Learning SPARQL by Bob DuCharme (@bobdc): Querying and updating with SPARQL 1.1.

Joined May 2011
323 Photos and videos
Pinned Tweet
Until the whole Musk-Twitter-X thing gets more bearable, I'm going to stay away. Follow me (e.g. for blog entry announcements) on mas.to/@bobdc, @bobdc.bsky.social, & linkedin.com/in/bobdc/. Pics on instagram.com/bobdcofficial/ & music projects on soundcloud.com/bobducharme.
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Learning SPARQL retweeted
i know everyone is focused on the US elections but here's a small #SPARQL tip for those interested: if you need to find all properties that instances of a certain class have (often useful for understanding a new dataset or visualisation), you can write a simple query like:
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IMDB was recently looking for someone with ā€œExpertise in industry-standard ontology languages and tools (e.g., OWL, RDF, SPARQL, ProtĆ©gĆ©)ā€ Wouldn’t it be cool to have SPARQL access to all that… indeed.com/viewjob?jk=fbcd1e…
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Sometimes, tools designed in one discipline can be unexpectedly utilized by researchers in another! Read all about the #SPARQL wrapper grlc and its origin story in this interview, and the surprising contexts in which it is now used. blog.esciencecenter.nl/from-…
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Learning SPARQL retweeted
Wikidata LaTeX SPARQL šŸ˜€ w.wiki/BgKJ
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Learning SPARQL retweeted
27 Oct 2024
New blog entry: RDF serialization formats — starring TriG bobdc.com/blog/trig/
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Learning SPARQL retweeted
The dataset of US military operations at military-operations.com (published in @II_journal) was pulled from wiki data using SPARQL. Full GitHub repo with all code available at that website

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Apparently this K-pop group called Artms has a song called ā€œSparkleā€
13 Oct 2024
isi kepala gue pas belajar SPARQL
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Learning SPARQL retweeted
Apache Jena 5.2.0 released! lists.apache.org/thread/ynf7… Includes experimental support for CDT (Composite Datatype Literals) github.com/w3c/sparql-dev/bl…

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Learning SPARQL retweeted
29 Sep 2024
New blog entry: Selecting all the triples from all the graphs — but the default graph? bobdc.com/blog/selectingall/
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Learning SPARQL retweeted
Interested in hearing about our ongoing query research with a focus on #SPARQL, #Web, and #Decentralization? Be sure to attend our monthly progress updates, which will be livestreamed starting on Tuesday September 24 at 9:30 CET. youtube.com/live/DQBSu8xeofg
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Learning SPARQL retweeted
Yeah there's an explosion of work happening in this space. I'm more interested in RDF / SPARQL than SQL tbh. I want to mine the data lakes for semantic knowledge.
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Learning SPARQL retweeted
6 Sep 2024
We are unlocking the power of the Dewey Decimal Classification system to build an increasingly robust linked data infrastructure by creating uniform resource identifiers (URIs) for Dewey numbers. ā¤µļø Read more. 🧵 1/3 #LinkedData #OCLCnews oclc.org/en/news/releases/20…
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I currently see eight different jobs that Amazon has posted where the job description mentions SPARQL: indeed.com/jobs?q=sparql ama…

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Learning SPARQL retweeted
25 Aug 2024
New blog entry: Editing schemas, ontologies, and SKOS taxonomies with VocBench — A free GUI tool. bobdc.com/blog/vocbench/
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Learning SPARQL retweeted
It obviously took much longer than the announced month, but the mentioned solution has finally been released: ontogen.io
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Learning SPARQL retweeted
#Training #LifeSciences @isbsib @uniprot #Enzymes #LearnWithData #SPARQL If you missed the course on Enzymes: Extracting Biological Insight Using UniProt with @ElisabethGastei and @jervenbolleman, you can still watch the videošŸ“½ļø here: youtube.com/watch?v=JSQj_Y1x…
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Learning SPARQL retweeted
18 Jul 2024
Apache Jena project releases v5.1.0 jena.apache.org/tutorials/in… This release brings enhanced OWL2 support, RDF dataset prefix management via SPARQL server endpoint, and more #KnowledgeGraph #LinkedData #OWL #RDF #SemanticWeb #Semantics #SPARQL

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