About: http://webisa.webdatacommons.org/328878203

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	However, one limitation with survey responses is <a href=http://en.wikipedia.org/wiki/Sampling_bias">sampling bias</a>: survey results do not reflect the audience they represent because some types of people respond more than others.</p>
http://www.w3.org/ns/prov#wasQuotedFrom	devnambi.com