Question: Is the Twitter username of a person whose official website is http://johnsaylesblog.com/, john_sayles ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://johnsaylesblog.com/" . ?e <Twitter_username> ?pv . ?pv <pred:value> "john_sayles" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://johnsaylesblog.com/
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
function: VerifyStr
dependencies: 3
inputs: john_sayles
Answer: yes