About: http://webisa.webdatacommons.org/405720842

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	The Arduino then reads the serial port to get the key data.The PC application can be written in a variety of languages, including C, C++, C#, PHP, Python, Ruby, etc.Ok, i suppose there is a C library for this work!
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc