Example image of eyePlorer eyePlorer map for 'Stemming': Morphology (linguistics) Root (linguistics) Word stem Algorithm Computer science Conflation Index (search engine) Natural language processing Query expansion Web search engine English language String literal Martin Porter Tony Kent Strix award Snowball programming language Brute-force search Lexical category Lemmatisation Stochastic Affix Linguistics Prefix Suffix Type I and type II errors Information retrieval World Wide Web N-gram Google search Derivation (linguistics) Lemma (linguistics) Text mining METEOR Ultralingua Electronic dictionary Stop words RetrievalWare Concept Search Enterprise search Full text search Recoll Spell checker Keyword Services Platform Google search features Dan Wagner Search engine technology Conflation (disambiguation) List of algorithms Tag (metadata)