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Questions tagged [topbraid-composer]

Topbraid Composer is a semantic web modeling tool for RDF/OWL graphs and SPARQL queries.

TopBraid Composer is a semantic web modeling tool for RDF/OWL graphs and SPARQL queries.

Editions:

In order to get TopBraid Composer Free Edition, select "Free Edition" in the "Product" drop-down list on the "Installation" page.

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A SPARQL Query to get my pizza's name

I am just a beginner in SPARQL and can write some basic queries. I have a pizza ontology in which there is one pizza whose properties are as follows: rdf:subClassOf NamedPizza hasTopping only (MozzarellaTopping or…
user2100639
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SHACL validation using dash:reifiableBy

I am testing validation of RDF data using SHACL in TopBraidComposer Maestro Edition (v 6.3.2). During my analysis of SHACL, I came across the document DASH Reification Support for SHACL. Chapter 2 of that document defines the property…
jechterhoff
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HTTP Request using Mozilla Rhino

I would like to write a JavaScript code processed with Mozilla Rhino that can do a simple HTTP GET request, which fetches a text string from a URL. The problem is that, I couldn't find any support in Rhino to do any kind of HTTP requests. Besides, I…
Ahmed Emad
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How to see yago2s ontology like dbpedia owl?

Hello I'm totally newbie in ontology. I downloaded dbpedia ontology .owl file and open it using topbraid composer. Topbraid composer shows dbpedia class( owl:Thing -> Activity, Agent, .. etc). Each class also has its own instances. However, yago2s…
user3863894
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Multiple paths and existential quantification in SHACL rules (should I use sh:oneOrMorePath perhaps?)

I would like to understand how to handle multiple paths and existential quantification in SHACL rules. Let me exemplify my problem with a sample ontology. The ontology includes the classes "Approve", "Legal", "Result", "Man", and "Machine", all…
Livio Robaldo
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The "Run Inference" doesn't work in Maestro edition

I downloaded the maestro edition and was following the starter guide with the Person ontology tutorial. It has been good until i tried the inference example. I clicked "Inference->Run Inferences", in the 'inferences' views, it's empty. nothing…
user697911
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How to Sparql INSERT in TopBraid Composer?

I'm trying to insert new classes by using Sparql in TopBraid Composer (ME 5.5.2). My simple ontology looks like this: Then I wrote a Sparql query to insert Berry as a subclass of Fruit: PREFIX ft:…
vw511
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SPARQL-Query for all objects with a specific prefix?

I created an ontology with different prefixes (rdf, rdfs, owl, example, car, bike, ...). I use them to demarcate different domains and examples. How can I query for all objects with the profix i.e. "car"? Thank you in advance!
Grapheneer
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Set default value to property with SPIN

I am new to SPIN. I wonder if it makes sense to use it for the following purpose. Say I have the following class hierarchy: ex:Vehicle ex:Car ex:Sedan Some classes have the property owl:equivalenClass set to some value, for example: ex:Vehicle …
Jay
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Why does this federated SPARQL query work in TopBraid but not in Apache Fuseki?

I have the following federated SPARQL query that works as I expect in TopBraid Composer Free Edition (version 5.1.4) but does not work in Apache Fuseki (version 2.3.1): PREFIX rdfs: PREFIX movie:…
Barry NL
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How can I load SPARQL/SPIN constraints and constructors created in TopBraid Composer for use in Sesame within a SPIN-capable repository?

I have successfully generated and tested SPIN constraints (using SPARQL ASK queries) within an OWL/RDF ontology using TopBraid Composer Maestro Edition version 5.1.1. I would now like to test these SPIN constraints in Sesame. How can I get my SPIN…
Greg Cox
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How to transpose the query result in SPARQL

I am using TopBraid Composer for writing SPARQL queries. I have queried the following result: | Header | Total | |-------- |------- | | | | | A | 5 | | | | | B | 6 …
mishaqman
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Connect disparate data sources with TopBraid Composer

I'm working on a proof of concept to explore how to connect SPARQL data from different data sources. I have two OWL classes, each from its own data model, representing information that I've extracted from two different systems. The data models…
Matt McMinn
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Connect Topbraid Composer to Stardog with Sesame

I'm failing to connect Topbraid Composer 4.6.3 to Stardog 3.0 with the help of a Sesame 2.8.1 repository. These are the steps I'm following: Create a new RDF/OWL Sesame2 Repository Connection Entered a File name, Base URI and Service URL. The…
tstorms
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How to compare individuals through two paths in SHACL?

This questions is related to the one at this link. Let's say it is an "extended question". The ontology at that link contains the following individuals: :a rdf:type :Approve ; :has-theme :r1,:r2 . :r1 rdf:type :Result ; :come-from :m1 . :r2…
Livio Robaldo
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