On Thu, Dec 4, 2014 at 7:27 AM, DH <ciddp...@gmail.com> wrote:
Hi, everyone,
>
> I'm trying to figure put some discrepencies (I think) in the results of my
> suggesters, with ES V0.90.5.
>
> My indices are big and can contain a wide array of language.
> when I do this (NB : tomate is the french for tomato)
> ;
>
> {
> "query": {
> "match_all": {}
> },
> "suggest": {
> "my_suggester": {
> "text": "tomate",
> "term": {
> "field": "my_field"
> }
> }
> }
> }
>
> Es doesn't suggest "tomato". And the terms it suggest are rather
> low-scoring (it even suggests "tote", with a measly 0.5 score)
>
> however, if I do this :
>
> {
> "query": {
> "match_all": {}
> },
> "suggest": {
> "my_suggester": {
> "text": "tomato",
> "term": {
> "field": "my_field"
> }
> }
> }
> }
>
> Es suggests "tomate", along with a buch of lower scoring terms.
>
> As far as I undestand, tomate is as close to tomato as tomato is close to
> tomate, and thus ES should suggest tomato when I'm asking for tomate.
> I'm positive that the two terms are present in the indices; and brought
> back by my request, so that would not be the issue.
>
> So, I wonder ..
> Is there something I did not understand regarding suggesters?
> Is that behaviour normal?
> Is it due to the older version of ES I'm still using?
>
> If anyone using suggesters would help me make sense of this, that'd be
> helpful.
> Thanks
>
Try setting these:
"suggest_mode": "always",
"size": 100000,
"max_term_freq": 0.65
and then backing off from there. Your suggestion should come back with all
the settings and you'll learn more about what is going on.
Depending on how the documents are sharded you can see changes in
behavior. Its more likely when you have fewer documents.
Nik
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