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I have a RDF/Turtle Resource as below: 

@prefix factory: <http://linkedfactory.iwu.fraunhofer.de/vocab#> .
@prefix : <http://linkedfactory.iwu.fraunhofer.de/data/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://linkedfactory.iwu.fraunhofer.de/linkedfactory> factory:contains <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/demofactory> .

<http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU> factory:contains <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/Rollex> .

<http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim> factory:contains <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab> .

<http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab> factory:contains <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/Aximus> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/BDM2000> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/Fliesspressen> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/GMX_Entgraten> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/GMX_Spanen1> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/GMX_Spanen2> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/GMX_Spanen3> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/GMX_Spanen4> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/HA100> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/Karobau> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/PRD40> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/PWZ> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/Querwalzen> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/E3-Sim/FoFab/Rollex> .

<http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab> factory:contains <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/GLT> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/GMX> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/NSHV> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/NSHV-Buero> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/Rollex> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/SolarPlant> .

<http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW> factory:contains <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW/CoolingWater> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW/EmergencyCooling> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW/Generator> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW/HeatMeter> , <http://linkedfactory.iwu.fraunhofer.de/linkedfactory/IWU/FoFab/BHKW/HeatingWater> .

I transform from a natural language to a Sparql request with constituency parser for the following situations

Question : What linkedfactory contains?

PREFIX vocab: <http://linkedfactory.iwu.fraunhofer.de/vocab#>
select * where {
                       <http://localhost:10080/linkedfactory/demofactory>  vocab:contains ?o .
                        }

For the following question, I need to detect "contains" verb if it is coming before the noun "linkedfactory".

Question: What contains linkedfactory? or Can you give me which one contains linkedfactory?

PREFIX vocab: <http://linkedfactory.iwu.fraunhofer.de/vocab#>
select * where {
                    ?s    vocab:contains <http://localhost:10080/linkedfactory/demofactory>  .
                        }

How can I handle with this situation? (Note: It is used rdflib-python to create a Sparql and to parse a sentence, I use Stanford CoreNLP-Python)

Thanks in advance,

Improve this question
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  • 1
    so you're trying to implement a question answering system? like many people tried to do before? For the linkedfactory domain from IWU Chemnitz? Did you talk to the QA group from Fraunhofer Bonn? Commented Nov 18, 2018 at 11:49
  • regarding your question, the parse tree should be different for both questions. Why can't you just make use of this? From the Stanford dependency tree, you should be able to get subject resp. object of the sentence. Commented Nov 18, 2018 at 11:50
  • by the way, shouldn't the question be "What does linkedfactory contain?" Commented Nov 18, 2018 at 12:00
  • I already implemented a question answering system. I try to make better. Yes, the question also could be such as "What does linkedfactory contain?". I tested for my system and result is ok. Thanks for the advice. When I use dependency tree, all the items of universal dependencies are changing. I wanted to ask maybe there is an existing algorithm to detect dependency parse tree similarity. Commented Nov 18, 2018 at 12:07
  • 1
    Please review and follow the advice of "How To Ask". Commented Nov 19, 2018 at 19:25
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