Need help setting up autocomplete suggestions using phrase suggester

After days of reading ... i'm still confused and need some help setting up
an autocomplete function.

My intention is to provide search suggestions (as-you-type) to a twitter
typeahead search box. So this means i don't want to return actual documents
but ranked suggestion instead. The three suggesters seem to target exactly
that so i thought to try the phrase suggester.

{
"accoms_unittest" : {
"settings" : {
"index" : {
"uuid" : "t6hW60RoSmyS7sf8_GBrwg",
"analysis" : {
"filter" : {
"filter_shingle" : {
"type" : "shingle",
"min_shingle_size" : "1",
"max_shingle_size" : "4",
"output_unigrams" : "true"
}
},
"analyzer" : {
"shingle_analyzer" : {
"type" : "custom",
"filter" : [ "standard", "lowercase", "filter_shingle" ],
"tokenizer" : "standard"
}
}
},
"number_of_replicas" : "1",
"number_of_shards" : "5",
"version" : {
"created" : "1000299"
}
}
}
}
}

{
"accoms_unittest" : {
"mappings" : {
"modelresult" : {
"_boost" : {
"name" : "boost",
"null_value" : 1.0
},
"properties" : {

<...>
"text_nl" : {
"type" : "string",
"store" : true,
"term_vector" : "with_positions_offsets",
"analyzer" : "snowball"
},
"text_suggest_nl" : {
"type" : "string",
"store" : true,
"term_vector" : "with_positions_offsets",
"analyzer" : "shingle_analyzer"
},
}
}
}
}
}

GET accoms_unittest/_search
{
"query": {
"match_all": {}
},
"suggest": {
"text": "levendige kleu",
"simple_phrase" : {
"phrase": {
"field": "text_suggest_nl",
"size": 5,
"analyzer": "standard",
"real_word_error_likelihood": 0.95,
"max_errors": 1,
"gram_size": 4,
"direct_generator" : [ {
"field" : "text_nl",
"suggest_mode" : "always",
"min_word_len" : 1
} ]
}

}

},
"from": 0,
"size": 0
}

{
"took": 8,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 12,
"max_score": 0,
"hits": []
},
"suggest": {
"simple_phrase": [
{
"text": "levendige kleu",
"offset": 0,
"length": 14,
"options": []
}
]
}
}

I know one of the objects has following input text: "De levendige kleuren en de etc...", so i run following search experiments:

"text": "levendige kleure" yields a suggestion "levendige kleuren" with score: 2854.164

"text": "levendig kleure" yields no results?

"text": "levendi" also yields no suggestions?

Obviously when a user starts typing i would like to see a suggestion like "levendige" based on input search text "lev".

What am i missing here?

  • is this the way to go?

Paul Bormans

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I just wanted to let anyone know i didn't succeed with the phrase suggester
and i switched to the completion suggester, that actually works very well
to my purpose.
Paul

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Yeah, sorry for not getting back to you earlier. The phrase and term
suggesters are more for providing "did you mean:" style spelling
corrections then typeahead. The completion suggester is for typeahead.

On Fri, Jun 6, 2014 at 5:05 PM, Paul Bormans peebor@gmail.com wrote:

I just wanted to let anyone know i didn't succeed with the phrase
suggester and i switched to the completion suggester, that actually works
very well to my purpose.
Paul

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