RDF Schema (RDFS)

RDF Schema (RDFS) inaofikia RDF.

RDF Schema na kilele za programu

RDF inaonyesha mafanikio kwa kuzingatia kilele, matumizi ya kifaa na thamani.

Inafaa kwamba RDF ikijua jinsi ya kufikiria kilele na matumizi ya kifaa ya programu. Kilele na matumizi ya kifaa ya programu lazima iweze kufikirishwa kwa mifano ya RDF.

RDF Schema ni moja ya ufikia hii.

RDF Schema (RDFS)

RDF Schema haukutolea kilele na matumizi ya kifaa kwa programu, bali inatolea mkono wa kufikiria kilele na matumizi ya kifaa kwa programu.

Kilicho cha RDF Schema kinakua kama kinaonekana cha kilele cha programu ya kilele cha kifaa kinavyofanana sana na kilele cha programu ya kilele cha kifaa. Hii inasababisha kwamba mafanikio inaweza kubadilishwa kama mifano ya kilele na kama mababu wa kilele.

Mifano wa RDFS

Mifano hii inaonyesha kipendeza uwanja walioonekana wa RDFS:

<?xml version="1.0"?>
<rdf:RDF
xmlns:rdf= "http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xml:base=  "http://www.animals.fake/animals#">
<rdf:Description rdf:ID="animal">
  <rdf:type 
   rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
</rdf:Description>
<rdf:Description rdf:ID="horse">
  <rdf:type
   rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
  <rdfs:subClassOf rdf:resource="#animal"/>
</rdf:Description>
</rdf:RDF>

Kwenye mifano yaliyotumiwa, maresimbo "horse" inaonekana kama mchezo wa kikundi "animal".

Mifano ya kufikia

Kwa sababu RDFS Class inaonekana kama maresimbo wa RDF, tunaweza kutumia rdfs:Class kufikia rdf:Description, na kumfikia rdf:type, kufikia mifano yaliyotumiwa:

<?xml version="1.0"?>
<rdf:RDF 
xmlns:rdf= "http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xml:base=  "http://www.animals.fake/animals#">
<rdfs:Class rdf:ID="animal" />
<rdfs:Class rdf:ID="horse">
  <rdfs:subClassOf rdf:resource="#animal"/>
</rdfs:Class>
</rdf:RDF>

Ni kama hii!