SPARQLWrapper Script

examples/sparqlwrapper/sparqlwrapper_script.py

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+import time
+from SPARQLWrapper import SPARQLWrapper, JSON
+
+# -------------------------
+# SPARQL endpoint variable
+# -------------------------
+SPARQL_API = "http://sorin-MS-7E06:7200/repositories/15files"  # change to your endpoint
+
+
+def run_query(query, query_name):
+    """Run a SPARQL query and print results with timing."""
+    print(f"\n=== Running {query_name} ===")
+
+    sparql = SPARQLWrapper(SPARQL_API)
+    sparql.setQuery(query)
+    sparql.setReturnFormat(JSON)
+
+    start_time = time.time()
+    results = sparql.query().convert()
+    end_time = time.time()
+
+    elapsed = end_time - start_time
+    print(f"⏱️  {query_name} completed in {elapsed:.3f} seconds")
+
+    # Print each result row (compactly)
+    for result in results["results"]["bindings"]:
+        print({k: v["value"] for k, v in result.items()})
+
+    return elapsed
+
+
+# ---------------------------------------------------
+# Individual Query Functions
+# ---------------------------------------------------
+
+def query1_graduate_students():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE {
+  ?X rdf:type ub:GraduateStudent .
+  ?X ub:takesCourse <http://www.Department0.University0.edu/GraduateCourse0>
+}
+"""
+    return run_query(query, "Query 1 - Graduate Students taking GraduateCourse0")
+
+
+def query2_students_universities_departments():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X ?Y ?Z
+WHERE {
+  ?X rdf:type ub:GraduateStudent .
+  ?Y rdf:type ub:University .
+  ?Z rdf:type ub:Department .
+  ?X ub:memberOf ?Z .
+  ?Z ub:subOrganizationOf ?Y .
+  ?X ub:undergraduateDegreeFrom ?Y
+}
+"""
+    return run_query(query, "Query 2 - Students/Universities/Departments")
+
+
+def query3_publications_by_assistant_professor():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE {
+  ?X rdf:type ub:Publication .
+  ?X ub:publicationAuthor <http://www.Department0.University0.edu/AssistantProfessor0>
+}
+"""
+    return run_query(query, "Query 3 - Publications by AssistantProfessor0")
+
+
+def query4_professor_info():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X ?Y1 ?Y2 ?Y3
+WHERE {
+  ?X rdf:type ub:Professor .
+  ?X ub:worksFor <http://www.Department0.University0.edu> .
+  ?X ub:name ?Y1 .
+  ?X ub:emailAddress ?Y2 .
+  ?X ub:telephone ?Y3
+}
+"""
+    return run_query(query, "Query 4 - Professor contact info")
+
+
+def query5_persons_in_department0():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE {
+  ?X rdf:type ub:Person .
+  ?X ub:memberOf <http://www.Department0.University0.edu>
+}
+"""
+    return run_query(query, "Query 5 - Persons in Department0")
+
+
+def query6_all_students():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X WHERE { ?X rdf:type ub:Student }
+"""
+    return run_query(query, "Query 6 - All Students")
+
+
+def query7_students_taught_by_associate_professor0():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X ?Y
+WHERE {
+  ?X rdf:type ub:Student .
+  ?Y rdf:type ub:Course .
+  ?X ub:takesCourse ?Y .
+  <http://www.Department0.University0.edu/AssociateProfessor0> ub:teacherOf ?Y
+}
+"""
+    return run_query(query, "Query 7 - Students taught by AssociateProfessor0")
+
+
+def query8_students_email_in_university0():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X ?Y ?Z
+WHERE {
+  ?X rdf:type ub:Student .
+  ?Y rdf:type ub:Department .
+  ?X ub:memberOf ?Y .
+  ?Y ub:subOrganizationOf <http://www.University0.edu> .
+  ?X ub:emailAddress ?Z
+}
+"""
+    return run_query(query, "Query 8 - Student emails in University0")
+
+
+def query9_students_with_advisors_and_courses():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X ?Y ?Z
+WHERE {
+  ?X rdf:type ub:Student .
+  ?Y rdf:type ub:Faculty .
+  ?Z rdf:type ub:Course .
+  ?X ub:advisor ?Y .
+  ?Y ub:teacherOf ?Z .
+  ?X ub:takesCourse ?Z
+}
+"""
+    return run_query(query, "Query 9 - Students with advisors & courses")
+
+
+def query10_students_in_graduatecourse0():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE {
+  ?X rdf:type ub:Student .
+  ?X ub:takesCourse <http://www.Department0.University0.edu/GraduateCourse0>
+}
+"""
+    return run_query(query, "Query 10 - Students in GraduateCourse0")
+
+
+def query11_research_groups_university0():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE {
+  ?X rdf:type ub:ResearchGroup .
+  ?X ub:subOrganizationOf <http://www.University0.edu>
+}
+"""
+    return run_query(query, "Query 11 - Research groups in University0")
+
+
+def query12_chairs_and_departments():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X ?Y
+WHERE {
+  ?X rdf:type ub:Chair .
+  ?Y rdf:type ub:Department .
+  ?X ub:worksFor ?Y .
+  ?Y ub:subOrganizationOf <http://www.University0.edu>
+}
+"""
+    return run_query(query, "Query 12 - Chairs and Departments")
+
+
+def query13_alumni_of_university0():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE {
+  ?X rdf:type ub:Person .
+  <http://www.University0.edu> ub:hasAlumnus ?X
+}
+"""
+    return run_query(query, "Query 13 - Alumni of University0")
+
+
+def query14_undergraduate_students():
+    query = """
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX ub: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>
+SELECT ?X
+WHERE { ?X rdf:type ub:UndergraduateStudent }
+"""
+    return run_query(query, "Query 14 - Undergraduate Students")
+
+
+# ---------------------------------------------------
+# Pipeline Runner
+# ---------------------------------------------------
+def run_pipeline():
+    print("=== 🚀 Starting SPARQL Query Pipeline ===")
+    total_start = time.time()
+
+    total_time = 0
+    total_time += query1_graduate_students()
+    total_time += query2_students_universities_departments()
+    total_time += query3_publications_by_assistant_professor()
+    total_time += query4_professor_info()
+    total_time += query5_persons_in_department0()
+    total_time += query6_all_students()
+    total_time += query7_students_taught_by_associate_professor0()
+    total_time += query8_students_email_in_university0()
+    total_time += query9_students_with_advisors_and_courses()
+    total_time += query10_students_in_graduatecourse0()
+    total_time += query11_research_groups_university0()
+    total_time += query12_chairs_and_departments()
+    total_time += query13_alumni_of_university0()
+    total_time += query14_undergraduate_students()
+
+    total_end = time.time()
+    print("\n=== ✅ Pipeline Complete ===")
+    print(f"Total measured query time: {total_time:.3f} seconds")
+    print(f"Total wall-clock time: {total_end - total_start:.3f} seconds")
+
+
+# ---------------------------------------------------
+# Main Entry
+# ---------------------------------------------------
+if __name__ == "__main__":
+    run_pipeline()