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SDM Lab 2 - Knowledge Graphs

This repository contains the solutions and resources developed for Lab Assignment 2. The lab focuses on hands-on work with knowledge graphs, involving RDF schema modeling, data transformation using RDFLib, and semantic querying using SPARQL in GraphDB.

🧠 Project Overview

The main objectives of this lab were:

  • Design and implement an ontology (TBOX) for the research publication domain.
  • Create an instance dataset (ABOX) using RDFLib based on structured data.
  • Use reasoning and inference in GraphDB to enhance semantic querying.

⚙️ Setup Instructions

  1. Install GraphDB
    Download and install GraphDB Free:
    👉 https://www.ontotext.com/products/graphdb/graphdb-free/

  2. Start GraphDB
    Launch the application and access http://localhost:7200/

  3. Create a Repository

    • Go to Setup > Repositories > Create new repository
    • Use ruleset: RDFS (Optimized)
    • Enable autocomplete in Setup > Autocomplete

  4. Import RDF Data
    Load the TBOX and ABOX files into the GraphDB repository via the Import > RDF tab:

  5. Run Queries
    Go to the SPARQL tab and run the provided queries in the assets/ directory.