Expert system for diagnosing narcissistic personality disorders using certainty factor and forward chaining methods

Narcissistic disorder originates from the Greek legend Narcissus, a young boy who falls in love with his reflection in a pond. Personal with this disorder has a purpose with interests that are not reality, excessive, the nature is known as grandiosity. People with narcissistic disorders expect others to praise and follow their desires and requests and a narcissist is less sensitive to the needs of those around him. Research associations of the All India Institute of Medical Science which results in a period of six years, there were 259 people worldwide died with a percentage of men 72.5 percent and women 27.5 percent due to selfies due to excessive narcissism. The method used is Certainty Factor and Forward Chaining as an inference engine to determine the diagnosis results based on the prescribed symptoms. Calculations in this method combine the measure of increased belief and measure of increased disbelief values obtained from the expert and also classify the narcissistic personality disorder so that this expert system helps the user to find the level of narcissism that matches the user's experience and obtain the value of trust and recommendations for handling narcissistic personality disorders.