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SELECT ?title WHERE { ?? (rdfs:label|skos:prefLabel|schema:name) ?title . } Fine-Structure Constant

SELECT ?class WHERE { ?? (rdf:type|owl:type) ?class . } Physical Constant

SELECT ?description WHERE { ?? (rdfs:comment|schema:description) ?description . }

SELECT ?property ?value WHERE { BIND (?? AS ?s) ?s ?property ?value . FILTER (isLiteral(?value)) } LIMIT 1000

Attributes

Label
Fine-Structure Constant
description
The $\textit{Fine-structure Constant}$ is a fundamental physical constant, namely the coupling constant characterizing the strength of the electromagnetic interaction.
informative reference
http://physics.nist.gov/cuu/Constants/bibliography.html
informative reference
http://en.wikipedia.org/wiki/Fine-structure_constant
dbpedia match
http://dbpedia.org/resource/Fine-structure_constant
latex symbol
$a$
latex definition
$a = \frac{e^2}{4\pi\varepsilon_0\hbar c_0}$, where $e$ is the elementary charge, $\varepsilon_0$ is the electric constant, item $\hbar$ is the reduced Planck constant, and $c_0$ is the speed of light in vacuum.
normative reference (ISO)
http://www.iso.org/iso/catalogue_detail?csnumber=31895
normative reference
http://www.iso.org/iso/catalogue_detail?csnumber=31895
SELECT ?property ?object WHERE { BIND (?? AS ?s) ?s ?property ?object . FILTER (isIRI(?object)) FILTER (?property != rdf:type) FILTER (?property != rdfs:subClassOf) } LIMIT 1000

Outgoing Relationships

property object
isDefinedBy QUDT VOCAB Physical Constants Release 3.1.9
has quantity kind Dimensionless Ratio
applicable unit Unitless
quantity value Value for fine-structure constant
SELECT ?property ?subject WHERE { BIND (?? AS ?o) ?subject ?property ?o . FILTER (?property != rdf:type) FILTER (?property != rdfs:subClassOf) } LIMIT 1000
Incoming Relationships: No results found.
SELECT ?instance ?description WHERE { BIND (?? AS ?class) ?instance (rdf:type|owl:type) ?class . OPTIONAL { ?instance schema:description ?description . } } LIMIT 5000
Instances of this Class: No results found.
SELECT ?superclass ?description WHERE { ?? rdfs:subClassOf ?superclass . OPTIONAL { ?superclass (rdfs:comment|schema:description) ?description . } } LIMIT 5000
Superclasses of this Class: No results found.
SELECT ?subclass ?description WHERE { ?subclass rdfs:subClassOf ?? . OPTIONAL { ?subclass (rdfs:comment|schema:description) ?description . } } LIMIT 5000
Subclasses of this Class: No results found.