# AI Infrastructure: Problem-first research in the Machine Relations Index

Canonical URL: https://machinerelations.ai/index/categories/ai-infrastructure/problem_first
Release mri_score_v2.0+2026-09-18+8fa38e54dd0a; methodology mri_score_v2.0; generated 2026-09-18; window 2026-05-10 to 2026-09-18; artifact 8fa38e54dd0a.

This is the public leaderboard for the exact AI Infrastructure / Problem-first research segment. Rates use the segment denominator only: 106 observed runs across 7 dates.

| Rank | Source | Source role | Citation rate | Cited runs | Observed runs | Run dates | Confidence |
|---|---|---|---:|---:|---:|---:|---|
| #1 of 212 | [Reddit](https://machinerelations.ai/index/domains/reddit.com) | Community and social platform | 21.70% | 23 | 106 | 7 | Unavailable |
| #2 of 212 | [Openai.com](https://machinerelations.ai/index/domains/openai.com) | Vendor-owned source | 16.04% | 17 | 106 | 7 | Unavailable |
| #3 of 212 | [Arxiv.org](https://machinerelations.ai/index/domains/arxiv.org) | Academic and government source | 15.09% | 16 | 106 | 7 | Unavailable |
| #4 of 212 | [YouTube](https://machinerelations.ai/index/domains/youtube.com) | Search or media platform | 15.09% | 16 | 106 | 7 | Unavailable |
| #5 of 212 | [Dev.to](https://machinerelations.ai/index/domains/dev.to) | Community and social platform | 14.15% | 15 | 106 | 7 | Unavailable |
| #6 of 212 | [LinkedIn](https://machinerelations.ai/index/domains/linkedin.com) | Community and social platform | 13.21% | 14 | 106 | 7 | Unavailable |
| #7 of 212 | [Medium](https://machinerelations.ai/index/domains/medium.com) | Editorial publication | 13.21% | 14 | 106 | 7 | Unavailable |
| #8 of 212 | [Labelstud.io](https://machinerelations.ai/index/domains/labelstud.io) | Other observed source | 11.32% | 12 | 106 | 7 | Unavailable |
| #9 of 212 | [Towardsdatascience.com](https://machinerelations.ai/index/domains/towardsdatascience.com) | Market and company database | 11.32% | 12 | 106 | 7 | Unavailable |
| #10 of 212 | [Github.com](https://machinerelations.ai/index/domains/github.com) | Community and social platform | 9.43% | 10 | 106 | 7 | Unavailable |
| #11 of 212 | [Towardsai.net](https://machinerelations.ai/index/domains/towardsai.net) | Other observed source | 9.43% | 10 | 106 | 7 | Unavailable |
| #12 of 212 | [K-ai.ai](https://machinerelations.ai/index/domains/k-ai.ai) | Other observed source | 6.60% | 7 | 106 | 7 | Unavailable |
| #13 of 212 | [Mbrenndoerfer.com](https://machinerelations.ai/index/domains/mbrenndoerfer.com) | Other observed source | 6.60% | 7 | 106 | 7 | Unavailable |
| #14 of 212 | [Stackoverflow.com](https://machinerelations.ai/index/domains/stackoverflow.com) | Community and social platform | 6.60% | 7 | 106 | 7 | Unavailable |
| #15 of 212 | [Atlan.com](https://machinerelations.ai/index/domains/atlan.com) | Vendor-owned source | 5.66% | 6 | 106 | 7 | Unavailable |
| #16 of 212 | [Roguedigital.ai](https://machinerelations.ai/index/domains/roguedigital.ai) | Other observed source | 5.66% | 6 | 106 | 7 | Unavailable |
| #17 of 212 | [Usc.edu](https://machinerelations.ai/index/domains/usc.edu) | Academic and government source | 5.66% | 6 | 106 | 7 | Unavailable |
| #18 of 212 | [Infoservices.com](https://machinerelations.ai/index/domains/infoservices.com) | Other observed source | 4.72% | 5 | 106 | 7 | Unavailable |
| #19 of 212 | [Snorkel.ai](https://machinerelations.ai/index/domains/snorkel.ai) | Academic and government source | 4.72% | 5 | 106 | 7 | Unavailable |
| #20 of 212 | [Substack.com](https://machinerelations.ai/index/domains/substack.com) | Community and social platform | 4.72% | 5 | 106 | 7 | Unavailable |
| #21 of 212 | [Chatnexus.io](https://machinerelations.ai/index/domains/chatnexus.io) | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #22 of 212 | [Clinrag.com](https://machinerelations.ai/index/domains/clinrag.com) | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #23 of 212 | [Customgpt.ai](https://machinerelations.ai/index/domains/customgpt.ai) | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #24 of 212 | [Instagram.com](https://machinerelations.ai/index/domains/instagram.com) | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #25 of 212 | [Owlish.bot](https://machinerelations.ai/index/domains/owlish.bot) | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #26 of 212 | [Readthedocs.io](https://machinerelations.ai/index/domains/readthedocs.io) | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #27 of 212 | [Stanford.edu](https://machinerelations.ai/index/domains/stanford.edu) | Academic and government source | 3.77% | 4 | 106 | 7 | Unavailable |
| #28 of 212 | [Aiwiki.ai](https://machinerelations.ai/index/domains/aiwiki.ai) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #29 of 212 | [Anthropic.com](https://machinerelations.ai/index/domains/anthropic.com) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #30 of 212 | [Berkeley.edu](https://machinerelations.ai/index/domains/berkeley.edu) | Academic and government source | 2.83% | 3 | 106 | 7 | Unavailable |
| #31 of 212 | [Cornell.edu](https://machinerelations.ai/index/domains/cornell.edu) | Academic and government source | 2.83% | 3 | 106 | 7 | Unavailable |
| #32 of 212 | [Edtek.ai](https://machinerelations.ai/index/domains/edtek.ai) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #33 of 212 | [Github.io](https://machinerelations.ai/index/domains/github.io) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #34 of 212 | [HackerNoon](https://machinerelations.ai/index/domains/hackernoon.com) | Editorial publication | 2.83% | 3 | 106 | 7 | Unavailable |
| #35 of 212 | [Mesour.com](https://machinerelations.ai/index/domains/mesour.com) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #36 of 212 | [Milvus.io](https://machinerelations.ai/index/domains/milvus.io) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #37 of 212 | [Optyxstack.com](https://machinerelations.ai/index/domains/optyxstack.com) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #38 of 212 | [Particula.tech](https://machinerelations.ai/index/domains/particula.tech) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #39 of 212 | [Plainenglish.io](https://machinerelations.ai/index/domains/plainenglish.io) | Vendor-owned source | 2.83% | 3 | 106 | 7 | Unavailable |
| #40 of 212 | [Redis.io](https://machinerelations.ai/index/domains/redis.io) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #41 of 212 | [Runwayml.com](https://machinerelations.ai/index/domains/runwayml.com) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #42 of 212 | [Techbusinessnews.com.au](https://machinerelations.ai/index/domains/techbusinessnews.com.au) | Editorial publication | 2.83% | 3 | 106 | 7 | Unavailable |
| #43 of 212 | [Tianpan.co](https://machinerelations.ai/index/domains/tianpan.co) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #44 of 212 | [Twig.so](https://machinerelations.ai/index/domains/twig.so) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #45 of 212 | [Umd.edu](https://machinerelations.ai/index/domains/umd.edu) | Academic and government source | 2.83% | 3 | 106 | 7 | Unavailable |
| #46 of 212 | [Vexxhost.com](https://machinerelations.ai/index/domains/vexxhost.com) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #47 of 212 | [Y Combinator](https://machinerelations.ai/index/domains/ycombinator.com) | Community and social platform | 2.83% | 3 | 106 | 7 | Unavailable |
| #48 of 212 | [Zenithlaw.com](https://machinerelations.ai/index/domains/zenithlaw.com) | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #49 of 212 | [Ai-navigate-news.com](https://machinerelations.ai/index/domains/ai-navigate-news.com) | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #50 of 212 | [Ai Journal](https://machinerelations.ai/index/domains/aijourn.com) | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #51 of 212 | [Alibaba.com](https://machinerelations.ai/index/domains/alibaba.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #52 of 212 | [Amazon.com](https://machinerelations.ai/index/domains/amazon.com) | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #53 of 212 | [Analyticsvidhya.com](https://machinerelations.ai/index/domains/analyticsvidhya.com) | Market and company database | 1.89% | 2 | 106 | 7 | Unavailable |
| #54 of 212 | [Applaudhr.com](https://machinerelations.ai/index/domains/applaudhr.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #55 of 212 | [Asc.ac.at](https://machinerelations.ai/index/domains/asc.ac.at) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #56 of 212 | [Beykeworkflows.com](https://machinerelations.ai/index/domains/beykeworkflows.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #57 of 212 | [Braincuber.com](https://machinerelations.ai/index/domains/braincuber.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #58 of 212 | [Deepchecks.com](https://machinerelations.ai/index/domains/deepchecks.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #59 of 212 | [Denser.ai](https://machinerelations.ai/index/domains/denser.ai) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #60 of 212 | [Digitalocean.com](https://machinerelations.ai/index/domains/digitalocean.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #61 of 212 | [Easydataworld.com](https://machinerelations.ai/index/domains/easydataworld.com) | Market and company database | 1.89% | 2 | 106 | 7 | Unavailable |
| #62 of 212 | [Egain.com](https://machinerelations.ai/index/domains/egain.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #63 of 212 | [Epfl.ch](https://machinerelations.ai/index/domains/epfl.ch) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #64 of 212 | [Facebook.com](https://machinerelations.ai/index/domains/facebook.com) | Community and social platform | 1.89% | 2 | 106 | 7 | Unavailable |
| #65 of 212 | [Forbes](https://machinerelations.ai/index/domains/forbes.com) | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #66 of 212 | [Freecodecamp.org](https://machinerelations.ai/index/domains/freecodecamp.org) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #67 of 212 | [Geodocs.dev](https://machinerelations.ai/index/domains/geodocs.dev) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #68 of 212 | [Happysupport.ai](https://machinerelations.ai/index/domains/happysupport.ai) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #69 of 212 | [Hashnode.dev](https://machinerelations.ai/index/domains/hashnode.dev) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #70 of 212 | [Hidekazu-konishi.com](https://machinerelations.ai/index/domains/hidekazu-konishi.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #71 of 212 | [Huggingface.co](https://machinerelations.ai/index/domains/huggingface.co) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #72 of 212 | [Ibm.com](https://machinerelations.ai/index/domains/ibm.com) | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #73 of 212 | [Ituonline.com](https://machinerelations.ai/index/domains/ituonline.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #74 of 212 | [Kapa.ai](https://machinerelations.ai/index/domains/kapa.ai) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #75 of 212 | [Knowledgesdk.com](https://machinerelations.ai/index/domains/knowledgesdk.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #76 of 212 | [Microsoft.com](https://machinerelations.ai/index/domains/microsoft.com) | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #77 of 212 | [Northeastern.edu](https://machinerelations.ai/index/domains/northeastern.edu) | Academic and government source | 1.89% | 2 | 106 | 7 | Unavailable |
| #78 of 212 | [Nvidia.com](https://machinerelations.ai/index/domains/nvidia.com) | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #79 of 212 | [Politifact.com](https://machinerelations.ai/index/domains/politifact.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #80 of 212 | [Rootcode.in](https://machinerelations.ai/index/domains/rootcode.in) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #81 of 212 | [Stonybrook.edu](https://machinerelations.ai/index/domains/stonybrook.edu) | Academic and government source | 1.89% | 2 | 106 | 7 | Unavailable |
| #82 of 212 | [Swirlaiconnect.com](https://machinerelations.ai/index/domains/swirlaiconnect.com) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #83 of 212 | [Unstructured.io](https://machinerelations.ai/index/domains/unstructured.io) | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #84 of 212 | [Wonderchat.io](https://machinerelations.ai/index/domains/wonderchat.io) | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #85 of 212 | [Aau.dk](https://machinerelations.ai/index/domains/aau.dk) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #86 of 212 | [Acm.org](https://machinerelations.ai/index/domains/acm.org) | Academic and government source | 0.94% | 1 | 106 | 7 | Unavailable |
| #87 of 212 | [Agentc2.ai](https://machinerelations.ai/index/domains/agentc2.ai) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #88 of 212 | [Aimagicx.com](https://machinerelations.ai/index/domains/aimagicx.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #89 of 212 | [Alhena.ai](https://machinerelations.ai/index/domains/alhena.ai) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #90 of 212 | [Alliancecan.ca](https://machinerelations.ai/index/domains/alliancecan.ca) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #91 of 212 | [Aminrj.com](https://machinerelations.ai/index/domains/aminrj.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #92 of 212 | [Anl.gov](https://machinerelations.ai/index/domains/anl.gov) | Academic and government source | 0.94% | 1 | 106 | 7 | Unavailable |
| #93 of 212 | [Answeroverflow.com](https://machinerelations.ai/index/domains/answeroverflow.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #94 of 212 | [Apxml.com](https://machinerelations.ai/index/domains/apxml.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #95 of 212 | [Arccompute.io](https://machinerelations.ai/index/domains/arccompute.io) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #96 of 212 | [Bgu.ac.il](https://machinerelations.ai/index/domains/bgu.ac.il) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #97 of 212 | [Bigglobaltravel.com](https://machinerelations.ai/index/domains/bigglobaltravel.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #98 of 212 | [Boristane.com](https://machinerelations.ai/index/domains/boristane.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #99 of 212 | [Broadcom.com](https://machinerelations.ai/index/domains/broadcom.com) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #100 of 212 | [Buzzi.ai](https://machinerelations.ai/index/domains/buzzi.ai) | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |

## Citation

AI Infrastructure / Problem-first research: 212 observed source domains in the leaderboard, 2026-05-10 to 2026-09-18, mri_score_v2.0, mri_score_v2.0+2026-09-18+8fa38e54dd0a, https://machinerelations.ai/index/categories/ai-infrastructure/problem_first.