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I've been trying to write SWRL rules that automate creation of new entities and their assignment to...
Given two classes Container and Element, I would like to define a property contains to describe the...
I have SQL Server database and I want to convert it in OWL file format. I want it in the Functional...
I'm trying to import an Excel Spreadsheet into Owl, Protege 5.2.0. I already plugged in Cellfie,...
I want to make inferences such as the property represented by the grey-dotted line in this...
I want to be able to infer which ingredients go well together given...their properties and which...
Suppose I have :hasParent rdfs:subPropertyOf :hasAncestor . :hasAncestor rdf:type...
I am creating an ontology based on a relational database. Some classes in my ontology are...
I'm trying to insert new classes by using Sparql in TopBraid Composer (ME 5.5.2). My simple...
I am modeling an ontology that should be used to represent knowledge about restaurants, their...
This question is an exact duplicate of: How to create multiple...
My objective is to compare an ontology to a provided XML document by searching nodes from the...
I am a newbie to semantic web, can anyone explain what does nxparser do and what does rdf and owl...
I've got a project to my studies about owl. I need to extract datas from excel file and need to...
I have an exception with the following code public calculWeightdoc(OWLOntology onto, String...
I have an ontology in OWL or RDF/XML format, say Dublin Core Terms, for example, but online and not...
Manchester only allows to say something like: p some a and p only b But I want to say...
I understand owl doesn't have generic e.g. parametric classes: POTUS(startyear,endyear). What is...
I am new to Openlink Virtuoso. And I want to do some inference rules based on if-then statements,...
How might you define a subclass of an RDF List (yes, it needs to be an RDF List) such that it...
I'm trying to find a way to calculate the duration of an interval when given two xsd:dateTime...
I would be grateful if someone could explain the following behaviour to me. Assume the following...
i've found a web page that explain different between...
This question already has an answer here: Protege exactly 1...
I've been trying to set up a query printer a lot like...
I want to get the Job ID passed as parameter and check the id with the id in the owl file and then,...
When running a SWRL rule I get in swrlapi Invalid SWRL atom predicate 'Person'. Most help suggests...
I'm getting this error: Exception in thread "main" java.lang.AbstractMethodError at...
My objective to create an ontology and get all the input values from the code to the owl file as...
I want to add custom operators for temporal representation kind of like how this paper describes on...