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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 (max 256 chars)

"type" : string, //-- namespace of item, defaulting to "dataware:update" (max 256 chars)

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

"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 (1024 chars) textual summary of the update

"crud" : 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 (stored as text)

#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:

##Facebook

• 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

##General

• ds:microblog
• ds:bio
• ds:geo
• ds:media
• ds:photo
• ds:unrecognized