Bob DuCharme
@bobdc.bsky.social
Long-time user of and writer about standards-based knowledge graph technology. Most recent book: “Learning SPARQL”.
New blog entry: What to do with old computer books? Send them to prisons. www.bobdc.com/blog/booksto...
Bob DuCharme (@bobdc@mas.to)
New blog entry: What to do with old computer books? Send them to prisons. https://www.bobdc.com/blog/bookstoprisons/
mas.to
New blog entry tomorrow — What to do with old computer books? Send them to prisons.
Recent slide deck "Is the Semantic Web Vision Still Relevant?" from @jahendler.bsky.social and Ora Lassila is really good. www.slideshare.net/slideshow/is...
Every product I use is pushing some sort of AI features on me, and my first reaction to Jira doing this was an eye roll. I have since learned that, because their search has always been so awful, the "Ask AI" version of their search is soooo much better.
New blog entry — The best way to talk about AI: don't say 'AI' so much; say what you really mean www.bobdc.com/blog/stopsay...
The best way to talk about AI: don't say 'AI' so much; say what you really mean
Be more specific to help reduce the hype.
bobdc.com
New blog entry tomorrow — The best way to talk about AI: don't say 'AI' so much; say what you really mean.
Nice presentations on what's new in RDF 1.2 and SPARQL 1.2: www.w3.org/Talks/2025/i...
An Introduction to RDF and SPARQL 1.2
w3.org
New blog entry: My GraphRAG Curator interview — discussing RDF graphs, RAG, GraphRAG, music... www.bobdc.com/blog/graphra...
My GraphRAG Curator interview
Discussing graphs, RAG, GraphRAG, music...
bobdc.com
What does it mean to claim that a SPARQL benchmark proves that one engine is faster than another? A passionate debate about one case is going on at www.linkedin.com/feed/update/...
The published lyrics of the 1967 Rolling Stones song “2000 Man” (later covered by KISS) include the line “I am having an affair with a random computer”. Wouldn’t “RAND computer” have made more sense in 1967?
@theatlantic.com Is it possible for authors to look themselves up in the books3 database without giving a credit card number to The Atlantic first?
New blog entry: Let's stop saying "semantic web" — like a startup pivot, the technology turned out to be great for things other than a new kind of "web". www.bobdc.com/blog/stopsem...
Let's stop saying 'semantic web'
Like a startup pivot, the technology turned out to be great for things other than a new kind of 'web'.
bobdc.com
New blog entry tomorrow: Let's stop saying "semantic web" — like a startup pivot, the technology turned out to be great for things other than a new kind of "web".
“Any sufficiently advanced technology is indistinguishable from magic.” - Arthur C. Clarke
Gotta love a comic strip that uses XOR as part of the punch line. www.smbc-comics.com/comic/chew
Saturday Morning Breakfast Cereal - Chew
Saturday Morning Breakfast Cereal - Chew
smbc-comics.com
"Top 10 Query Languages Every Developer Should Know in 2025" including, of course, SPARQL www.analyticsinsight.net/amp/story/pr...
“Journey” is the new “experience” to make the use of your simple product sound like a bigger deal than it actually is.
What are some currently running SPARQL endpoints that people like besides Wikidata and DBpedia?
New blog entry: Correcting some outdated "Learning SPARQL" examples www.bobdc.com/blog/updatin...
Correcting some outdated
Revising some queries to accommodate revised data.
bobdc.com
New blog entry tomorrow: Correcting some outdated "Learning SPARQL" examples
Speaking as a tech writer, I just love the Performing Directions of Terry Riley’s seminal 1964 music piece “In C”: thirdcoastpercussion.com//downloads/2... (second and third page of the PDF)
thirdcoastpercussion.com
From "Model Once, Represent Everywhere: UDA (Unified Data Architecture) at Netflix" netflixtechblog.com/uda-unified-...: "UDA is a Knowledge Graph... We chose RDF and SHACL as the foundation for UDA’s knowledge graph."
Model Once, Represent Everywhere: UDA (Unified Data Architecture) at Netflix
Introducing UDA, the knowledge-graph-based architecture that translates conceptual domain models into consistent schemas and data…
netflixtechblog.com
With all the new information processing algorithms that are popping up and fading away these days, I love how one of the most popular ones continues to be an algorithm developed over 50 years ago by British computer scientist Karen Spärck Jones en.wikipedia.org/wiki/Tf%E2%8...
tf–idf - Wikipedia
en.wikipedia.org
The reason that I switched from DOS to MS Windows 3.1 many years ago.
Bitbucket forcing us to upgrade from the free plan to a plan that they say costs $3.30 per month? Not so bad. Oh wait, they were dividing the actual price by 5 to make it look more appealing. They're really charging $16.50 per month.
New blog entry: ChatGPT and Copilot as OWL processors — pretty impressive. www.bobdc.com/blog/chatgpt...
ChatGPT and Copilot as OWL processors
Pretty impressive.
bobdc.com
New blog entry tomorrow: ChatGPT and Copilot as OWL processors — pretty impressive.
First Draft Note of RDF 1.2 Primer is now available from the W3C at www.w3.org/TR/2025/DNOT...
RDF 1.2 Primer
This primer is designed to provide the reader with the basic knowledge required to effectively use RDF. It introduces the basic concepts of RDF and shows concrete examples of the use of RDF. Sec...
w3.org
I had a great idea for a domain name, but I was 67 days too late.