response = client.search(
index: 'image-index',
body: {
knn: {
field: 'image-vector',
query_vector: [
1,
5,
-20
],
k: 5,
num_candidates: 50,
similarity: 36,
filter: {
term: {
"file-type": 'png'
}
}
},
fields: [
'title'
],
_source: false
}
)
puts response