Tracker Ontology Reference Manual: MFO Ontology Properties

## MFO Ontology Properties

### mfo:totalCount

Total messages count within a channel

`Type` : | --
`Domain` : | mfo:FeedChannel,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:expiryInterval

Expiry interval for feed channel, it tells time that a message in a channel can live. Interpreted as minutes

`Type` : | --
`Domain` : | mfo:FeedSettings,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:name

Feed format name like rss-atom,flickr,facebook

`Type` : | --
`Domain` : | mfo:FeedType,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:updateInterval

Update interval for a feed channel to get updated or refreshed. Interpreted as minutes

`Type` : | --
`Domain` : | mfo:FeedSettings,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:action

Captures the current action for the channel: Refresh Now

`Type` : | --
`Domain` : | mfo:FeedChannel,
`Range` : | mfo:Action,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:downloadPath

Download path for enclosures in a message

`Type` : | --
`Domain` : | mfo:FeedSettings,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:localLink

Downloaded copy of the enclosure

`Type` : | --
`Domain` : | mfo:Enclosure,
`Range` : | nfo:FileDataObject,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:unreadCount

Unread messages count within a channel

`Type` : | --
`Domain` : | mfo:FeedChannel,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:maxSize

Maximum size of enclosure that can be downloaded. Interpreted as KBs

`Type` : | --
`Domain` : | mfo:FeedSettings,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:type

Feeds format type which is mapped to plugin used in engine: flickr,rss-atom

`Type` : | --
`Domain` : | mfo:FeedChannel,
`Range` : | mfo:FeedType,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:image

`Type` : | --
`Domain` : | mfo:FeedElement,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:downloadedTime

Captures the time stamp when message was downloaded

`Type` : | --
`Domain` : | mfo:FeedMessage,
`Range` : | xsd:dateTime,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:feedSettings

Settings

`Type` : | --
`Domain` : | mfo:FeedElement,
`Range` : | mfo:FeedSettings,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:groupDefault

Different enclosures can represent the same resource in different formats/resolutions. This representations are grouped using the nie:identifier property and this property identify the default between them.

`Type` : | --
`Domain` : | mfo:Enclosure,
`Range` : | xsd:boolean,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:optional

The enclosure is mandatory to download or only optional

`Type` : | --
`Domain` : | mfo:Enclosure,
`Range` : | xsd:boolean,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:updatedTime

Captures the updated date and time when the channel is updated

`Type` : | --
`Domain` : | mfo:FeedChannel,
`Range` : | xsd:dateTime,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:enclosureList

A list of enclosures

`Type` : | --
`Domain` : | mfo:FeedMessage,
`Range` : | mfo:Enclosure,
`Superproperties` : | --
`Subproperties` : | --

### mfo:remoteLink

Used to store remote URL of enclosure

`Type` : | --
`Domain` : | mfo:Enclosure,
`Range` : | nfo:RemoteDataObject,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### mfo:downloadFlag

To indicate whether enclosures will be downloaded or not

`Type` : | --
`Domain` : | mfo:FeedSettings,
`Range` : | xsd:boolean,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1