Research projects ; Sampling; Language corpus; Sprachkorpus; Datensammlung; Data collection; Textkorpus (method.) ; Text corpus (method.) ; Corpus linguistics ; Media language ; Wörterbuchvergleich; Evaluation criterion (lexicography) ; Idiotikon; Mundartwörterbuch; Dialect dictionary ; Bilingual dictionary ; Plattdeutsch; Low German dialects