In
data science
Data science is an interdisciplinary academic field that uses statistics, scientific computing, scientific methods, processing, scientific visualization, algorithms and systems to extract or extrapolate knowledge from potentially noisy, stru ...
, sameAs or exactMatch is a method of indicating that the subject of, or entity represented by, two resources is considered to be one and the same thing. It is a key part of the
Semantic Web
The Semantic Web, sometimes known as Web 3.0, is an extension of the World Wide Web through standards set by the World Wide Web Consortium (W3C). The goal of the Semantic Web is to make Internet data machine-readable.
To enable the encoding o ...
.
Uses
The concept of sameAs exists in a number of different schemas and systems:
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JSON-LD
JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding linked data using JSON. One goal for JSON-LD was to require as little effort as possible from developers to transform their existing JSON to JSON-LD. JSON-LD allows data ...
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OWL -
owl:sameAs
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schema.org
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SKOS
Simple Knowledge Organization System (SKOS) is a W3C recommendation designed for representation of thesauri, classification schemes, taxonomies, subject-heading systems, or any other type of structured controlled vocabulary. SKOS is part of t ...
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skos:exactMatch
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Wikidata
Wikidata is a collaboratively edited multilingual knowledge graph hosted by the Wikimedia Foundation. It is a common source of open data that Wikimedia projects such as Wikipedia, and anyone else, are able to use under the CC0 public domain ...
- Property:P2888 "exact match", with the alias "sameas"
The
owl:sameAs predicate has been described as "an essential ingredient of the Semantic Web architecture".
What is Phrase Match?
Phrase Match: With this match type, you're capturing moderately specific search term phrases that closely relate to your targeted keyword. It provides a bit more flexibility by including variations and additional terms within the search query. This match type covers search terms that include your targeted keyword phrase, along with other words before or after it.
When a shopper searches for a keyword phrase containing your targeted phrase and other terms, your ad may appear.
For example, if your keyword is "
Protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metab ...
Powder," your ad could pop up for search queries like "Chocolate flavoured Protein Powder" or "Protein powder for weight loss."
References
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External links
sameAs.ccsameas.org* `owl:sameAs` specification: https://www.w3.org/TR/owl-ref/#sameAs-def
Semantic Web