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.. index:: single: language_detector_protocol .. _language_detector_protocol/0:
.. rst-class:: right
protocol
language_detector_protocol
Language detection protocol.
| Availability:
| logtalk_load(language_detection(loader))
| Author: Paulo Moura | Version: 1:0:0 | Date: 2026-09-08
| Compilation flags:
| static
| Dependencies: | (none)
| Remarks: | (none)
| Inherited public predicates: | (none)
.. contents:: :local: :backlinks: top
Public predicates
.. index:: detect/2 .. _language_detector_protocol/0::detect/2:
detect/2 ^^^^^^^^^^^^
Detects the most likely language and returns its ISO 639-1 code.
| Compilation flags:
| static
| Template:
| detect(Text,Language)
| Mode and number of proofs:
| detect(+text,-atom) - zero_or_one_or_error
| Exceptions:
| The Representation parameter is a variable:
| instantiation_error
| The Representation parameter neither a variable nor atom, chars, or codes:
| domain_error(text_representation,Representation)
| The Strategy parameter is a variable:
| instantiation_error
| The Strategy parameter neither a variable nor an object identifier:
| type_error(object_identifier,Strategy)
| The Strategy parameter is an object identifier but not an object conforming to language_detection_strategy_protocol:
| domain_error(language_detection_strategy_protocol,Strategy)
.. index:: detect/3 .. _language_detector_protocol/0::detect/3:
detect/3 ^^^^^^^^^^^^
Detects the most likely language and returns its ISO 639-1 code and relative detection score.
| Compilation flags:
| static
| Template:
| detect(Text,Language,Score)
| Mode and number of proofs:
| detect(+text,-atom,-float) - zero_or_one_or_error
| Exceptions:
| The Representation parameter is a variable:
| instantiation_error
| The Representation parameter neither a variable nor atom, chars, or codes:
| domain_error(text_representation,Representation)
| The Strategy parameter is a variable:
| instantiation_error
| The Strategy parameter neither a variable nor an object identifier:
| type_error(object_identifier,Strategy)
| The Strategy parameter is an object identifier but not an object conforming to language_detection_strategy_protocol:
| domain_error(language_detection_strategy_protocol,Strategy)
.. index:: detect/4 .. _language_detector_protocol/0::detect/4:
detect/4 ^^^^^^^^^^^^
Detects the most likely language using the given options and returns its ISO 639-1 code and relative detection score.
| Compilation flags:
| static
| Template:
| detect(Text,Language,Score,Options)
| Mode and number of proofs:
| detect(+text,-atom,-float,+list(compound)) - zero_or_one_or_error
| Exceptions:
| The Representation parameter is a variable:
| instantiation_error
| The Representation parameter neither a variable nor atom, chars, or codes:
| domain_error(text_representation,Representation)
| The Strategy parameter is a variable:
| instantiation_error
| The Strategy parameter neither a variable nor an object identifier:
| type_error(object_identifier,Strategy)
| The Strategy parameter is an object identifier but not an object conforming to language_detection_strategy_protocol:
| domain_error(language_detection_strategy_protocol,Strategy)
| Options is a variable:
| instantiation_error
| Options is neither a variable nor a list:
| type_error(list,Options)
| An element Option of the list Options is a variable:
| instantiation_error
| An element Option of the list Options is neither a variable nor a compound term:
| type_error(compound,Option)
| An element Option of the list Options is a compound term but not a valid option:
| domain_error(option,Option)
.. index:: detect_all/2 .. _language_detector_protocol/0::detect_all/2:
detect_all/2 ^^^^^^^^^^^^^^^^
Returns candidate languages ranked by descending relative detection score or an empty list when there is insufficient evidence.
| Compilation flags:
| static
| Template:
| detect_all(Text,ScoredLanguages)
| Mode and number of proofs:
| detect_all(+text,-list(pair(atom,float))) - one_or_error
| Exceptions:
| The Representation parameter is a variable:
| instantiation_error
| The Representation parameter neither a variable nor atom, chars, or codes:
| domain_error(text_representation,Representation)
| The Strategy parameter is a variable:
| instantiation_error
| The Strategy parameter neither a variable nor an object identifier:
| type_error(object_identifier,Strategy)
| The Strategy parameter is an object identifier but not an object conforming to language_detection_strategy_protocol:
| domain_error(language_detection_strategy_protocol,Strategy)
.. index:: detect_all/3 .. _language_detector_protocol/0::detect_all/3:
detect_all/3 ^^^^^^^^^^^^^^^^
Returns candidate languages ranked by descending relative detection score using the given options or an empty list when there is insufficient evidence.
| Compilation flags:
| static
| Template:
| detect_all(Text,ScoredLanguages,Options)
| Mode and number of proofs:
| detect_all(+text,-list(pair(atom,float)),+list(compound)) - one_or_error
| Exceptions:
| The Representation parameter is a variable:
| instantiation_error
| The Representation parameter neither a variable nor atom, chars, or codes:
| domain_error(text_representation,Representation)
| The Strategy parameter is a variable:
| instantiation_error
| The Strategy parameter neither a variable nor an object identifier:
| type_error(object_identifier,Strategy)
| The Strategy parameter is an object identifier but not an object conforming to language_detection_strategy_protocol:
| domain_error(language_detection_strategy_protocol,Strategy)
| Options is a variable:
| instantiation_error
| Options is neither a variable nor a list:
| type_error(list,Options)
| An element Option of the list Options is a variable:
| instantiation_error
| An element Option of the list Options is neither a variable nor a compound term:
| type_error(compound,Option)
| An element Option of the list Options is a compound term but not a valid option:
| domain_error(option,Option)
Protected predicates
(none)
Private predicates
(none)
Operators
(none)
.. seealso::
:ref:`language_detection_strategy_protocol <language_detection_strategy_protocol/0>`