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corpus-search

Semantic search over critical minerals PDF corpus — rare earth, lithium, cobalt, nickel supply chain, trade policy, extraction, and materials research via Pinecone

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# Corpus Search — Critical Minerals PDF Corpus

Semantic search over a local collection of critical minerals PDFs (USGS, UN Comtrade, World Bank, SEC, WTO, Mindat, MinCan reports). Documents are chunked, embedded with `llama-text-embed-v2`, and stored in a Pinecone index for fast similarity search.

## Usage

### Search the corpus:
```bash
python3 {baseDir}/scripts/search_corpus.py --query "rare earth separation techniques"
```

### Filter by commodity:
```bash
python3 {baseDir}/scripts/search_corpus.py --query "supply chain risks" --commodity lithium