How to apply inference rules (SWRL) using SPARQL tab or DL Query tab in Protege 5.5.0?

Dear all, I want to ask help in creating a plugin or a tab for writing SWRL inference rules. Can I use SPARQL Query or DL Query tabs?

01 January 1970 5,264 7 View

Difficult research engine Queries

Dear all, please can you tel me a set of questions that you write in research engines and you find them difficult to extract? for example, what are the challenges in a certain domain.

01 January 1970 3,379 1 View

How can we make an ontology multiligual automatically? I'm using Protege to built my ontology and the concepts are about 17k. Any suggestions?

My ontology is about medicine(Diseases based on ICD-10,Specialties etc). I have used annotation property rdfs:label but due to the number of concepts it's time consuming process. Is there a way by...

28 November 2020 5,893 4 View

How to work with LUBM Dataset and Query benchmark SPARQLQuery? can anyone please share implementation details?

I want to query SPARQL Query with LUBM dataset. This is used as an benchmark for this? Just want to understand how i can i setup the environment to execute SPARQL query with different datasize.

31 December 2019 8,498 1 View

Drawbacks of SPARQL (In terms of computational cost related to dynamic SPARQL generation)?

Dear Scientific Community; I would like your opinions on the disadvantages associated with SPARQL querying. Specifically the computational cost aspect. Execution planning, query optimization and...

20 November 2019 1,023 1 View

No title

07 August 2019 8,460 1 View

Closed world reasoning ?

Hello, To verify that my ontology instances respect cardinality restrictions, especially min cardinality restrictions, I need to perform Closed World Reasoning. However, I cannot find how to do...

03 April 2019 6,220 4 View

No title

02 March 2019 9,142 2 View

What type of algorithm is used to merge multiple ontology on protege 4.0?

For my research regarding ontology merging i would like to analyze what type of algorithm is used in protege 4.0. PROMPT is the algorithm used till protege 3.0. Is that still used or is there any...

11 December 2018 969 0 View

How to integrate Foaf ontology in my project?

Dear all, I want to build a new ontology and reuse Foaf ontology, Context Ontology. Could anyone explain me how I should connect them. For example I have a person entity with First Name, Last...

10 November 2018 9,710 3 View

How to solve Owlready2 parsing error with sync_reasoner?

I'm using an ontology for building profiles. Ontology instances are populated from mongodb. When I'm going to retrieve data through SPARQL queries it gives me an exception of parser error. So I...

05 June 2018 6,510 0 View

How we can connect GATE(General Architecture for text Engineering) with the OSF Drupal for Unstructured data process ?

I have a OSF Drupal setup in my virtual machine server, Now I want to process unstructured data for Open Semantic framework, We have GATE for natural Language processing,So How can I install, use...

10 November 2017 6,192 0 View