Amazon recently announced Neptune as an AWS service. As its home page describes it,

While listening to the song Dear Life on the new Beck album, I wondered who played the piano on the Beatles’ Martha My Dear. A web search found the website Beatles Bible, where the Martha My Dear page showed that it was Paul.

On the computers that I use the most, the browser home page is an HTML file with links to my favorite pages and a “single” form that lets me search the sites that I search the most. I can enter a search term in the field for any of the sites, press Enter, and then that site gets searched. The two tricks that I use to create these fields have been handy enough that I thought I’d share them in case they’re useful to others.

Last month, in The W3C standard constraint language for RDF: SHACL, I described the history of this new standard that lets us define constraints on RDF data and an open source tool that lets us identify where such constraints were violated. The presence of the standard and tools that let us implement the standard will be a big help to the use of RDF in production environments.

I recently decided to copy my address book, which I have in an RDF file, to Google Contacts. The basic steps are pretty straightforward: