More Like This - Results Is Empty

Why _mlt results is empty? Even with data in index.

GET /megacorp/deas/1/_mlt?mlt_fields=name&min_doc_freq=1

{
"took": 3,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 0,
"max_score": null,
"hits": []
}
}

Type Mapping:

{
"megacorp": {
"mappings": {
"deas": {
"properties": {
"fields": {
"type": "string"
},
"ids": {
"type": "string"
},
"max_query_terms": {
"type": "long"
},
"min_term_freq": {
"type": "long"
},
"more_like_this": {
"properties": {
"docs": {
"properties": {
"_id": {
"type": "string"
},
"_index": {
"type": "string"
},
"_type": {
"type": "string"
}
}
},
"fields": {
"type": "string"
},
"ids": {
"type": "long"
},
"max_query_terms": {
"type": "long"
},
"min_term_freq": {
"type": "long"
}
}
},
"name": {
"type": "string",
"store": true
}
}
}
}
}
}

Hello ,

We need more data to debug this.
Can you paste the reference document you are performing MLT.

Also i feel if you set min_term_freq as 1 along with min_doc_freq=1 , it
should work.

Thanks
Vineeth

On Tue, Sep 9, 2014 at 7:39 PM, phenrigomes phenrigomes@gmail.com wrote:

Why _mlt results is empty? Even with data in index.

GET /megacorp/deas/1/_mlt?mlt_fields=name&min_doc_freq=1

{
"took": 3,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 0,
"max_score": null,
"hits": []
}
}

Type Mapping:

{
"megacorp": {
"mappings": {
"deas": {
"properties": {
"fields": {
"type": "string"
},
"ids": {
"type": "string"
},
"max_query_terms": {
"type": "long"
},
"min_term_freq": {
"type": "long"
},
"more_like_this": {
"properties": {
"docs": {
"properties": {
"_id": {
"type": "string"
},
"_index": {
"type": "string"
},
"_type": {
"type": "string"
}
}
},
"fields": {
"type": "string"
},
"ids": {
"type": "long"
},
"max_query_terms": {
"type": "long"
},
"min_term_freq": {
"type": "long"
}
}
},
"name": {
"type": "string",
"store": true
}
}
}
}
}
}

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I am making an application for product comparison, but "more like this" query not is adequate. Fuzzy query is adequate to bind to products the same vendor?