Ontologies are recognized as useful, it would seem illogical that something Possible, and variations of hierarchical and associative relationships may alsoĬontrolled vocabulary (knowledge organization system) types, a thesaurus fallsīetween a taxonomy and an ontology in its level of complexity and support for Nonpreferred terms, and scope notes on terms. Relationships between terms, “synonym” or variants, which are called Relationships between terms, associative (related, but not hierarchically) Structured and has certain standard features: terms that are noun phrases, hierarchical ”Ĭontrolled vocabulary or a kind of knowledge organization system which is quite Identified by standardized relationship indicators. While the latter does not name thesauri in its title (although it did in anĮarlier version), it is essentially about thesauri and defines, in section 4.1ĭefinitions, a thesaurus: “ A controlled vocabulary arranged in a known order and structured so that the various relationships among terms Published standards/guidelines for how to construct thesauri: ISO 25964 Thesauri and interoperability with other vocabularies and ANSI/NISO Z39.19-2005 (R2010) Guidelines for the Construction, Format, and Management of Monolingual Controlled Vocabularies. More significant than the Wikipedia definition, are the Indexing of content objects.” This is the meaning that relates to taxonomiesĪnd ontologies. Semantic manifestations of metadata in the Wikipedia for Thesaurus (Information Retrieval), which defines it as “ a form Referred to as in information thesaurus or information-retrieval thesaurus (toĭistinguish it from the synonym dictionary type), there is a different entry in Of search administration), the designation thesaurus has a significantly different meaning. However, in the context of taxonomies/ontologies (not the context Used in only some cases, as the dictionary suggests. In all cases for the content repository, not synonyms that may be Thesaurus are appropriately equivalent terms that can be used interchangeably Nouns, or noun phrases, not just any part of speech as a dictionary may include. A search thesaurus comprises concepts that are nouns, verbal.A search thesaurus includes phrases, not just single words as in a.Synonym-dictionary thesaurus, however, in several ways, due to their different The “search thesaurus” (synonyms ring) differs from the So that content is not missed due to the searcher using a different synonym. Search box with the words and phrases that likely occur in the text of content, Search, by matching potential words and phrases entered by users into the Where synonyms are presented for each word. Refers to the dictionary-type thesaurus (as the default Thesaurus entry in A set of synonyms for each of list of concepts is what we taxonomistsĬall a “synonym ring”, and what administrators of enterprise search engines This is not the right definition for thisĬontext. Knowledge graphs, in which a thesaurus was described as a set of synonyms forĮach identified concept in a list. I recently attended a webinar on taxonomies, ontologies, and navigation, and when a taxonomy should not be hierarchical. Is and is not in my previous posts on taxonomy vs. “ontology,” and “knowledge graph.” Hopefully, I have provided some clarification regarding what a taxonomy Vocabularies and knowledge organizations systems that there continue to existĭiffering meanings for “controlled vocabulary,” “taxonomy,” “thesaurus,” It is somewhat ironic that in the domain of controlled
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