This paper describes the development of a chatbot as cognitive user interface for portfolio optimization. The financial optimization is proposed to provide an easy-to-use optimization, including wide range investment objectives and flexibility include variety constraints representing preferences when compared existing online automated advisory services. Additionally, use allows investors lackin...

A game is a form of entertainment determined by rule and conflict resolution the player. good can display attractive visuals, make player get engaged, feel needed pleasure. Visual medium that only concerns sense sight while other senses like hearing (sound) cannot be included in visual use part user interfaces. The interface between system user. Ministry Education Culture Republic Indonesia has...

 Recommender systems are a branch of retrieval systems and information matching, which through identifying the interests and requires of the user, help the users achieve the desired information or service through a massive selection of choices. In recent years, the recommender systems apply describing information in the terms of the user, such as location, time, and task, in order to produce re...