About: http://webisa.webdatacommons.org/218390379

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	Throughout the years, modems have seen many changes, including the addition of such features as full duplex communications, error correction, adaptive speed leveling, and many other, now common features.
http://www.w3.org/ns/prov#wasQuotedFrom	usr-emea.com