NewsfieJsonSchema.js

// LDA Model
{ 
    "kind": "lda",
    "signature": "H9fdnifsd89" // A unique identifier for a given lda model.  Could be a hash of num topics  ++ input data
    "tokenCache": ["word","in","cache"] // A token id is its index in the list.  This might make more sense as a record.
    "topics": { 1 : {1:431,2:32} // a where key == token id, and value == word count.  Though it might make sense to normalize them before storing the lda.
            , 2 : {1:32,2:0} 
            , "emailBackgroundNoise" : {1:32,2:0}
            , "twitterBackgroundNoise" : {1:32,2:0}
            },
}

// Topic Model
{
    lda: "H9fdnifsd89", //signature from the lda model
    topics: { 1 : 1.0 // Topic id ++ weight
            , 2 : 0.05 // Background topics don't need to be present
            } 
}