txt
    - tar.gz
associated_software:
    - Example Software
    - Bitrot Software

Example: FileType-netcdf

---
id: >-
    netcdf
name: >-
    Network Common Data Form (NetCDF) file.
description: >-
    A file format for storing multidimensional scientific data (variables) such as
    temperature, humidity, pressure, wind speed, and direction. This particular record
    represents NetCDF version 4, which used HDF5+ as a container.
associated_vendors:
    - UCAR
subject:
    - climatology
    - meteorology - oceanography
associated_file_extensions:
    - nc
associated_software:
    - ArcGIS
    - OriginPro

LinkML Source

Direct

name: FileType
description: A specific encoding of data for storage purposes. A `FileType` is defined
  by a set of common characteristics and expectations, that can be assumed for all
  files of a given file type.
from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
close_mappings:
- schema_org:fileFormat
- schema_org:encodingFormat
rank: 1000
slots:
- id
- description
- name
- subject
attributes:
  associated_vendors:
    name: associated_vendors
    description: A list of software or instrument vendors that can be associated with
      this particular `FileType`.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    slot_uri: schema_org:vendor
    multivalued: true
    domain_of:
    - FileType
  associated_instruments:
    name: associated_instruments
    description: A list of any instruments, or classes of instruments, that typically
      create the data encoded into this `FileType`.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    domain_of:
    - FileType
  associated_software:
    name: associated_software
    description: A list of any known software (proprietary or otherwise) that produces
      such `FileType`.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    domain_of:
    - FileType
  associated_file_extensions:
    name: associated_file_extensions
    description: A list of any known file extensions that files of this `FileType`
      are found with. These may be used as a hint for `FileType` detection. Should
      omit the leading `'.'`, e.g. 'json' or 'txt'.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    domain_of:
    - FileType
    pattern: ^[A-z,0-9]*[A-z,0-9,.]+[A-z,0-9]$
  base_formats:
    name: base_formats
    description: A list of any particular underlying generic formats which this `FileType`
      is based on, e.g., CSV, JSON, HDF5, XML.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    domain_of:
    - FileType
    range: FileType
  associated_standards:
    name: associated_standards
    description: A list of any particular well-defined file format standards relevant
      to this `FileType`, e.g., CIF, NeXus, then it can be listed here.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    domain_of:
    - FileType
  registered_extractors:
    name: registered_extractors
    description: A slot for an automatically-generated enumeration of `Extractor`
      IDs that support this file type. This slot should be auto-populated by a registry.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    domain_of:
    - FileType
    pattern: ^[a-z]+[a-z,0-9,-]*[a-z,0-9]+$

Induced

name: FileType
description: A specific encoding of data for storage purposes. A `FileType` is defined
  by a set of common characteristics and expectations, that can be assumed for all
  files of a given file type.
from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
close_mappings:
- schema_org:fileFormat
- schema_org:encodingFormat
rank: 1000
attributes:
  associated_vendors:
    name: associated_vendors
    description: A list of software or instrument vendors that can be associated with
      this particular `FileType`.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    slot_uri: schema_org:vendor
    multivalued: true
    alias: associated_vendors
    owner: FileType
    domain_of:
    - FileType
    range: string
  associated_instruments:
    name: associated_instruments
    description: A list of any instruments, or classes of instruments, that typically
      create the data encoded into this `FileType`.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    alias: associated_instruments
    owner: FileType
    domain_of:
    - FileType
    range: string
  associated_software:
    name: associated_software
    description: A list of any known software (proprietary or otherwise) that produces
      such `FileType`.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    alias: associated_software
    owner: FileType
    domain_of:
    - FileType
    range: string
  associated_file_extensions:
    name: associated_file_extensions
    description: A list of any known file extensions that files of this `FileType`
      are found with. These may be used as a hint for `FileType` detection. Should
      omit the leading `'.'`, e.g. 'json' or 'txt'.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    alias: associated_file_extensions
    owner: FileType
    domain_of:
    - FileType
    range: string
    pattern: ^[A-z,0-9]*[A-z,0-9,.]+[A-z,0-9]$
  base_formats:
    name: base_formats
    description: A list of any particular underlying generic formats which this `FileType`
      is based on, e.g., CSV, JSON, HDF5, XML.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    alias: base_formats
    owner: FileType
    domain_of:
    - FileType
    range: FileType
  associated_standards:
    name: associated_standards
    description: A list of any particular well-defined file format standards relevant
      to this `FileType`, e.g., CIF, NeXus, then it can be listed here.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    alias: associated_standards
    owner: FileType
    domain_of:
    - FileType
    range: string
  registered_extractors:
    name: registered_extractors
    description: A slot for an automatically-generated enumeration of `Extractor`
      IDs that support this file type. This slot should be auto-populated by a registry.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    multivalued: true
    alias: registered_extractors
    owner: FileType
    domain_of:
    - FileType
    range: string
    pattern: ^[a-z]+[a-z,0-9,-]*[a-z,0-9]+$
  id:
    name: id
    description: A unique identifier for the entry within the MaRDA registry namespace,
      this should be a shorthand label rather than a UUID. Only lower-case alphanumeric
      and dash ("-") characters are permitted.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    slot_uri: schema_org:identifier
    identifier: true
    alias: id
    owner: FileType
    domain_of:
    - Extractor
    - SupportedFileType
    - FileType
    range: string
    required: true
    pattern: ^[a-z]+[a-z,0-9,-]*[a-z,0-9]+$
  description:
    name: description
    description: A human-readable outline of the entry, its format, data content and
      uses.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    slot_uri: schema_org:description
    alias: description
    owner: FileType
    domain_of:
    - Extractor
    - SupportedFileType
    - FileType
    range: string
    required: true
  name:
    name: name
    description: A recognisable name for the entry.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    slot_uri: schema_org:name
    alias: name
    owner: FileType
    domain_of:
    - Extractor
    - FileType
    range: string
    required: true
  subject:
    name: subject
    description: Any keywords, phrases or classification codes that are relevant to
      the entry, e.g., particular scientific domains of applicability, or experimental
      techniques.
    from_schema: https://marda-alliance.github.io/metadata_extractors_schema/main/mme_schema/
    rank: 1000
    slot_uri: dc_terms:subject
    multivalued: true
    alias: subject
    owner: FileType
    domain_of:
    - Extractor
    - FileType
    range: string