Insert label here Insert version here Insert comment here The Protege metadata ontology (in the version that is used inside Protege. Note that this is an OWL Full ontology, with annotation properties that have range and domain restrictions. However, the "official" online release of this file is OWL DL, so that ontologies that use Protege metadata annotations can still be shared as OWL DL. We provisionally assume this feature to take on just the values Positive and Negative. As a morphosyntactic feature, generally only Negative is "marked", i.e. associated with a linguistic expression. In general, positive polarity refers to an assertion that contains no marker of negation (Crystal 1980: 299). positive negative A construction that expresses the contradiction of some or all of a proposition (Crystal 1980: 257). Note: this value is not to be confused with the notion "Negative Polarity Item", which is an expression that occurs in the scope of Negation (i.e. Negative Polarity).