Papers about Cognition

A complete explanation of the problems associated with human input, grammar errors, adn all the neesed steps tending to analyze successfully any text from a human typing interface. Is the main target of the DDL language and robust morphological analyzer with spellcorrector. Read more

In some cases seems simple: to contract a skin rash the patient seeks a dermatologist; when the kids are sick he takes them to the pediatrician; or if you want to make a diet seeks a nutritionist. However, the doctor's choice is not always that easy. Currently in Brazil, 53 recognized medical specialties. Besides not knowing exactly what each one of the complicated names as angiologist, nephrologist or proctologist, often the patient is in doubt... Read more

In some cases seems simple: to contract a skin rash the patient seeks a dermatologist; when the kids are sick he takes them to the pediatrician; or if you want to make a diet seeks a nutritionist. However, the doctor's choice is not always that easy. Currently in Brazil, 53 recognized medical specialties. Besides not knowing exactly what each one of the complicated names as angiologist, nephrologist or proctologist, often the patient is in doubt... Read more

Game environments tend to be highly responsive and demanding and thus provoke active learner involvement. Surprisingly, gaming and in the same line also serious gaming, still make little use of one of people’s most common type of interactions i.e. natural language. Despite the presumed positive effect in e-learning of interactive online characters, the use of virtual characters or so-called Non Player Characters still seems in its infancy. In this work, therefore, we started to look... Read more

In this paper we present representations and mechanisms that facilitate continuous learning of visual concepts in dialogue with a tutor and show the implemented robot system. We present how beliefs about the world are created by processing visual and linguistic information and show how they are used for planning system behaviour with the aim at satisfying its internal drive - to extend its knowledge. The system facilitates different kinds of learning initiated by the human... Read more

This paper is about the history, frustrations, considerations, and decisions that led to the creation of our award-winning ChatBot technology. We also look at issues involved in designing a ChatBot and how various programs have handled them. And we explore some uses for ChatBots. Read more

In this survey, we reviewed the current state of the art in biomedical QA (Question Answering), within a broader framework of semantic knowledge-based QA approaches, and projected directions for the future research development in this critical area of intersection between Artificial Intelligence, Information Retrieval, and Biomedical Informatics. Read more

The area of animated interface agents is related to the development of applications that aim to improve humancomputer interaction process using software agents represented by characters or human figures. Although several projects are being developed in this area, there isn’t a method to describe criteria that ought to be considered to evaluate animated interface agents. This paper proposes basic guidelines for animated agents evaluation based on concepts provided by Artificial Intelligence (AI) and Human-Computer Interaction (HCI). We... Read more

An impediment to Web-based retail sales is the impersonal nature of Web-based shopping. A solution to this problem is to use an avatar to deliver product information. An avatar is a graphic representation that can be animated by means of computer technology. Study 1 shows that using an avatar sales agent leads to more satisfaction with the retailer, a more positive attitude toward the product, and a greater purchase intention. Study 2 shows that an attractive... Read more

As access to information becomes more intensive in society, a great deal of that information is becoming available through diverse channels. Accordingly, users require effective methods for accessing this information. Conversational agents can act as effective and familiar user interfaces. Although conversational agents can analyze the queries of users based on a static process, they cannot manage expressions that are more complex. In this paper, we propose a system that uses semantic Bayesian networks to infer the intentions of... Read more