Organism names are matched through NCBI Taxonomy: “soybean” → Glycine max. Claims whose organism was placed there count as matches whatever the abstract calls it (maize, corn, Zea mays).
“a high cut of the harvester's header, significant crushing and injury during harvesting, and violation of the post-harvest processing technology lead to losses and a decrease in the quality of commercial grain and seeds.”
Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.