About: http://webisa.webdatacommons.org/441495577

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	As you can see above, $a is string and $b is a integer and thats what does matter in PHP. Now, let???s try is_int() to validate the integers in PHP.
http://www.w3.org/ns/prov#wasQuotedFrom	roshanbh.com.np