User talk:DavidGries

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David Gries

Hi. While editing an article about yourself is usually frowned upon, obvious exceptions are unsourced contentious material in biographies of living persons and you were right to remove it. Thanks. Kleuske (talk) 21:42, 25 February 2017 (UTC)[reply]

Apropos "frowned upon"... Please read WP:AUTOBIOGRAPHY to see why. Kleuske (talk) 21:45, 25 February 2017 (UTC)[reply]

March 2017

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I unblocked after receiving confirmation of identity ticket:2017081510008669 --S Philbrick (Talk) 18:06, 17 August 2017 (UTC)[reply]

January 2019

Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Q.E.D. have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Materialscientist (talk) 11:34, 20 January 2019 (UTC)[reply]

Help me!

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Please help me with... I had added a short section to Limerick (poetry) --I first proposed it in the talk part and nobody said anything about it. The section discussed the website oedilf.com, which is writing a limerick for every word of the dictionary. It now has over 110,000 limericks. I thought this was a useful addition. It was removed by someone, without any discussion.

If I just the section again, someone will just remove it.

How do I enter into a discussion with someone about the merits of this edition?

Thanks. DavidGries (talk) 10:14, 9 July 2021 (UTC)[reply]

Hi DavidGries there are two main ways to discuss content: directly with the other party on their talk page (in this case Inox-art, secondly on the talk page of the article. However it was correctly reverted as it is clearly just promotion of that site, it is not encyclopedic content about the subject. Also as The Omnificent English Dictionary in Limerick Form already exists it's just duplication. Regards KylieTastic (talk) 10:24, 9 July 2021 (UTC)[reply]

Help me!

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Please help me with... This is in regard to my last question about adding a section to Limerick (poetry) that discusses website oedilf.com. Please help me with my next question and then I will accept whatever it said. I am just trying to understand. You said that "it was correctly reverted as it is promotion of a site, it is not encyclopedic content about the subject."

But I claim that it IS encyclopedic content. Where else can you find 110,000 limericks? The existing sections provide only a limited number of limericks --perhaps 100, or 200 at most. My attempt at a section provides a resource for the reader that goes far beyond what is available elsewhere --110,000 limericks and growing. Isn't this worth including? DavidGries (talk) 00:29, 10 July 2021 (UTC)[reply]

@DavidGries: Hi there! I see you already posted on Talk:Limerick (poetry), and did not receive a response, so you updated Limerick (poetry), and then your edits were reverted. This happens sometimes. Per the Wikipedia:BOLD, revert, discuss cycle, I suggest you invite the other editor to discuss your suggestion at Talk:Limerick (poetry), and ask them why they reverted your edit. Hope this helps! GoingBatty (talk) 00:55, 10 July 2021 (UTC)[reply]

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Your submission at Articles for creation: Interference freedom has been accepted

Interference freedom, which you submitted to Articles for creation, has been created.

Congratulations, and thank you for helping expand the scope of Wikipedia! We hope you will continue making quality contributions.

The article has been assessed as B-Class, which is recorded on its talk page. This is a fantastic rating for a new article, and places it among the top 3% of accepted submissions — major kudos to you! You may like to take a look at the grading scheme to see how you can improve the article.

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Thanks again, and happy editing!

Devonian Wombat (talk) 23:22, 11 July 2022 (UTC)[reply]

July 2022

Hello DavidGries! Your additions to Interference freedom have been removed in whole or in part, as they appear to have added copyrighted content without evidence that the source material is in the public domain or has been released by its owner or legal agent under a suitably-free and compatible copyright license. (To request such a release, see Wikipedia:Requesting copyright permission.) While we appreciate your contributions to Wikipedia, there are certain things you must keep in mind about using information from sources to avoid copyright and plagiarism issues.

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Thanks for the info. I see that you removed the information about work by Apt. I will put it back in, for without it, the paragraph doesn't make sense. But I will do my best to do it properly, following Wikipedia's rules. DavidGries (talk) 09:57, 22 July 2022 (UTC)[reply]

ITN recognition for Juris Hartmanis

On 5 August 2022, In the news was updated with an item that involved the article Juris Hartmanis, which you updated. If you know of another recently created or updated article suitable for inclusion in ITN, please suggest it on the candidates page. Step hen 00:45, 5 August 2022 (UTC)[reply]

Thanks

	The Original Barnstar
	Thanks for your continuing work on List of programming language researchers Arjayay (talk) 12:07, 23 August 2022 (UTC)[reply]

Happy to work on it. I have perhaps another 10-15 to add, and I will alert some of those added (whose email address I can find) and ask them about other possible people.

DavidGries (talk) 12:26, 23 August 2022 (UTC)[reply]

Just a suggestion - a slight problem and a possible solution - which, IMHO, would improve the list.
As per MOS:SEAOFBLUE we try to avoid putting two wikilinks together as in "Alfred Aho, 2020 Turing Award citation" and "Frances Allen, 2006 Turing Award citation" as this can obfuscate the name, since there is no clear break. In addition, such lists often/usually include the year of birth, and if relevant, year of death, as this tells the reader a) if they are still alive and b) what era they were working in, without extraneous text.
So, if it read "Alfred Aho (b 1941), 2020 Turing Award citation" and "Frances Allen (1932-2020), 2006 Turing Award citation" this would break up the MOS:SEAOFBLUE and give extra information to the reader.
I leave it to you - Arjayay (talk) 18:35, 23 August 2022 (UTC)[reply]

Thanks. I never thought of this problem of putting two wikilcnks together.

Tomorrow, I will go through and check them all and fix things.

DavidGries (talk) 19:26, 23 August 2022 (UTC)[reply]

Disambiguation link notification for September 1

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Thanks for the note. I'll check it and fix it.

DavidGries (talk) 09:39, 1 September 2022 (UTC)[reply]

Disambiguation link notification for September 8

An automated process has detected that when you recently edited List of programming language researchers, you added links pointing to the disambiguation pages APL and FL.

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Fixed. Thanks DavidGries (talk) 09:45, 8 September 2022 (UTC)[reply]

Safety and liveness properties

Thanks for the creation of Safety and liveness properties, DavidGries! It's definitely useful information and references. I wonder how you think it fits in with existing articles: "Safety property", "Liveness" and Linear time property. Rather than disjoint essays by individuals, Wikipedia is about accumulating knowledge from many different authors within a single article, and having a strongly connected network of links between related topics. I wonder whether all of the information you have added actually belongs within one of the three existing articles. Anything on safety alone belongs at "safety property", anything on liveness alone at "liveness" and the relationship between the two would maybe fit at linear time property.

We don't really need heavy duplication of information like the section "Informal account of safety and liveness": as long as there is a little bit of overview and appropriate links, readers can find the information they need from other articles. For instance, for the context of safety properties, a formal definition and the phrase "something bad will never happen" is probably enough. — Bilorv (talk) 16:23, 2 October 2022 (UTC)[reply]

Thanks for your talk. I agree about having fewer articles. The current "Safety property" is poorly written and is far from adequate. Second, I believe it is best to have ONE article that defines and describes both safety and liveness, rather than one that discusses 'safety' and another that discusses liveness, for the two are really complementary. This is done in another place with partial correctness and total correctness redirect to Correctness. After Safety and liveness properties is finished, I could actually see removing "Safety property" and have it redirect to Safety and liveness properties. I would have to look at the "liveness" and Linear time property to see what I would do with them.

This evening and tomorrow morning, I will edit Safety and liveness properties based on some comments I received from people. As I edit, I will take into account your remarks about "Informal account of safety and liveness". I'll get back to you after that.

DavidGries (talk) 21:15, 2 October 2022 (UTC)[reply]

This is a long talk, explaining why the new "Safety and liveness properties" belongs. I have had the help of people who know this area cold.

1. The current "safety" and "liveness" articles are misleading about the breadth of these ideas and omit rigorous definitions. They also say nothing about the ramifications of these definitions (ie that they form a complete and orthogonal basis and that they each are discharged with different kinds of proof obligations). So these articles need substantial revision.

To do those edits, we could split our safety and liveness article into two pieces, and replace the current articles with ours. But that 2-article packaging is less useful. (i) it does not make clear how the two defns relate or the interactive historical dance that got the field to this point. (ii) it would require repeating some things twice. So the better course seems to be replacing the current safety article and the current liveness article with pointers to this one single article.

2. Regarding the relationship to "linear-time property" page: This article is about *propositional* linear-time properties. The formalism cannot handle predicates about program states, so it cannot define a property like: "the current value of y determines the number of times that x toggles between 0 and 1 before termination". The formalism used in our "Safety and liveness properties" is more general and can handle this.

3. FORMALISMS. Any formalism for describing properties of individual executions will have a notion of safety properties and liveness properties. If the notation for defining properties is expressive enough, then there will be a theorem about decomposition of every property into a safety property (in the notation) and a liveness property (in the notation). We see that here in the "linear-time property" article. We also see that same narrative in the ""Input/output automaton" article -- though this is yet another formalism for expressing properties.

The new page we wrote, "Safety and liveness properties", subsumes any specific formalism for representing properties. Therefore, it conveys the notions of property, safety property, and liveness property in general. Our article also gives intuitive meanings and to points out some "stumbling block" properties (e.g. deadlock) that people often get wrong. Talking about such misconceptions is not appropriate for articles that are focusing on specific notations.

Should we consider cutting back in the Linear-time article and the I/O automaton article and have them refer to our new article for a safety and liveness discussion? I think that that would be a mistake, because each of those formalism-based articles translates the notions of safety and of liveness into the framework of their formalism and their underlying semantic model.

Still, it doe make sense to include pointers in those articles to our new one, e.g.: "For a discussion of safety properties and liveness properties in general, see xxx". I can do this later on.

DavidGries (talk) 14:00, 6 October 2022 (UTC)[reply]

Thanks for the detailed reply and thought put into this. I agree with you that it does make sense to cover safety and liveness together at one article—the safety property article is very short and the liveness one spends much space contrasting liveness with safety. If Safety and liveness properties reaches a point where you think it contains all the information at "safety property"/"liveness" then you should be fine to redirect those pages there.

The propositional/predicate distinction is one that I hadn't appreciated. I'm biased as I wrote linear time property, but I think it has enough information and scope to remain a separate article. It covers properties that are neither safety nor liveness. — Bilorv (talk) 20:57, 9 October 2022 (UTC)[reply]

I'm the original author of the 'safety property' and 'liveness property' articles and I support these articles being merged into one. Thanks to David and team for expanding so thoughtfully (and streamlining) the original articles on these important topics! Peter Bailis (talk) 23:08, 4 November 2022 (UTC)[reply]

DYK for PL/C

On 14 October 2022, Did you know was updated with a fact from the article PL/C, which you recently created, substantially expanded, or brought to good article status. The fact was ... that Cornell University's student-oriented programming language dialect was made available to other universities but required a "research grant" payment in exchange? The nomination discussion and review may be seen at Template:Did you know nominations/PL/C. You are welcome to check how many pageviews the nominated article or articles got while on the front page (here's how, PL/C), and if they received a combined total of at least 416.7 views per hour (i.e., 5,000 views in 12 hours or 10,000 in 24), the hook may be added to the statistics page. Finally, if you know of an interesting fact from another recently created article, then please feel free to suggest it on the Did you know talk page.

Cas Liber (talk · contribs) 12:03, 14 October 2022 (UTC)[reply]

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I have sent you a note about a page you started

Hello, DavidGries. Thank you for your work on Michael E. Caspersen. North8000, while examining this page as a part of our page curation process, had the following comments:

Nice work!

To reply, leave a comment here and begin it with {{Re|North8000}}. Please remember to sign your reply with ~~~~. (Message delivered via the Page Curation tool, on behalf of the reviewer.)

North8000 (talk) 01:55, 20 December 2023 (UTC)[reply]

@North8000:

Thanks very much for letting me know about North8000's comment. It's good to know that what I did was done well enough to receive that comment.

DavidGries (talk) 02:28, 20 December 2023 (UTC)[reply]