linguistics cldf:Wordlist historical linguistics computer-assisted language comparison bibliography sequence comparison cognate detection computational linguistics software documentation Chinese Chinese characters Chinese dialects Chinese linguistics Concepticon ancestral state reconstruction average mutual coverage cldf:StructureDataset comparative method cross-linguistic phonetic alphabet evaluation international phonetic alphabet language typology lingpy linguistic reconstruction minimal lateral networks network approaches phonetic alignment phonetic transcription phylogenetic networks phylogenetic reconstruction prediction sound correspondence patterns word prediction wordlists