This is a Neo4j unmanaged extension used for document and text classification.
The compiled extension is available from the bin directory.
-
To build it:
src/extension mvn assembly:assembly -DdescriptorId=jar-with-dependencies -
Copy
src/extension/target/graphify-1.0.0-jar-with-dependencies.jarto theplugins/directory of your Neo4j server. -
Configure Neo4j by adding a line to conf/neo4j-server.properties:
org.neo4j.server.thirdparty_jaxrs_classes=org.neo4j.nlp.ext=/service -
Start Neo4j server.
-
Query it over HTTP.
curl --user neo4j:neo4j http://localhost:7474/service/graphify/similar/{label}
curl --user neo4j:neo4j -H "Content-Type: application/json" -d '{"label": ["Document classification"], "text": ["Documents may be classified according to their subjects or according to other attributes (such as document type, author, printing year etc.). In the rest of this article only subject classification is considered. There are two main philosophies of subject classification of documents: The content based approach and the request based approach."]}' http://localhost:7474/service/graphify/training
curl --user neo4j:neo4j -H "Content-Type: application/json" -d '{"text": "A document is a written or drawn representation of thoughts. Originating from the Latin Documentum meaning lesson - the verb means to teach, and is pronounced similarly, in the past it was usually used as a term for a written proof used as evidence."}' http://localhost:7474/service/graphify/classify
curl --user neo4j:neo4j -H "Content-Type: application/json" -d '{"text": "A document is a written or drawn representation of thoughts. Originating from the Latin Documentum meaning lesson - the verb means to teach, and is pronounced similarly, in the past it was usually used as a term for a written proof used as evidence."}' http://localhost:7474/service/graphify/extractfeatures
curl --user neo4j:neo4j http://localhost:7474/service/graphify/similar/Document%20classification
{
"classes": [
{
"class": "Document",
"similarity": 0.19563160874988336
},
{
"class": "Intelligence",
"similarity": 0.1778887274627789
},
{
"class": "Machine learning",
"similarity": 0.14800216450227222
},
{
"class": "Data",
"similarity": 0.1467923282078174
},
{
"class": "Memory",
"similarity": 0.14600346713601134
}
]
}