rexby ren.
9 subjects·68,035 items

Search the archive.

Find questions, notes, and PDF pages across subjects. Hybrid search combines keyword matching with semantic similarity.

More subjects coming soon
Best results. BM25 + semantic vector + cross-encoder rerank fused together.Pure keyword search (FTS5/BM25). Fast and exact — use when you know the term.Vector similarity only. Finds conceptual matches even when keywords don't overlap.
Coverage and topic breakdown for H1 General Paper
  • Type a query above to search the archive.