in lib/core/filtering/simple_rules/simple_rule.rb [140:151]
def try_coerce_value
coerced = to_float(value)
begin
coerced = to_date(value) if coerced.is_a?(String)
rescue ArgumentError
coerced = to_bool(value) if coerced.is_a?(String)
end
coerced
rescue StandardError
value
end