I profess CS-ly at @UWaterloo about NLP/IR/LLM-ish things. I science at @yupp_ai and @Primal. Previously, I monkeyed code for @Twitter and slides for @Cloudera.cs.uwaterloo.ca/~jimmylin/ Nearby data lakeJoined February 2010
1/7 Exciting news! Our new paper is out: Lighting the Way for BRIGHT: Reproducible Baselines with Anserini, Pyserini, and RankLLM
📄Paper: arxiv.org/abs/2509.02558
It’s about retrieval, RAG, and why a twist on BM25 might matter more than you think. 🧵
🚀New dataset release: WildChat-4.8M
4.8M real user-ChatGPT conversations collected from our public chatbots:
- 122K from reasoning models (o1-preview, o1-mini): represent real uses in the wild and very costly to collect
- 2.5M from GPT-4o
🔗 hf.co/datasets/allen… (1/4)
🚀New dataset release: WildChat-4.8M
4.8M real user-ChatGPT conversations collected from our public chatbots:
- 122K from reasoning models (o1-preview, o1-mini): represent real uses in the wild and very costly to collect
- 2.5M from GPT-4o
🔗 hf.co/datasets/allen… (1/4)
🚀 Introducing BrowseComp-Plus: A More Fair and Transparent Evaluation Benchmark of Deep-Research Agent.
It is a new Deep-Research evaluation benchmark built on top of BrowseComp. It features
- 📚 a fixed, carefully curated corpus of web documents
- ✅ human-verified positive…
I'm being featured on the @UWaterloo main site at uwaterloo.ca today! uwaterloo.ca/news/mathemati…
Is it possible for a professor to successfully bridge academic research and industry innovation? The answer, it turns out, is @yupp_ai
9K Followers 2K FollowingMachine learning scientist and engineer speaking πtorch & C++. Past @LTIatCMU, @awscloud. Opinions sampled from MY OWN 100T param LM.
5K Followers 1K FollowingAssociate Professor, CMU. Researcher, Google. Evaluation and design of information retrieval and recommendation systems, including their societal impacts.
77K Followers 2K Followinga combination of a mediocre scientist, a mediocre manager, a mediocre advisor & a mediocre physicist at @nyuniversity (@CILVRatNYU) & @PrescientDesign
57K Followers 568 FollowingAssistant Prof of CS @UWaterloo, Faculty @VectorInst, Canada @CIFAR_News AI Chair. Joining @NYU_Courant September 2026. Co-EiC @TmlrOrg. I lead @TheSalonML.
2K Followers 590 Followinghe/him · Senior Lecturer (Assoc. Professor) at @GlasgowCS @TerrierTeam · working at the intersection of IR&NLP · PhD from @Georgetown IRLab
11K Followers 1K FollowingI like tokens! I lead the OLMo data team at @allen_ai w/ @kylelostat. Open source is fun 🤖☕️🍕🏳️🌈 Opinions are sampled from my own stochastic parrot
50K Followers 3K FollowingAI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. I think you should join @givingwhatwecan.
6K Followers 783 FollowingJohn C Malone Professor at @JohnsHopkins @JHUCompSci @jhuclsp @jhumceh; Part time @techatbloomberg (tweets my own)
@mdredze.bsky.social🦋
63 Followers 2K FollowingData & AI @ ENSAE 🤖 | From Dakar to Paris to the world 🌍 | Founder mindset ⚡ | (finance • media • sport • NLP • Crypto ) | Legacy. Growth. Impact.
2K Followers 4K FollowingI believe the TSP burden upon logistics will be alleviated by QIS. No SME on anything. Not advisory to anyone. Just exploring…
6K Followers 7K FollowingFOLLOWS YOU 🫵 https://t.co/F7MzDOTC1k
ML/AI, R&D eng, quant trading, ASR in noise, TTS.
OPEN weights, thoughts, ... AGI, ASI - open AI computation for */acc—NOW 🥰
447 Followers 4K FollowingResearcher by day at Amazon. Interested in Machine Learning, Networks, Probability. Fan of South Indian Food. Dabbles in arm chair philosophy.
401 Followers 2K FollowingI am Musa Ibrahim by name and i was born in 1996 in Potiskum local government of Yobe State, Nigeria. NZ5567SZ, D72CSCTH, 3K44RVUQ
16 Followers 346 FollowingSenior AI Scientist @ https://t.co/o534NzezoC |
Btech in CS and Masters in Bio from BITS Goa | radiolgogy workflows | Biomedical Imaging | Evidence based health care
944 Followers 5K FollowingPhD candidate @umsi with @libbyh.
Data Science, ICTD, Politics, Race, Social Media
Prev:@msftresearch @BITSPilaniGoa @iitdelhi @WorldBank
18 Followers 422 Followingcandidate master student looking for PhD or any research position in computer science, blockchain, quantum cryptography, nlp and LLMs
9K Followers 2K FollowingMachine learning scientist and engineer speaking πtorch & C++. Past @LTIatCMU, @awscloud. Opinions sampled from MY OWN 100T param LM.
5K Followers 1K FollowingAssociate Professor, CMU. Researcher, Google. Evaluation and design of information retrieval and recommendation systems, including their societal impacts.
77K Followers 2K Followinga combination of a mediocre scientist, a mediocre manager, a mediocre advisor & a mediocre physicist at @nyuniversity (@CILVRatNYU) & @PrescientDesign
57K Followers 568 FollowingAssistant Prof of CS @UWaterloo, Faculty @VectorInst, Canada @CIFAR_News AI Chair. Joining @NYU_Courant September 2026. Co-EiC @TmlrOrg. I lead @TheSalonML.
2K Followers 590 Followinghe/him · Senior Lecturer (Assoc. Professor) at @GlasgowCS @TerrierTeam · working at the intersection of IR&NLP · PhD from @Georgetown IRLab
11K Followers 1K FollowingI like tokens! I lead the OLMo data team at @allen_ai w/ @kylelostat. Open source is fun 🤖☕️🍕🏳️🌈 Opinions are sampled from my own stochastic parrot
50K Followers 3K FollowingAI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. I think you should join @givingwhatwecan.
6K Followers 783 FollowingJohn C Malone Professor at @JohnsHopkins @JHUCompSci @jhuclsp @jhumceh; Part time @techatbloomberg (tweets my own)
@mdredze.bsky.social🦋
1K Followers 793 FollowingStaff Researcher @AlibabaGroup. Previously @MBZUAI, PhD from @ml_labs_irl and @dcucomputing @dcu interested in Large Language Models (LLMs).
56K Followers 853 FollowingFiguring out AI @allen_ai, open models, RLHF, fine-tuning, etc
Contact via email.
Writes @interconnectsai
Wrote The RLHF Book
Mountain runner
4K Followers 416 FollowingOptimize cost & performance with AI platforms powered by our industry-leading SLMs: Arcee Conductor for model routing, & Arcee Orchestra for agentic workflows.
18K Followers 1K FollowingProfessor @ UCSB (@ucsantabarbara). Head of Research @SimularAI. Interim Director @ucsbcrml. #Multimodal #Embodied #Agents. AI for Humanity in the long run.
49K Followers 9K FollowingI lead @Cohere_Labs. Formerly Research @Google Brain @GoogleDeepmind. ML Efficiency at scale, LLMs, ML reliability. Changing spaces where breakthroughs happen.
1K Followers 614 FollowingMember of Technical Staff in Retrieval-Augmented Generation Team @cohere, previously PhD in neural Information Retrieval @tu_wien
20K Followers 2 FollowingDuckDB is an analytical in-process SQL database management system. "DuckDB" and the DuckDB logo are registered trademarks of the DuckDB Foundation.
73K Followers 3 FollowingThe best AI, all in one place. GPT-5, Grok 4, Claude 4.1, Veo 3 and more. At https://t.co/N5CdbrNcSa, or for iOS, Android, Mac, or Windows at https://t.co/YyFq8FS0ph
3K Followers 836 FollowingAssistant Professor @UWCheritonCS, @CIFAR_News AI Chair @VectorInst, @ReviewAcl Co-CTO | PhD @TTIC_Connect | Excited about "grounding" in any form
17K Followers 2K FollowingMachine Learning at @Nvidia, 6x Kaggle Grandmaster CPMP. ENS Ulm alumni. ML PhD. Ex ILOG CPLEX, IBM. Views are my own. Blocking ad hominem attacks.
4K Followers 2K Following* SVP eng at @snowflakedb.
* AI + search at @snowflakedb.
* Co-founder @Neeva . #NeevaAI = AI search.
* Ex-VP of Eng @Google (ads,YT, Google Now)
637K Followers 35 FollowingWe're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.
108K Followers 4 FollowingCohere builds secure, scalable, and private enterprise-grade AI solutions for real-world business problems. Join us: https://t.co/Yb2xItMObl
4.3M Followers 3 FollowingOpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6Lg202