SPARQL 101

SPARQL: SPARQL Protocol and RDF Query Language

SPARQL is a graph 🕸️

						SELECT DISTINCT ?coActorName ?age
						WHERE {
							?movie dbo:starring ?theActor . 
							?movie dbo:starring ?otherActor . 

							?theActor rdfs:label "Mads Mikkelsen"@en .

							?otherActor rdfs:label ?coActorName .
							?otherActor dbo:birthDate ?bd .
							  
							BIND( NOW() as ?today )
							BIND( YEAR(?today)-YEAR(?bd) as ?age )
						
							FILTER(LANG(?coActorName) = "en")
						}					
					

Interactive session: LD-BIM 🕹️🎬

BOT: The Building Topology Ontology

bot:Zone

bot:Element

bot:Interface

Try yourself!

Query the model on LD-BIM 🔨🕹️

Code along: LBD app ⚙️🔧🦾👩‍💻💻

Example app that uses this toolset

Need 3D? Use OpenBIM Components

Thank you for your attention!

Questions? Thoughts? Ideas? Let's discuss them over a ☕

Learn more

• Buildings and Semantics – Data Models and Web Technologies for the Built Environment, 2022 📘
• Industry 4.0 for the Built Environment, 2021 📕
• BOT: the building topology ontology of the W3C linked building data group, 2021 📃
• BILT Academy Episode Five – Decentralization Part 1, 2020 🎙️🎧
• Managing interrelated project information in AEC Knowledge Graphs, 2019 📃
• Proposing a central AEC ontology that allows for domain specific extensions, 2017 📃

My tools (please contribute 😎)

• SPARQL visualizer
• Graph SPARQL
• JSON-LD visualizer
• LD BIM
• IFC-LBD JavaScript
• IFC2BOT Python

Other tools

• Prefix.cc prefix search
• Linked Open Vocabularies schema/ontology search
• WebVOWL Visualization of Ontologies