nfo:FileDataObject: Tracker Ontology Reference Manual

## nfo:FileDataObject nfo:FileDataObject |

## Description

A resource containing a finite sequence of bytes with arbitrary information, that is available to a computer program and is usually based on some kind of durable storage. A file is durable in the sense that it remains available for programs to use after the current program has finished.

## Class hierarchy

        http://www.w3.org/2000/01/rdf-schema#Resource
            nie:DataObject
            ╰── nfo:FileDataObject
                ├── nfo:RemoteDataObject
                ├── nfo:EmbeddedFileDataObject
                ╰── nfo:DeletedResource

## Full-text-indexed properties

nfo:FileDataObject has the following full-text-indexed properties:

- nfo:fileName

## Properties

### The `“nfo:fileLastModified”` property

    “nfo:fileLastModified”          http://www.w3.org/2001/XMLSchema#dateTime

last modification date

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

### The `“nfo:fileOwner”` property

    “nfo:fileOwner”          nco:Contact

The owner of the file as defined by the file system access rights feature.

Number of possible elements per resource (Cardinality): 1

### The `“nfo:hasHash”` property

    “nfo:hasHash”          nfo:FileHash

Links the file with it's hash value.

Number of possible elements per resource (Cardinality): 1

### The `“nfo:fileName”` property

    “nfo:fileName”          http://www.w3.org/2001/XMLSchema#string

Name of the file, together with the extension

Number of possible elements per resource (Cardinality): 1

This property is full-text-indexed, and can be looked up through `fts:match`.

### The `“nfo:permissions”` property

    “nfo:permissions”          http://www.w3.org/2001/XMLSchema#string

A string containing the permissions of a file. A feature common in many UNIX-like operating systems.

Number of possible elements per resource (Cardinality): 1

### The `“nfo:fileSize”` property

    “nfo:fileSize”          http://www.w3.org/2001/XMLSchema#integer

The size of the file in bytes. For compressed files it means the size of the packed file, not of the contents. For folders it means the aggregated size of all contained files and folders

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nie:byteSize”` from the `nie:DataObject` class

### The `“nfo:fileCreated”` property

    “nfo:fileCreated”          http://www.w3.org/2001/XMLSchema#dateTime

File creation date

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes:

- `“nie:created”` from the `nie:DataObject` class

### The `“nfo:fileLastAccessed”` property

    “nfo:fileLastAccessed”          http://www.w3.org/2001/XMLSchema#dateTime

Time when the file was last accessed.

Number of possible elements per resource (Cardinality): 1

This property supersedes the following properties from this or parent classes: