Top "Semantic-web" questions

Representation of database record subjects (a/k/a keys, IDs, entities), predicates (a/k/a columns, attributes), and objects (a/k/a values) as triples, where the first two are always URIs, and the third is either a URI or a literal; enabling humans and machines to more easily share, merge, and evaluate data from heterogeneous origins.

Examples of using semantic web technologies in real world applications

Are you working on a (probably commercial) product which uses RDF/OWL/SPARQL technologies? If so, can you please describe …

rdf semantic-web
Reading a Turtle/N3 RDF File with Python

I'm trying to encode some botanical data in Turtle format, and read this data from Python using RDFLib. However, I'm …

python debugging semantic-web rdflib turtle-rdf
The difference between blank nodes and variables in SPARQL queries

I've studied SPARQL specification on the topic and also found this answer rather interesting. However definitions are complicated enough, so …

sparql rdf semantic-web blank-nodes
How to concatenate a list of values in sparql?

Suppose I have a uri http://dbpedia.org/page/Manmohan_Singh now he has a list of years in his …

rdf sparql semantic-web dbpedia