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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