Learning SPARQL by Bob DuCharme (@bobdc): Querying and updating with SPARQL 1.1.
Joined May 2011
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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:
Learning SPARQL retweeted
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-…
Learning SPARQL retweeted
New blog entry: RDF serialization formats — starring TriG bobdc.com/blog/trig/
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
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…
Learning SPARQL retweeted
New blog entry: Selecting all the triples from all the graphs — but the default graph? bobdc.com/blog/selectingall/
Learning SPARQL retweeted
Assessing SPARQL capabilities of Large Language Models. arxiv.org/abs/2409.05925
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
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.
Learning SPARQL retweeted
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.
⤵️ Read more. 🧵 1/3 #LinkedData #OCLCnews oclc.org/en/news/releases/20…
Learning SPARQL retweeted
New blog entry: Editing schemas, ontologies, and SKOS taxonomies with VocBench — A free GUI tool. bobdc.com/blog/vocbench/
Learning SPARQL retweeted
It obviously took much longer than the announced month, but the mentioned solution has finally been released: ontogen.io
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 video📽️ here:
youtube.com/watch?v=JSQj_Y1x…
Learning SPARQL retweeted
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
Learning SPARQL retweeted
Learning SPARQL retweeted
Now this is exciting! 😀 - I managed to work around the issue with running SPARQL queries using RDFLib inside ChatGPT code interpreter mentioned in this tweet: xitter.cf/CaptSolo/status/181440…
Learning SPARQL retweeted
New blog entry: SPARQLing anything — MS Office files, XML, markdown, plain text, and more. bobdc.com/blog/sparqlanythin…
Learning SPARQL retweeted
📣 Happy to announce that our free online Ontotext Academy courses are now live! Whether you're a beginner or looking to advance your skills, you can learn everything from #RDF & #SPARQL basics to advanced application development w/ @OntotextGraphDB.
hubs.la/Q02H2QjC0
Learning SPARQL retweeted
. @justinjaffray mini-series on relational query optimisation with physical properties should be a must-read for #SPARQL query engine developers. SPARQL graph query's algebra often has a very pronounced hierarchical structure. 1/
buttondown.email/jaffray/arc…