Domain adaptation on frozen PLM embeddings helps small general backbones transfer to a restricted financial subset but gives negligible SST-2 gains and can degrade FinBERT under adversarial alignment.
How Contaminated Is Your Benchmark? Measuring Dataset Leakage in Large Language Models with Kernel Divergence
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Is Domain Adaptation Always Helpful? A Frozen-Backbone Study of Cross-Domain Sentiment Transfer
Domain adaptation on frozen PLM embeddings helps small general backbones transfer to a restricted financial subset but gives negligible SST-2 gains and can degrade FinBERT under adversarial alignment.