About: http://webisa.webdatacommons.org/456024460

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	Morse code is a very slow means of communication and radio operators often used abbreviations to speed up the process???for example, ABT for the word about or B4 instead of before etc.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org