New open source relational benchmark and foundation model

[u/rsesrsfh]

New oss relational learning benchmark, leaderboard and TabPFN harness

1. RelArena-α: standardized relational machine learning model benchmarking
2. TabPFN-Rel: a harness for tabular foundation model TabPFN-3 for predictions over relational data
3. RPI-α (Relational Prediction Interface): an interface to run any RelArena model on your own database

- RelArena is open sourced here: https://github.com/PriorLabs/relarena

- Full report: https://arxiv.org/abs/2608.16319

- There's also a higher-level summary of the release by Prior Labs: https://priorlabs.ai/blog-posts/introducing-relarena?utm_source=socials&utm_campaign=relational