PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The SD card I think is the simplest option, however if you want to be compact, you could use a I2C EEPROM chip that could store 256KB of data.https://www.sparkfun.com/products/525If you want you could wire up to 128 of these and that would get you 32MB of storage.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arduino.cc