rishabh ranjan

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rishabh ranjan

rishabh ranjan

@_rishabhranjan_

Stanford CS PhD w @jure and @guestrin. Prev. CMU w @zacharylipton, IIT Delhi. I like neural networks.

Stanford, CA Katılım Mart 2022
229 Takip Edilen283 Takipçiler
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rishabh ranjan
rishabh ranjan@_rishabhranjan_·
Transformers are great for sequences, but most business-critical predictions (e.g. product sales, customer churn, ad CTR, in-hospital mortality) rely on highly-structured relational data where signal is scattered across rows, columns, linked tables and time. Excited to finally share what I have been working on over the last year: a Foundation Model architecture which brings the power of Transformers to relational domains, enabling large-scale pretraining and zero-shot generalization in enterprise settings. 🧵1/n
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Marcel Rød
Marcel Rød@marcelroed·
Introducing the world's fastest tokenizer implementation, Gigatoken! Gigatoken is ~500-1000x faster than HuggingFace, and ~100x faster than OpenAI's tiktoken for most tokenizer definitions on most machines. These baselines are already multithreaded Rust implementations! 🧵
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nor
nor@norxornor·
If independently initialized nets see the same ordered minibatches, their detrended losses can align step by step, increasingly so with width. We treat this more generally and analyze the two main sources of noise in a training run - data and initialization. This leads to some more general results. (1/n)
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rishabh ranjan
rishabh ranjan@_rishabhranjan_·
Excited to present PluRel tomorrow (Jul 7) at ICML 🇰🇷! Also, @kvignesh1420 has some fabulous ✨interactive visualizations✨ on the new website, check them out!!
Vignesh Kothapalli@kvignesh1420

🎉🎉 PluRel will be presented at #ICML2026 🎉🎉 Date: Tue, Jul 7, 2026 • 10:30 AM – 12:15 PM KST Location: HALL A #2715 by co-author: @_rishabhranjan_ ! Also checkout our latest website for interactive visualizations, access to code, models and data: star-project.stanford.edu/plurel/

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Vignesh Kothapalli
Vignesh Kothapalli@kvignesh1420·
Can reasoning models become overly reliant on chain-of-thought examples? 🤔 Our #ACL2026 work shows excessive CoT supervision is not always beneficial, and gives a recipe for tuning the CoT fraction to improve novel-task accuracy. 🧵 Website: kvignesh1420.github.io/cot-icl-lab
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Vignesh Kothapalli
Vignesh Kothapalli@kvignesh1420·
Thoroughly enjoyed the discussions on PluRel and Relational Foundation Models during the talk! Thanks to an amazing audience @tempgraph_rg Slides: drive.google.com/file/d/1oF-hNY… Website: snap-stanford.github.io/plurel/ Github: github.com/snap-stanford/…
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temporal graph learning reading group@tempgraph_rg

📚 Today at the Reading Group, Thu, Feb 26, 11am EST, we’re excited to host Vignesh Kothapalli @kvignesh1420 (Stanford University) presenting: PLUREL: Synthetic Data Unlocks Scaling Laws for Relational Foundation Models zoom link on our website See you there! 🚀

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rishabh ranjan
rishabh ranjan@_rishabhranjan_·
Enjoyed presenting our ICLR 2026 work (Relational Transformer) at the TGL reading group today. Thanks for the insightful discussion! Slides from today: drive.google.com/file/d/1CPSUZC… Paper: arxiv.org/abs/2510.06377 Code, data, models: github.com/snap-stanford/…
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temporal graph learning reading group@tempgraph_rg

This Thursday (Feb 19, 11am EST) at the reading group: Rishabh Ranjan (Stanford) presents Relational Transformer: Toward Zero-Shot Foundation Models for Relational Data. Paper & code: github.com/snap-stanford/… Hope to see you there! zoom link on website!

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rishabh ranjan
rishabh ranjan@_rishabhranjan_·
Excited to talk about our recent work on Relational Transformers at the TGL Reading Group tomorrow. Please drop by on Feb 19, 11am EST (see shenyanghuang.github.io/rg.html for Zoom link).
temporal graph learning reading group@tempgraph_rg

This Thursday (Feb 19, 11am EST) at the reading group: Rishabh Ranjan (Stanford) presents Relational Transformer: Toward Zero-Shot Foundation Models for Relational Data. Paper & code: github.com/snap-stanford/… Hope to see you there! zoom link on website!

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rishabh ranjan
rishabh ranjan@_rishabhranjan_·
@navneet_rabdiya Yes! We use Hierarchical Stochastic Block Model (HSBM) to randomly sample bipartite graphs that capture realistic foreign--primary key relationship patterns. Please check the paper for more details.
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Navneet
Navneet@navneet_rabdiya·
@_rishabhranjan_ The real challenge w/ synthetic data for RFMs is maintaining referential integrity and realistic join cardinality distributions. Curious if you're using any specialized techniques for handling n:m relationships in your generator?
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Vignesh Kothapalli
Vignesh Kothapalli@kvignesh1420·
Relational Foundation Models face a scaling problem: diverse training datasets are rarely public due to privacy constraints 🔒. 🚀 We are excited to introduce "PluRel": a framework that synthesizes diverse multi-table relational databases from scratch, unlocking scaling laws for RFMs. 🧵 Kudos to the amazing collaborators at @StanfordAILab @Kumo_ai_team , and @SAP : @_rishabhranjan_ @VHudovernik @vijaypradwi @johanneshoffart @guestrin @jure
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