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cs.LG2026
Towards interpreting any residual stream direction by scaling activation inversion
Celeste De Schamphelaere, Juan J. Vazquez, Ari Spiesberger +4
To interpret a direction in a language model's residual stream, we can look for text that strongly activates it. But when such text is found by scanning a corpus, it is limited to…
cs.LG2026
Soft Contamination Means Benchmarks Test Shallow Generalization
Ari Spiesberger, Juan J. Vazquez, Nicky Pochinkov +4
If LLM training data is polluted with benchmark test data, then benchmark performance gives biased estimates of out-of-distribution (OOD) generalization. Typical decontamination fi…