Indonesian Review Sentiment API
A fine-tuned IndoBERT model behind a small API that classifies product reviews in Bahasa Indonesia.
dataapiml
F1 0.71 → 0.89 · IEEE paper
Problem
Off-the-shelf sentiment models misread Indonesian slang and mixed-language reviews.
Approach
I labelled 2,000 marketplace reviews, fine-tuned IndoBERT and served it behind FastAPI with request batching.
POST /v1/sentiment {"text": "barangnya mantap, pengiriman lama"}Outcome
F1 of 0.89 against 0.71 for the baseline. Published at an IEEE conference.
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