.. index:: single: language_detection_scoring
.. _language_detection_scoring/0:

.. rst-class:: right

**category**

``language_detection_scoring``
==============================

Shared portable language detection scoring predicates.

| **Availability:** 
|    ``logtalk_load(language_detection(loader))``

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-09-06

| **Compilation flags:**
|    ``static``


| **Dependencies:**
|   (none)


| **Remarks:**
|    (none)

| **Inherited public predicates:**
|    (none)

.. contents::
   :local:
   :backlinks: top

Public predicates
-----------------

(none)

Protected predicates
--------------------

.. index:: cosine_similarity/3
.. _language_detection_scoring/0::cosine_similarity/3:

``cosine_similarity/3``
^^^^^^^^^^^^^^^^^^^^^^^

Computes cosine similarity between two lexically sorted sparse count vectors.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``cosine_similarity(Counts1,Counts2,Similarity)``
| **Mode and number of proofs:**
|    ``cosine_similarity(+list(pair(atom,positive_integer)),+list(pair(atom,positive_integer)),-float)`` - ``one``


------------

.. index:: normalize_scores/2
.. _language_detection_scoring/0::normalize_scores/2:

``normalize_scores/2``
^^^^^^^^^^^^^^^^^^^^^^

Normalizes non-negative scores to sum to one or returns an empty list when their total is zero.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``normalize_scores(RawScores,Scores)``
| **Mode and number of proofs:**
|    ``normalize_scores(+list(pair(atom,number)),-list(pair(atom,float)))`` - ``one``


------------

Private predicates
------------------

(none)

Operators
---------

(none)