About: http://webisa.webdatacommons.org/23788173

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A signal is a communication sent between the kernel and a software task that communicates the occurrence of certain events external to the task, such as the rescheduling of a process while in a critical code section.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com