{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "signedValue",
  "description": "A string representation of a floating point number",
  "type": "string",
  "link": "value",
  "pattern": "^[-]?[0-9]*[.]?[0-9]+([eE][-+]?[0-9]+)?$"
}