Lemmatization of Multi-word Common Noun Phrases and Named Entities in Polish
In the paper we present a tool for lemmatization of multi-word common noun phrases and named entities for Polish called LemmaPL. The tool is based on a set of manually crafted rules and heuristics utilizing a set of dictionaries (including morphological, named entities and inflection patterns). The accuracy of lemmatization obtained by the tool reached 97.99{\%} on a dataset with multi-word common noun phrases and 86.17{\%} for case-sensitive evaluation on a dataset with named entities.
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