Bob DuCharme

Senior Technical Writer at Graphwise (opinions mine, not theirs). Wrote O'Reilly's "Learning SPARQL." Likes working with semi-structured data and metadata.

Bob DuCharme
bobdc@mas.to

Speaking as a tech writer, I just love the Performing Directions of Terry Riley’s seminal 1964 music piece “In C”: https://thirdcoastpercussion.com//downloads/2015/04/Terry-Riley-In-C-concert2.pdf (second and third page of the PDF)

June 22, 2025
Bob DuCharme
bobdc@mas.to

From "Model Once, Represent Everywhere: UDA (Unified Data Architecture) at Netflix" https://netflixtechblog.com/uda-unified-data-architecture-6a6aee261d8d: "UDA is a Knowledge Graph... We chose RDF and SHACL as the foundation for UDA’s knowledge graph."

June 15, 2025
Bob DuCharme
bobdc@mas.to

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 https://en.wikipedia.org/wiki/Tf%E2%80%93idf

June 08, 2025
Bob DuCharme
bobdc@mas.to

The reason that I switched from DOS to MS Windows 3.1 many years ago.

June 01, 2025
Bob DuCharme
bobdc@mas.to

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.

May 31, 2025
Bob DuCharme
bobdc@mas.to

New blog entry: ChatGPT and Copilot as OWL processors — pretty impressive. https://www.bobdc.com/blog/chatgpt-copilot-owl/

May 25, 2025
Bob DuCharme
bobdc@mas.to

New blog entry tomorrow: ChatGPT and Copilot as OWL processors — pretty impressive.

May 24, 2025
Bob DuCharme
bobdc@mas.to

I had a great idea for a domain name, but I was 67 days too late.

April 12, 2025
Bob DuCharme
bobdc@mas.to

Charles Babbage, inventor of the first mechanical computer: "On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' ... I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question." (from https://en.wikipedia.org/wiki/Garbage_in,_garbage_out)

March 29, 2025
Bob DuCharme
bobdc@mas.to

New blog entry: Converting RDFS schemas to SHACL constraints — with SPARQL, of course. https://www.bobdc.com/blog/rdfs2shacl/

March 09, 2025
Bob DuCharme
bobdc@mas.to

New blog entry tomorrow: Converting RDFS schemas to SHACL constraints — with SPARQL, of course.

March 08, 2025
Bob DuCharme
bobdc@mas.to

Out of curiosity I let gmail's "AI" rewrite something I wrote and it replaced the word "features" with "functionality." I guess I'll wait a few years before I try that again. https://www.bobdc.com/blog/writing-about-software-bad-wor/

February 23, 2025
Bob DuCharme
bobdc@mas.to

Using ChatGPT every few weeks has changed the way I do regular Google searches. Now I think of them as prompts where my incorporation of more context terms will get better answers, and that actually helps.

February 15, 2025
Bob DuCharme
bobdc@mas.to

Causal AI is a promising field (see upcoming Graphwise webinar at https://lnkd.in/erXtR726) and a fun side effect of the interest is all the discussions of it out there that include “casual AI” as a typo.

February 01, 2025