Dear Team,
We're using Stanbol for semantic search in one of our projects about
Knowledge Management.
We need to use the domain specific ontology provided to us.
Below are the steps we did.
1. Created a new SolrYard
2. Create a new Site (Managed Site) and linked the yard
3. Using 'curl' command, loaded the ontology to the site
curl -i -X POST -H "Content-Type:text/turtle" -T {ATRA.ttl} "
http://localhost:8080/entityhub/site/customSite/entity";
4. Created a EntityHub Linking and referred the site created in step 2
5. Created a custom Enhancement Chain and added the EntityHub Linking
created in step 4.
When we run search (with sentences from the ontology), we couldn't see the
entities defined being identified, but the results are different from when
default chain is run. So we think something is happening, but not sure
what and how.
For eg.,
The below is part of the ontology
##################################
<http://www.sample-xo.com/KM/ATRb#1PDP>
rdf:type ATRb:ATR ;
ATRb:acronym "PDP" ;
ATRb:comment "Digital Product Development Process and fully integrated
Digitized Production and Supply Chain (> 2x Acceleration)" ;
ATRb:level "1" ;
ATRb:refinedBy <http://www.sample-xo.com/KM/ATRb#2FAL> ;
ATRb:refinedBy <http://www.sample-xo.com/KM/ATRb#2LTA> ;
ATRb:refinedBy <http://www.sample-xo.com/KM/ATRb#2STA> ;
ATRb:title "Digital Product Design and Factory" ;
#############################################
when we search for 'Digital Product design and factory', we do not see
anything in the list of entities identified. The enhancement chain just
identifies the language.
Our enhancemen chain contains the below engines
tika;optional
langdetect
opennlp-sentence
opennlp-token
opennlp-pos
opennlp-chunker
sampleEntityLinking
dbpedia-disamb-linking
disambiguation-mlt
dbpedia-dereference
We would like to know, if what we are doing is correct ? Also, why we are
not seeing the entities from the ontology that is loaded.
Also, we were told that we need to create a pipeline to actually have the
semantic search implemented.
Pipeline steps being,
1. Load input documents to an external Solr
2. Configure the Managed site, enhancement engine and the chain
3. Hit Enhancement chain with the search text
4. Parse the output and extract the entities identified
5. Hit Solr, which has the input documents indexed, with the identified
entities.
Is this correct understanding.
We're very new to Stanbol and search technologies as such.
Your help is much appreciated.
Thanks & Regards,
Habib
Thanks & Regards
Habib Rahman
Manufacturing TEG - Java CoE
Tata Consultancy Services
Ph:- +91446616 9247
Cell:- 9094765645
Mailto: [email protected]
Website: http://www.tcs.com
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