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#DSUpdate XMPP Message

The DSUpdate XMMP message is responsible for communications of activity updates from active dataware (both native and legacy). The message packets have the following common format:

"source" : string, //-- namespace of dataware source

"type" : string, //-- namespace of item, defaulting to "dataware:update"*

"tags" : array of strings, //-- namespaces of associated item categories (interfaces)*

"mtime" : unix timestamp, //-- time that the update was generated by the dataware*

"location" : coordinates, //-- WGS-84 coordinate attached to the update

"description" : string, //-- a short textual summary of the update)

"action" : string, //-- create / read / update / delete

**"total" : long, ** //-- the total number of items represented by this item type

"meta" : array //-- other data associated with the update, specific to its type

#Datasphere source namespaces

All data sources must be identified using a namespace so that the catalog can reference them uniquely. The current list is as follows:

• ds:facebook
• ds:twitter

#Data type namespaces

All data items require a type (as specified in the DSUpdate schema), and these types must also have a referrable namespace. Data times may also be "tagged" with additional namespaces indicating their associations and broader categorizations. Currently the following are available:

• ds:facebook:bio

• ds:facebook:post

• ds:facebook:photo

• ds:facebook:feed

• ds:facebook:social

• ds:facebook:update

• ds:facebook:like

• ds:facebook:checkin

• ds:facebook:avatar

• ds:microblog

• ds:bio

• ds:geo

• ds:media

• ds:photo

• ds:unrecognized