Questions tagged [semantic-web]
The semantic-web tag has no usage guidance.
13 questions
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Can a literal in RDF be called an "entity"?
Can a literal in RDF be seen as an "entity"? Coming from a background in Domain-Driven Design and Entity-Relationship Model this feels a bit weird.
According to https://www.w3.org/TR/rdf11-...
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Industry of a company in Schema.org
I would like to specify industry of companies (e.g., Financial, Tech, Telecom, etc.). In Schema.org, industry is only specified on Job posting. Could you let me know what schema.org type to use as the ...
- 13
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Linking data and making it available as linked data
I know some websites with photographs that have missing metadata. For example it could be missing location, missing event (WW1, WW2, …).
If I have a source URL: http://example.org/imgwithoutlocation....
- 113
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Does it make sense to restrict the meaning of an external entity for our purposes?
We create a standard for a data exchange format in form of an RDF graph. We would like to re-use existing class entities of external ontologies that fit our needs – except that they are too general ...
- 113
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Meta collection or database of structured vocabularies
A short question; does a meta aggregation or collection of ontologies and structured vocabularies which exist out there, each single ones being ready to be used as linked data? (ideally with links to ...
- 161
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How to know which are required and recommended linked data properties to use from schema.org
On this page, https://developers.google.com/search/docs/guides/sd-policies#completeness we can read:
Specify all required properties for your rich result type. Items that
are missing required ...
- 161
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DOID , SYMP Ontology Sparql Queries
I need to extract the list of diseases, categories, bodyparts and symptoms.
I've found several ontologies for that datasets.
Disease ontology, symptom ontology, Bioportal and Wikipedia. But I don't ...
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4
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designing a vocabulary / ontology where classes have fixed constraints
Let's say that I have a class called "Event". Inside of this class there is a property called chanceOfSuccess which has the type QuantitativeValue. QuantitativeValue is a class that has min, max, and ...
- 201
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RDF schemas, ontologies for software libraries?
Are there RDF schemas, ontologies for software libraries? Let's say I'm a Lisp programmer familiar with quicklisp. Or I'm a C programmer using numerical packages. Or a MS programmer using DLLs. Has ...
- 161
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SPARQL - Filter wikidata identifiers
Query below gives me all programming languages entities, with their statements.
Problem is that I don't need identifiers now, but these IDs might become necessary. I was just gonna model database ...
- 121
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Ontology for QoS, i.e. download/upload speed, throughput
There are lots of papers, but don't publish their actual ontology, only give you figures/graphs (i.e. QoSOnt, OWL-QoS).
Is there a properly hosted ontology with an actual owl file and namespace ...
- 111
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Why is the Open World assumption so central to the semantic web?
The semantics of RDF is known to be based on the open world assumption. What does that mean? How does that show up in the RDF Semantics? And why does it help in data integration?
- 181
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(How) Was SPARQL influenced by erotetics?
Erotetics is the logic of questions and answers. The field has been developed over the last hundred years and is nicely summarized by (Wisniewski 2015).
How, if at all, was SPARQL, the RDF query ...
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