- How to start sparql local server

1. cd Backend/sdg
2. npm install -g @comunica/query-sparql-file
3. comunica-sparql-file-http Ontology\sdg_final.ttl
4. sparql service default config localhost:3000

- How to start backend service

1. cd Backend/sdg
2. npm install
3. npm start
4. backend service default config localhost:8080

- How to start frontend service

1. cd Frontend/sdg
2. npm install
3. npm start
4. frontend service default config localhost:3001 (usually 3000 but already used by sparql)