TimeML schema TANGO A TimeMLID is a sequence of lowercase letters followed by a number (decimal digits). A EventID is an e followed by a number (decimal digits). A EventInstanceID is an ei followed by a number (decimal digits). A TimeID is an t followed by a number (decimal digits). A SignalID is an s followed by a number (decimal digits). A LinkID is an l followed by a number (decimal digits). The Probability of an annotation is a number between 0.0 and 1.0.