As a consequence, these approaches typically select a limited subset of features from a single data set (WALS) and focus on a single aspect of variation (typically word order).
typological databases also cover other important features, related to predicate-argument structure (ValPaL), phonology (LAPSyD, PHOIBLE, StressTyp2), and lexical semantics (IDS, ASJP), which are currently largely neglected by the multilingual NLP community.