Table 5.

A simple illustration for the inference module.

SPARQL query	SELECT ?user ?Goal
	WHERE { ?User hasBodyFat ?I. }
SPIN rule 1	CONSTRUCT {?user hasHighBodyFat ?I.}
	WHERE{ ?this hasBodyFat ?I.
	FILTER (?I > 24). }
SPIN rule 2	CONSTRUCT { ?I value_of_MedicalSign ?M. }
	WHERE { ?user hasHighBodyFat ?I. }
SPIN rule 3	CONSTRUCT { ?user hasGoal ?G. }
	WHERE { ?G hasMedicalSign ?M.
	?I value_of_MedicalSign ?M.
	?user hasHighBodyFat ?I. }
SPIN rule 4	CONSTRUCT { ?user hasPreferredExercise ?E. }
	WHERE { ?user hasGoal ?G.
	?G rdfs:label “reduce-body-fat”.
	?E hasTypeAerobics “Aerobic”.
	FILTER (?user hasAbilitySwimming “false”.
	?E hasTypeWatersports “false”). }