# Directed Acyclic Graphs Project **URL:** \ **Category:** ALSDA AWG Open Projects\ **Tags:** hsrb, systems-risk, data-mining, human-health\ **Created:** [March 8, 2024, 7:52pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34 "2024-03-08T19:52:01Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![robert.j.reynolds-2](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/robert.j.reynolds-2/32/159_2.png) [@robert.j.reynolds-2](https://awg.osdr.space/u/robert.j.reynolds-2)\ **Post date:** [March 8, 2024, 7:52pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/1 "2024-03-08T19:52:01Z")
If anyone is interested in this project, this is a place to discuss The ‘DAGs’ capture the relationships in nodes and edges between: space hazards, biological responses, physiological impacts, clinical outcomes, mission impacts The DAGs are organized and capture 29 risks articulated through SMEs with the [NASA Human Systems Risk Board](https://www.nasa.gov/directorates/esdmd/hhp/human-system-risk-board/) - [The DAGs themselves](https://ntrs.nasa.gov/api/citations/20220015709/downloads/TP_Directed%20Acyclic%20Graphs_%20A%20Tool%20for%20Understanding%20the%20nature%20of%20the%20NASA%20Human%20System%20Risks_NASA-TP-20220015709.pdf) - [The DAG guidance documentation](https://ntrs.nasa.gov/api/citations/20220006812/downloads/HSRB%20DAG%20Guidance%20Documentation_NASA%20TM-20220006812_Update.pdf) - An exploratory publication from this AWG, attempting to validate a section of the bone fracture DAG: Reynolds et al., 2022 [Biomedicines | Free Full-Text | Validating Causal Diagrams of Human Health Risks for Spaceflight: An Example Using Bone Data from Rodents](https://doi.org/10.3390/biomedicines10092187) ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [May 17, 2024, 10:08pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/2 "2024-05-17T22:08:56Z")
@robert.j.reynolds-2 once others (for example Alyssa) join this awg.osdr.space, we can coordinate through here ---
**Author:** ![isaelegbede](https://avatars.discourse-cdn.com/v4/letter/i/bb73d2/32.png) [@isaelegbede](https://awg.osdr.space/u/isaelegbede)\ **Post date:** [May 18, 2024, 12:31am UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/3 "2024-05-18T00:31:04Z")
I am interested in the project, how can i contribute ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [May 18, 2024, 12:32am UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/4 "2024-05-18T00:32:42Z")
Super thanks @isaelegbede - @robert.j.reynolds-2 is leading out this work. I believe him and Alyssa Columbus are targeting dates/times. @acolumb1 ---
**Author:** ![robert.j.reynolds-2](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/robert.j.reynolds-2/32/159_2.png) [@robert.j.reynolds-2](https://awg.osdr.space/u/robert.j.reynolds-2)\ **Post date:** [May 20, 2024, 2:20pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/5 "2024-05-20T14:20:22Z")
Hi @isaelegbede - thanks for your interest! This is a great time to join as we are just now getting organized (as you can see). I’ll be providing updates soon as to what we’re planning on doing, so check back in the next couple of weeks (and I’ll try to tag you as well). ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [May 22, 2024, 6:32pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/6 "2024-05-22T18:32:44Z")
Hi @sudip.sharma.temple meet @robert.j.reynolds-2 @acolumb1 Higher up in this thread is relevant Directed Acyclic Graph info, which might be relevant ---
**Author:** ![sudip.sharma.temple](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/sudip.sharma.temple/32/131_2.png) [@sudip.sharma.temple](https://awg.osdr.space/u/sudip.sharma.temple)\ **Post date:** [May 22, 2024, 6:41pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/7 "2024-05-22T18:41:22Z")
Hi, @rtscott2001, Thanks for mentioning it. @robert.j.reynolds-2 I am interested in this project and will be happy to learn more about how I can contribute. ---
**Author:** ![robert.j.reynolds-2](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/robert.j.reynolds-2/32/159_2.png) [@robert.j.reynolds-2](https://awg.osdr.space/u/robert.j.reynolds-2)\ **Post date:** [May 22, 2024, 9:56pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/8 "2024-05-22T21:56:46Z")
Outstanding! Welcome! As I said above we’re getting organized, so stay close and I"ll give you an update soon. ---
**Author:** ![kjycheryl](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/kjycheryl/32/213_2.png) [@kjycheryl](https://awg.osdr.space/u/kjycheryl)\ **Post date:** [May 24, 2024, 8:26am UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/9 "2024-05-24T08:26:27Z")
Hi! I am also interested in joining this project. I hold a B.S. Aeronautics from Embry-Riddle Aeronautical University, with a minor in Safety and am hoping to go to medical school. Risk assessment and management are areas of interest for me! ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [June 1, 2024, 6:47am UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/10 "2024-06-01T06:47:53Z")
@robert.j.reynolds-2 could you share here some of the ideas you are proposing on the Directed Acyclic Graph approach? Both in terms of validation next steps, using LLMs to create (or validate?) DAGs, etc? @walt @acolumb1 @sudip.sharma.temple @kjycheryl @isaelegbede others could chime in and discuss The idea is for this to be an [@ALSDAawg](https://awg.osdr.space/groups/alsdaawg) & [@AIMLawg](https://awg.osdr.space/groups/aimlawg) collaboration, which will be presented at the next ALSDA AWG mtg, Tuesday, June 18 ([details and links to mtg are in the AWG Hub](https://awg.osdr.space/g/ALSDAawg/members)) I’d like to use this forum to drive the discussion (and prep for 18th) Everyone is using DiscourseHub app for this forum right? Best way to engage. ([Apple](https://apps.apple.com/az/app/discourse-hub/id1173672076) or [Android Google Store](https://play.google.com/store/apps/details?id=com.discourse) ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [June 18, 2024, 4:20pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/11 "2024-06-18T16:20:16Z")
Hi @szol thanks for your interest in the DAG project. This is the thread 🙂 with all the links ---
**Author:** ![rachelrgilbert](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rachelrgilbert/32/232_2.png) [@rachelrgilbert](https://awg.osdr.space/u/rachelrgilbert)\ **Post date:** [June 18, 2024, 4:39pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/12 "2024-06-18T16:39:17Z")
Is this topic related at all to [this effort](https://ntrs.nasa.gov/api/citations/20220015709/downloads/TP_Directed%20Acyclic%20Graphs_%20A%20Tool%20for%20Understanding%20the%20nature%20of%20the%20NASA%20Human%20System%20Risks_NASA-TP-20220015709.pdf) that you are part of @robert.j.reynolds-2 ? ---
**Author:** ![robert.j.reynolds-2](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/robert.j.reynolds-2/32/159_2.png) [@robert.j.reynolds-2](https://awg.osdr.space/u/robert.j.reynolds-2)\ **Post date:** [June 18, 2024, 5:16pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/13 "2024-06-18T17:16:15Z")
Yes, you’ve found the right place. We might have project-specific threads, but for now, watch here. ---
**Author:** ![jessicadurbano](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/jessicadurbano/32/61_2.png) [@jessicadurbano](https://awg.osdr.space/u/jessicadurbano)\ **Post date:** [June 18, 2024, 5:25pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/14 "2024-06-18T17:25:34Z")
Thank you for today’s presentation during ALSDA meeting 🙏 I’d love to join the project, too. ---
**Author:** ![robert.j.reynolds-2](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/robert.j.reynolds-2/32/159_2.png) [@robert.j.reynolds-2](https://awg.osdr.space/u/robert.j.reynolds-2)\ **Post date:** [June 18, 2024, 7:00pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/15 "2024-06-18T19:00:01Z")
Great! Glad to have you! Watch this thread in the coming days for updates! ---
**Author:** ![drsaswatidas](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/drsaswatidas/32/336_2.png) [@drsaswatidas](https://awg.osdr.space/u/drsaswatidas)\ **Post date:** [June 20, 2024, 1:45am UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/16 "2024-06-20T01:45:57Z")
Interested in this project as SME. ---
**Author:** ![keith.siew](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/keith.siew/32/1336_2.png) [@keith.siew](https://awg.osdr.space/u/keith.siew)\ **Post date:** [December 5, 2024, 5:07pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/17 "2024-12-05T17:07:15Z")
Sure you know I’m on board… so happy to be looped in on stuff… especially kidney, but physiology is my thing… so can help in other areas I’m sure, plus linked to a ton of other physiologists and clinicians ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [December 5, 2024, 5:10pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/18 "2024-12-05T17:10:21Z")
Cheers! Indeed, just today in the [@HUMANawg](https://awg.osdr.space/groups/humanawg) - @padilla at Case Western proposed moving this foroward, but perhaps from a different angle? I think the Human AWG will be covering this at its February mtg, or potentially the [@ALSDAawg](https://awg.osdr.space/groups/alsdaawg) Thoughts @robert.j.reynolds-2 @eantonse @lauren.sanders ? ---
**Author:** ![rswhittle](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rswhittle/32/1230_2.png) [@rswhittle](https://awg.osdr.space/u/rswhittle)\ **Post date:** [December 11, 2024, 7:00pm UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/19 "2024-12-11T19:00:03Z")
Hi @robert.j.reynolds-2, I would be really interested to be involved in this project, please let me know how I can get involved! ---
**Author:** ![rtscott2001](https://sea1.discourse-cdn.com/flex001/user_avatar/awg.osdr.space/rtscott2001/32/5_2.png) [@rtscott2001](https://awg.osdr.space/u/rtscott2001)\ **Post date:** [December 12, 2024, 12:22am UTC](https://awg.osdr.space/t/directed-acyclic-graphs-project/34/20 "2024-12-12T00:22:40Z")
I do know that rob is out on travel, and likely wont be responding soon, BUT I will CC on an email Rich, because I am hoping the DAG subgroup gets re-enthused, as new goals and approaches are becoming more apparent [Next page](https://awg.osdr.space/t/directed-acyclic-graphs-project/34.md?page=2)