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#RDF-data
Equality And Inequality In Sparql | Yarcdata
SPARQL operator mapping and type errors
This behavior is due to something in the SPARQL specification which most everyday SPARQL users likely never worry about – the Operator Mapping [1]. What is happening is that the SPARQL engine is selecting different implementations of the operators to use based on the arguments…
The Semantic Web: An Introduction
Why RDF rather than XML
The answer to "why use RDF rather than XML?" is quite simple, and is twofold. Firstly, the benefit that one gets from drafting a language in RDF is that the information maps directly and unambiguously to a model, a model which is decentralized, and for which there are many…
Two Misconceptions About The Semantic Web
One ontology to rule them all
To my knowledge, nobody has ever claimed that there should be “one ontology to rule them all.” Instead, what is regularly promoted is ontology reuse and/or integration. For example, the FOAF ontology is widely used in the semantic web to describe persons; why create your own…
Triples all the way down
RDF is meant to solve the problem of meaningfully publishing data (not just documents) on the World Wide Web. Beyond that, do what you want. More specifically, when you crawl and/or aggregate data from the World Wide Web, you don’t have to keep the RDF data as triples in your…