Searches 302 wiki articles. Results are ranked with BM25F, and misspelled words are corrected.
okapi bm25 | articles with any of the words, best matches first |
"inverted index" | an exact phrase |
+stemmer | the word must appear |
bm25 -bm25f | leave out articles with a word or phrase |
title:pagerank | the word must be in the title (also summary:, heading:, body:) |
crawl* | any word beginning with crawl |
(μ,λ)-ES or mu lambda | Greek letters, by symbol or name, also in the articles' mathematics |
(stemming OR lemmatization) AND NOT porter | Boolean queries; NOT binds tightest, then AND, then OR |