corona.ltr — corona 0.1.16

build-solr-ltr-nn-model clj

(build-solr-ltr-nn-model store-name model-name built-features layers mins maxs)

Builds ready-to-json structure for solr NeuralNetworkModel. Returns map.

delete-feature-store! clj

(delete-feature-store! client-config & [store-name])

Deletes all features in store 'store-name' (or DEFAULT) executing HTTP DELETE request to feature-store-url built from client-config Returns json-decoded body of response.

delete-model! clj

(delete-model! client-config model-name)

Deletes EXISTING ltr model with name 'model-name' from solr executing HTTP DELETE request to 'sorl-core-url' or http://localhost:8983/solr/tmdb WARN: solr can hang on attempt on deleting nonexistent model. Returns json-decoded body of response.

do-to-last-n clj

(do-to-last-n entries n f)

Maps 'entries' with identity while index < 'n' and starting from n maps with 'f', which takes following args: index - index of entry assuming 0 is n at original 'entries' collection entry - entry to map. Returns mapped collection.

extract-features clj

(extract-features client-config {:keys [q rows sort fl store]})

Extracts features from feature store and returns vector of maps with keys: :<document index key> (e.g. :id) :features - vector of features values for given document

gen-coll-features clj

(gen-coll-features records field store-name & [params])

Builds multivalued field features, one per distinct field value across all records eg. for field 'genres': 'hasGenresAction', 'hasGenresDrama', etc.

gen-external-value-feature clj

(gen-external-value-feature value-k required? store-name & [params])

Builds feature description for simple externally supplied value with key 'value-k'. 'required?' - (true/false) if value will'be required with ltr query; 'store-name' - string name of store to specify for features.

gen-field-feature clj

(gen-field-feature field store-name & [params])

Builds feature description for simple records 'field' 'store-name' - string name of store to specify for features.

make-feature-store-url clj

(make-feature-store-url client-config & [uri])

make-model-store-base-url clj

(make-model-store-base-url client-config & [model-name])

prepare-features-for-nn clj

(prepare-features-for-nn store-name built-features mins maxs)

read-distinct-coll clj

(read-distinct-coll records field)

Returns all distinct values across records under a given multiValued field.

upload-features! clj

(upload-features! client-config features)

Uploads vector of feature descriptions 'features' to solr. executing HTTP PUT request to feature-store-url built from client-config WARN: clears store before uploading. Returns json-decoded body of response.

upload-model! clj

(upload-model! client-config model)

Uploads 'model' as ltr model to solr, json-encoding it previously, executing HTTP PUT request to 'sorl-core-url' Returns json-decoded body of response. NOTE: only supported with :http config type.

url-encode clj

(url-encode string-to-encode)