“In order for us to produce language, we must combine elements into phrases and sentences. This ability is highly automatic and unconscious, so that we can focus our communication on what we are saying instead of how we are saying it. We automatically choose options that produce simple or complex …

“Our experiments showed that most open source stemmers resulted in either too many bad results from over-stemming (low precision) or too many missing results (low recall) compared to a lemmatizer. Rosette allowed us to optimize the balance between precision and recall to provide a superior experience for our customers’ searches.”