{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-15 06:49:22.884Z","domain":"sigmoid.social","followerCount":0,"followers":"https://sigmoid.social/users/blackhc/followers","following":"https://sigmoid.social/users/blackhc/following","followingCount":0,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/526/078/442/496/936/original/8f0b27c5c3dbe8ab.jpg","id":"nr6ce3vi94n1dh2","inbox":"https://sigmoid.social/users/blackhc/inbox","iri":"https://sigmoid.social/users/blackhc","isLocal":false,"last_fetched":"2026-01-06 15:31:57.663Z","outbox":"https://sigmoid.social/users/blackhc/outbox","preferred_username":"blackhc","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsuHkdHCVIWCFvVzfLadh\nTeFi0H04aCTx6Dsh+aWuWRcv9JxXxFNEoG54OJacPTlnrWdut6T6pYbYcO9sSAyZ\nTgV6QjJclXQgDPl7vTGq2THpAIoaKqCvVsS/+J5DPJPQARzliQeytMsd5hoMYs8i\niVz9xfP6CmPtJx2FGnBXbg8tNTBn0WUHnWhwSZVu4nMLL7VR+Lno9FtdRgChsHjz\n301On4wx9yhob3CFqVgT5hQ7rt4hrNHG7qYqNKplMe67t8+pU28Y5L3ggZ4jwG9f\n2IvVGj/1kJxjn+gkDrUvu8IIDTysMLjhjQVntZzh1fSTRTbJ65Ds0MXQ4V9apjV7\nUQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-12-17 00:00:00.000Z","summary":"

🧑‍🎓 DPhil @AIMS_oxford @UniofOxford
👤 Fellow @nwspk

Formerly: 🧙‍♂️ RE @DeepMind (1yr) 📺 SWE @Google (3yrs) 🎓 @TU_Muenchen

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Researcher on Robust Graph Machine Learning
PhD Student @ Technical University of Munich, DAML Group & relAI Fellow.

Quirk for Philosphy. He/Him

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Machine learning PhD student at Uni Tübingen. Thinking about probabilistic numerics, probabilistic ML and scientific computing.

I've open-sourced a bunch of probabilistic numerics code (https://github.com/pnkraemer) and I'm not planning on stopping anytime soon.

","updated":"2026-01-06 15:31:57.745Z","user":"","username":"Nicholas Krämer"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-22 04:45:49.286Z","domain":"sigmoid.social","followerCount":147,"followers":"https://sigmoid.social/users/gasteigerjo/followers","following":"https://sigmoid.social/users/gasteigerjo/following","followingCount":37,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/327/927/385/826/368/original/7e6708d2a8998cf2.jpg","id":"knm36z1ncbyr0po","inbox":"https://sigmoid.social/users/gasteigerjo/inbox","iri":"https://sigmoid.social/users/gasteigerjo","isLocal":false,"last_fetched":"2026-01-06 15:31:57.828Z","outbox":"https://sigmoid.social/users/gasteigerjo/outbox","preferred_username":"gasteigerjo","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwfhj/sVQ7LmKSdto8/5z\n6xoMaFnIA5HHm1JPaGlVV4GHuoOgZTP0s1aZrOI3PdkOKcZhQSc6n+WExOJT0sw3\nTcfPAwwSg4Z5Iy9/kVboIfq8LlXjW+nMMbyQsi/nStvRQoFV2iczaHQvoScBciIn\najVdkcJ3p0/7hbvyD8det4NQ9aasF3Mzx6jJHCCutVYRIXVm5WXhSC1toPHCXf9z\nrk4VEpq4O7eE3N2lsrKstYz82PBixcXUQ9MEdsr+k+m3i6L+AKumaG2kR7siknPh\n9gForZdmld/x3vtXcIbdmmsHAH0FMUg6ot2lbvBt1knWfDkHUXbb3+HQrVrd0qYk\niwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-12 00:00:00.000Z","summary":"

né Klicpera.

Safety for ML. ML for graphs.
Research Scientist at Google Research. Previously TUM, DeepMind, and FAIR.
Opinions my own.

","updated":"2026-01-06 15:31:57.828Z","user":"","username":"Johannes Gasteiger"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-23 06:14:02.269Z","domain":"sigmoid.social","followerCount":89,"followers":"https://sigmoid.social/users/bojchevski/followers","following":"https://sigmoid.social/users/bojchevski/following","followingCount":291,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/301/511/691/302/567/original/f3211dda35f6c8b7.png","id":"yi16tzkgbu2dcc3","inbox":"https://sigmoid.social/users/bojchevski/inbox","iri":"https://sigmoid.social/users/bojchevski","isLocal":false,"last_fetched":"2026-01-06 15:31:57.886Z","outbox":"https://sigmoid.social/users/bojchevski/outbox","preferred_username":"bojchevski","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA513u70AcjKeArO0tidaF\n8aUR2pYdtCuzka8CMELWXKvmIpkUksn4+OU/jFhY7U2Roh/UgP4CduaV2Zhz3RTB\n2FJP3MsfW1ea40lnbk/Y6UpCKKzCJ3iZZPFZhYjSaz+Jz6FyVo7DVuulNIFu4liX\nYhQrdzLIa7/N6+/eisx9CZN/yVi4suzVL1aiJ6WEKF4NzFoEIzPsvGQvmctADuF7\nih5yixmEFoIRYZZwA+jtENb0IXhecCVM5lRdT65rjDfdCtp9s0os50H7uAUVK+oq\nYqyQ0VIDH6Yb6H3CwrvEQOSQYa8Hjz1V3VTpx1fnfY+dQc+EDREcDBbPTS2Tdcbh\niQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-07 00:00:00.000Z","summary":"

Trustworthy and robust machine learning and ML for graphs. Professor at the University of Cologne. He/Him. 🏳️‍🌈

","updated":"2026-01-06 15:31:57.886Z","user":"","username":"Aleksandar Bojchevski"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-06 15:31:57.926Z","domain":"sigmoid.social","followerCount":0,"followers":"https://sigmoid.social/users/nicholasgao/followers","following":"https://sigmoid.social/users/nicholasgao/following","followingCount":0,"icon":"","id":"qre9eg4b7jeh1al","inbox":"https://sigmoid.social/users/nicholasgao/inbox","iri":"https://sigmoid.social/users/nicholasgao","isLocal":false,"last_fetched":"2026-01-06 15:31:57.926Z","outbox":"https://sigmoid.social/users/nicholasgao/outbox","preferred_username":"nicholasgao","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuCvE7zTQQMmlwYHxw/6S\nM2SJXHv1gzNGxcxEIL5h3DF02lJu9IH3MyXHFUag3JvXn23jp3B4oiuojgYu3QH6\nBkvp7DL18u2DeY4MEIplxIrsx7QEBkkLAoQv0L10TSdBUJ+jjeWEJbCeZ64QNULJ\nCs7q93rbRDvnGvcwZVbZszfn0CCI48GVM4kFKkSZvgyA4U4mKKyMKsPJ2n6wxcyv\n/+AhQdyHbt76xMKwPKjuHwdFgisQQ5wpJ0CRhEPxWWndIGlYbmbuUMO6ZJSd66H6\n4vrWl+w3v6eDDa7WgoT7wtal7mcD92/o6UzoW4I5pDtRUazHiaAKAKPKkBgnK13T\ngQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-06 00:00:00.000Z","summary":"

PhD Student @ TU Munich - Machine Learning on Graphs and Molecules

","updated":"2026-01-06 15:31:57.926Z","user":"","username":"Nicholas Gao"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-13 22:03:43.811Z","domain":"mastodon.social","followerCount":1020,"followers":"https://mastodon.social/users/emtiyaz/followers","following":"https://mastodon.social/users/emtiyaz/following","followingCount":95,"icon":"https://files.mastodon.social/accounts/avatars/109/234/786/690/409/742/original/f2da4c044f6a9c64.png","id":"ly3ngjyhgie473z","inbox":"https://mastodon.social/users/emtiyaz/inbox","iri":"https://mastodon.social/users/emtiyaz","isLocal":false,"last_fetched":"2026-01-06 15:31:58.100Z","outbox":"https://mastodon.social/users/emtiyaz/outbox","preferred_username":"emtiyaz","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq2OhMP8G6xgu61/SAyZ+\nfZFqnC5eoMCa38Tl5t2PrmI2C55bG+VUhaCJl924GsQJ7F6DAMKARygqFFAQeQ/R\n1x6GL1vC+1sGY4HLstbaMY4TF0FnLprYzCdNl4qsUd6gzrdbzM33M5Vc00J/80oX\nBdGlg72EG4sqjKKCFZWMnnCyf16WCPrMFTyb0DeBLK/uf4jPhXM3OOPAZdG6ND0I\nZXBDMUC9Ws9Irmt+uqnVWKKqFAmmPCQ9o0kBBCTQOK8ET/bVQwN4GqzI0kcxvwnE\nZge+9UfhMvb4zBpKxK+1TN3e3cmOU69bHTFQW7MV/kARG6812RHFmqUxMxPEnA4l\nTQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-26 00:00:00.000Z","summary":"

Team leader (tenured) at RIKEN AIP. Opinions my own. https://emtiyaz.github.io

","updated":"2026-01-06 15:31:58.100Z","user":"","username":"Emtiyaz Khan"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-06 15:31:58.129Z","domain":"sigmoid.social","followerCount":0,"followers":"https://sigmoid.social/users/shchur/followers","following":"https://sigmoid.social/users/shchur/following","followingCount":0,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/298/421/565/017/004/original/a7cd29e355133dcf.png","id":"4penixjkvbkmvnm","inbox":"https://sigmoid.social/users/shchur/inbox","iri":"https://sigmoid.social/users/shchur","isLocal":false,"last_fetched":"2026-01-06 15:31:58.128Z","outbox":"https://sigmoid.social/users/shchur/outbox","preferred_username":"shchur","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6+oyA7ooN+Vzz/wcMx2t\nvcbt31SfjE4JnNYDi5m92kfqb+gBpvg51IBGVsXKIon8Wo6QDzCjtgRW4JevwYPf\nkRAYk2g5P/SdomtLW1gY+Qajh0iDFlxCCRDpXjryTNYd05CS5V3ss7OhEiumUv0r\nfzhhE3Xj7XadJc/SKrFlAQYcEtQVop1ycQbIjgiZPJYpWp+WUbklhPkxl63nY4O9\nyVEbXukBZZEQmXz8L+2wiNvqFi2Gki8icDeTokpYUYm1k7gxH+onVTNB1Eh1ook0\nF81OJ56IEo5DKz6Dsgg1vNTc0m8Z3zlPtq116h2+9yBsoxKGlvzfhKySl7gzZo1q\nwQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-06 00:00:00.000Z","summary":"

Applied Scientist at AWS AI. PhD in Machine Learning from TU Munich.

","updated":"2026-01-06 15:31:58.129Z","user":"","username":"Oleksandr Shchur"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-26 06:24:29.154Z","domain":"sigmoid.social","followerCount":0,"followers":"https://sigmoid.social/users/guerranti/followers","following":"https://sigmoid.social/users/guerranti/following","followingCount":0,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/292/639/677/582/820/original/954979e03b1901cf.png","id":"l90z3iw0k0ypsib","inbox":"https://sigmoid.social/users/guerranti/inbox","iri":"https://sigmoid.social/users/guerranti","isLocal":false,"last_fetched":"2026-01-06 15:31:58.181Z","outbox":"https://sigmoid.social/users/guerranti/outbox","preferred_username":"guerranti","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw5R8RBuoxju+QD3Mu69K\nFj4Emhq6a9COn0G5juqeqXZgHlY/shq+on9CZiYiChJ2YFuCJnJFGd7GG/NWWQAz\nIXA6Bh5G1cGYxvPIQ90lrVr0/VcYlwxZ9Z6i0qeP8xqUbbX8tMDrFqwspaIDu6cA\nqphGwvYvvI2EOKJQAid7B1+yqc/noAIfNNABIxNe4l35TB3Bg3fcLrp7L7OMyCuP\nIEoqBcRHAqjbH0ZuVMoPnN8Xz12XtRXnXrFxprAonKPb+Hq2nCngybY12CsVed6B\nynAzS4yW/KcymAUDb3MKNeesx/4kKvKMLQovv9vRwGD5G500uLF0lugUuBRcO256\nFQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-05 00:00:00.000Z","summary":"

PhD Student in Data Analytics and Machine Learning @ TUM  I’m interested in #MachineLearning and #DeepLearning on #Graphs, #RelationalReasoning and #physical applications of #GraphNeuralNetworks.

","updated":"2026-01-06 15:31:58.181Z","user":"","username":"Filippo Guerranti"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-05 16:32:06.506Z","domain":"sigmoid.social","followerCount":0,"followers":"https://sigmoid.social/users/danielzuegner/followers","following":"https://sigmoid.social/users/danielzuegner/following","followingCount":0,"icon":"https://cdn.masto.host/sigmoidsocial/accounts/avatars/109/297/910/855/314/391/original/f36208c915ff7b87.jpg","id":"jxeavshgjc6ai05","inbox":"https://sigmoid.social/users/danielzuegner/inbox","iri":"https://sigmoid.social/users/danielzuegner","isLocal":false,"last_fetched":"2026-01-06 15:31:58.234Z","outbox":"https://sigmoid.social/users/danielzuegner/outbox","preferred_username":"danielzuegner","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAscWU4OKjnZTgHoJWLYH1\n5jWq1Od5o4bCm6sDIy7LFDSRxhlDoCoFWxEx6Np9UsuA8R3buVsgcAEqaMh1oPuK\nF0PS2YlQf3vpHhba7HRUHszRBlz4emplyt71YdRgt3INDFRBMdQEunBW8K47j9sd\nh5mt6U25HpudkKo6Od2gbDEm2UjL0AovnlSD6PBNSRQZr3vwHqGfj894ez5wiHTz\ny0AQOQVET0OKmSuUHkrSljyhfWfQxgEAQ06XoP67y6SCdqRg/89rciFjzKgq0NYi\nlxo/BuEm0DsY5h9mi1ZaQsPWs1hBCc/F7L30xWt1n97aIZ7UsNfwmYPiYo3NW/Ah\n4QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-06 00:00:00.000Z","summary":"

Researcher @ Microsoft Research AI4Science.
Before: PhD @ TU Munich, Intern @ Spotify, Amazon AWS.

I do research on #MachineLearning for structured data (e.g., molecules, graphs). I am interested in #robustness, #deeplearning, #uncertainty estimation.

Based in #Berlin.

","updated":"2026-01-06 15:31:58.234Z","user":"","username":"Daniel Zuegner"}],"page":1,"perPage":10,"totalItems":54,"totalPages":6}

Bertrand Charpentier

Following