Guide

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Extracting ontological knowledge from keywords describing books in the United Catalogue of the National Library.
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Requirements:
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a) Data access(files) - getting from national library website 
b) PyCharm code editor -  download from https://www.jetbrains.com/pycharm/
c) python 3.4  - download from https://www.python.org/downloads/
d) RdfLib  - download from http://rdflib.readthedocs.org/en/latest/
e) NLTK (Natural Language Process Tool kit) - download from http://www.nltk.org/install.html
f) Jason
g) portege ontology editor  - download from http://protege.stanford.edu/
h) Fuseki server 
i) windows 7 or Unix 

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User Manual:
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After installing all the Requirements, run the application and follow the instructions:
step 1: uploading the python code files (sympolTable.py,Hashtable.py,rdfOntology.py,marcParse.py,jsonParser.py)
step 2: downloading the subjects.txt file or if needed expand the subjects file need by downloading the MARC files from the national library website and saving them
			 on the computer then copying the link of the file path in MarcParser.py. To get the new data change, the directories where the new outPut files is stored.
step 3: copying the new directories into jsonParser.py to get the new file that contains all the subjects in the text file.
step 4: loading the new subjects text file directory into rdfOntology.py and running it to get the RDF file.	
step 5: opening the portege software and importing the RDF file into portege to extract the data and show the ontology graph
step 6: running the fuseki server then loading the RDF file that was created there then extracting the  data required using SPARQL queries.
		to run fuseki server : http://jena.apache.org/documentation/serving_data/#getting-started-with-fuseki 

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		note : very important to get the right files directories when changing in code files by following the code instructions
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