URI*
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https://lod.nal.usda.gov/nalt
https://lod.nal.usda.gov/nalt
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Abstract
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The thesaurus is organized into 17 subject categories, indicated by the "Subject Category" designation. The subject categories are used to browse the Thesaurus in a specific discipline or subject area.
The subject scope of agriculture is broadly defined in the thesaurus, and includes terminology in the supporting biological, physical and social sciences. Biological nomenclature comprises a majority of the terms in the thesaurus and is located in the “Taxonomic Classification of Organisms” Subject Category. Political geography is mainly described at the country level.
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Accrual periodicity
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Updated annually by the National Agricultural Library (NAL)
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Alternative name
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NALT Full
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Contact*
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Sujata Suri (sujata.suri@ars.usda.gov) Jennifer Woodward (jennifer.woodward@usda.gov)
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Coverage
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In depth coverage of agriculture, biology and related disciplines
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Object creation date property
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http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
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Submission date
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February 5, 2025
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Deprecated
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false
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Description*
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The NAL Agricultural Thesaurus (NALT) antecedent, the Agricultural-Biological Vocabulary was first published in August 1967 by the the National Agricultural Library for use in indexing and cataloging. In 2002, it was released online as the National Agricultural Library Thesaurus and Glossary, and became known as "NALT". The vocabulary has in-depth coverage of agriculture, biology, and related disciplines. The Spanish language version of NALT was first published in May 2007 under the Spanish language name "Tesauro Agrícola", and was created in cooperation with the Inter-American Institute for Cooperation on Agriculture (IICA), and Latin American agricultural institutions of the Agriculture Information and Documentation Service of the Americas (SIDALC). In 2022 NALT was redesigned as part of the Library's "NALT for the Machine Age" initiative and released as NALT Concept Space, a state-of-the-art multischeme semantic system with added features for expanded usage with tabular data, in addition to traditional text (indexing and cataloging) data. The semantic structure allows for multiple domain specific vocabularies within the NALT Concept Space, and is standardized for data interoperability, enhanced scalability, and machine readability. Inaugural NALT vocabularies included NALT Core, and NALT Full, with more domains to be added each year. "NALT Full", includes all NALT concepts from all NALT vocabularies, and was first published in 2022 when it consisted of 77,093 concepts. NALT Full is NALT's broadest and deepest coverage, for a more granular knowledge base., The NAL Agricultural Thesaurus (NALT) was first released by the National Agricultural Library in 2002, with in-depth coverage of agriculture, and was created in cooperation with the Inter-American Institute for Cooperation on Agriculture (IICA) and other Latin American agricultural institutions belonging to the Agriculture Information and Documentation Service of the Americas (SIDALC). In 2022 NALT was redesigned as part of the Library's "NALT for the Machine Age" initiative, and is a state-of-the-art multischeme concept space with added structural features for enhanced scalability and machine readability. Inaugural schemes included NALT Core, and NALT Full.
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Designed for task (as defined by OMV).
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http://omv.ontoware.org/2005/05/ontology#IndexingTask
http://omv.ontoware.org/2005/05/ontology#IndexingTask
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Documentation
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https://lod.nal.usda.gov/en/
https://lod.nal.usda.gov/en/
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Example of use
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local:NAL Thesaurus is used to select controlled vocabulary terms for subject indexing of AGRICOLA, PubAg and other databases.
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Example of resource
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http://lod.nal.usda.gov/nalt/38813
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Subject
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http://aims.fao.org/aos/agrovoc/c_925, http://aims.fao.org/aos/agrovoc/c_203, http://aims.fao.org/aos/agrovoc/c_2593
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Formality level
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http://w3id.org/nkos/nkostype#thesaurus
http://w3id.org/nkos/nkostype#thesaurus
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Has format
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https://lod.nal.usda.gov/rest/v1/nalt/data?format=text/turtle
https://lod.nal.usda.gov/rest/v1/nalt/data?format=text/turtle
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License
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Representation language*
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SKOS
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Syntax
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http://www.w3.org/ns/formats/RDF_XML
http://www.w3.org/ns/formats/RDF_XML
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Has part (has views)
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Homepage
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https://lod.nal.usda.gov/en/
https://lod.nal.usda.gov/en/
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Indexed or included in catalog or repository
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http://vest.agrisemantics.org/content/national-agricultural-library-thesaurus
http://vest.agrisemantics.org/content/national-agricultural-library-thesaurus
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Has equivalences with
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http://id.loc.gov/authorities/subjects.html
http://id.loc.gov/authorities/subjects.html
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Generic type
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http://omv.ontoware.org/2005/05/ontology#DomainOntology
http://omv.ontoware.org/2005/05/ontology#DomainOntology
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Known usage
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The thesaurus is primarily used for indexing and for improving retrieval of agricultural information. Currently, the thesaurus is the indexing vocabulary for the National Agricultural Library's bibliographic database of citations to agricultural resources, AGRICOLA. The Food Safety Research Information Office (FSRIO) and Agricultural Network Information Center (AgNIC) also use the NALT as the indexing vocabulary for their information systems. In addition, the NALT is used as an aid for locating information at the Agricultural Research Service, Economic Research Service and AgNIC web sites and databases.
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Mailing list
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https://lod.nal.usda.gov/en/feedback
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Masterfilename
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nalt-full_dwn_20240716.rdf
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Modification date
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July 16, 2024
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Object modification date property
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http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
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More permissions
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As a work of the U.S. Government, the NAL Agricultural Thesaurus and Glossary are in the public domain within the United States. Additionally, the U.S. Government waives copyright and related rights in this work worldwide through the CC0 1.0 Universal Public Domain Dedication.
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Natural language
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Notes
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Redesigned for the machine age as part of the Library's "NALT for the Machine Age" initiative, NALT 2024 is a state-of-the-art multischeme concept space with added structural features for enhanced scalability and machine readability.
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Root of obsolete branch
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http://www.geneontology.org/formats/oboInOwl#ObsoleteClass
http://www.geneontology.org/formats/oboInOwl#ObsoleteClass
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Preferred namespace prefix
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nalt
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Preferred namespace URI
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https://lod.nal.usda.gov/nalt/
https://lod.nal.usda.gov/nalt/
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Publisher
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https://lod.nal.usda.gov/nalt/143005 NAL |
Access URL
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https://lod.nal.usda.gov/rest/v1/nalt/data?format=application/rdf%2Bxml
https://lod.nal.usda.gov/rest/v1/nalt/data?format=application/rdf%2Bxml
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Creation date*
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January 31, 2022
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Status*
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production
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URI Lookup Endpoint
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http://agroportal.lirmm.fr/search?ontologies=NALT&require_exact_match=true&q=
search?ontologies=NALT&require_exact_match=true&q=
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Identifier pattern
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https://lod.nal.usda.gov/nalt/
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Created with
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other
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Version information
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V-2024-07
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