{"product":"bm25-rank","free":true,"input":{"query":"solar panel efficiency","texts":"Solar panel efficiency depends on temperature.||Wind turbines need steady wind.||Panel cleaning raises solar output.","top":3},"output":{"ok":true,"result":{"valid":true,"method":"Okapi BM25, k1=1.2, b=0.75, IDF=ln(1+(N-n+0.5)/(n+0.5))","separator":"||","total_texts":3,"nonempty_texts":3,"query_terms":["solar","panel","efficiency"],"count":2,"matches":[{"index":0,"score":1.8274,"preview":"Solar panel efficiency depends on temperature.","truncated":false,"matched_terms":["solar","panel","efficiency"]},{"index":2,"score":0.9647,"preview":"Panel cleaning raises solar output.","truncated":false,"matched_terms":["solar","panel"]}],"matching_texts":2},"warnings":[]},"paid_url":"https://forge.fizzl.eu/p/bm25-rank"}