Universal Dependencies (UD) is an open collaboration project in the field of Natural Language Processing (NLP).
A Corpus is a collection of texts in electronic form used for linguistic research, using provided with digital tools to allow searching, analysis and research. Users can use these tools to find words and collocations in their original contexts, and determine their frequency in the corpus. The Czech National Corpus (CNC) is an academic project focusing on building a large electronic corpus of mainly written Czech. The Institute of the Czech National Corpus (ICNC), Faculty of Arts, Charles University in Prague oversees the development of the CNC, including its use in teaching, and advancing the field of the corpus linguistics.