Working Together with Computers: Towards a General Framework for Collaborative Human Computer Interaction

Working Together with Computers: Towards a General Framework for Collaborative Human Computer Interaction

Uma Shanker Tiwary (Indian Institute of Information Technology Allahabad, India) and Tanveer J. Siddiqui (University of Allahabad, India)
DOI: 10.4018/978-1-4666-0954-9.ch002
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The objective of this chapter is twofold. On one hand, it tries to introduce and present various components of Human Computer Interaction (HCI), if HCI is modeled as a process of cognition; on the other hand, it tries to underline those representations and mechanisms which are required to develop a general framework for a collaborative HCI. One must try to separate the specific problem solving skills and specific problem related knowledge from the general skills and knowledge acquired in interactive agents for future use. This separation leads to a distributed deep interaction layer consisting of many cognitive processes. A three layer architecture has been suggested for designing collaborative HCI with multiple human and computational agents.
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1. Introduction

Human Computer Interaction (HCI) tends to include every development taking place in the field of computing, together with those in the areas of Cognitive Science, Multimedia Signal Processing, Ergonomics, etc., in its own domain. Right from the appearance of the first display device or time-sharing system, to any form of ubiquitous computing through an ordinary daily use device, or social network based systems or automated sensor-based monitoring of environments can be part of HCI. However, our purpose here is to discuss the architecture of interactive systems where human agents and the computational agents interact frequently to design or solve some tasks and use their experiences to improve further interactions. The objective here is to create a general framework which can include the basic underlying processes of collaborative HCI. Although a technological development may add a new dimension to the whole framework, e.g., advent of web technologies for connecting millions of people in a virtual community, but we restrict ourselves to basic core processes. However, let us put a disclaimer at the beginning itself that there are many such attempts with different viewpoints (Gluck & Pew, 2005; Taatgen & Anderson, 2009; Chong et al., 2007; Sun, 2006). This effort is also one such attempt where collaboration among many humans and computers forms the basis of the framework and hence distances itself from the traditional or other specific frameworks, e.g., UAN or RASCALLI.

HCI includes processes (computational as well as human processes) which interact in a meaningful manner to solve a complex problem or problems on an appropriate time scale. However, it should be noted that the goal of the interaction is not just to solve one or the other problem, but to enhance the interaction itself, say, by gaining experience for solving problems in a better way in future. Hence, the definition of HCI as given by Dix and Finlay (1998), as “a field of study related to design, evaluation and implementation of interactive computer systems used by humans, which also includes research of the main phenomena that surround it” may not be sufficient. In this definition, human beings are considered as users of the interactive system; they are not part of the system, although, the human processes, e.g., collecting expert knowledge or human-like visual system, etc. may be simulated on computers. Also, the role of environment (context) needs to be analysed. The interaction takes place in an environment (real-life or synthetic) which provides the context for interaction. In dynamic environments the result of interaction can change the environment, which in turn, can affect the interaction, and so on. The problem solving process has a specific goal at that moment, which may not be the long term goal of interaction process. Thus, solving one problem does not necessarily kill the interaction process; rather it can provide important information to improve further interaction. However, in real practice, the interaction-process is designed to fulfill a goal, although learning (long term) has now become an important component of HCI systems.

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