Re: Multi-set like graphs [was: Re: RDF-star use cases from Amazon Neptune]



> On Jan 8, 2022, at 1:13 PM, thomas lörtsch <tl@rat.io> wrote:
> 
> Hi Peter!
> 
>> Am 12.12.2021 um 06:19 schrieb Peter F. Patel-Schneider <pfpschneider@gmail.com>:
>> 
>> Semantics for linear logic can be based on multisets.
>> Here is one such treatment:
>> http://users.auth.gr/tzouvara/Texfiles.htm/multlog.pdf

>> 
>> There is a treatment of SPARQL that uses multisets:
>> https://arxiv.org/abs/1610.04315

> 
> Thanks a lot for the pointers! As was to be expected this is way over my head… I read both papers and they both seem excellent and well written, yet two or three pages in I’m lost, very much. I still managed to gather something from those first pages.
> 
> The first, more foundational paper is not cited very often. The topic doesn’t seem to be very hotly debated. It makes this curious statemet quite at the beginning: 
> 
> "For reasons hidden in the early history of set theory, a set came to mean a collection of types of objects rather than of concrete tokens of them." 

I am glad you caught that. This statement is COMPLETE HISTORICAL NONSENSE. I can elaborate on this if required, but nothing in the rest of that paper depends on this, so my advice would be to simply ignore it. 

Pat

Received on Saturday, 8 January 2022 21:32:23 UTC