Mobile computing is one of the fastest developing areas in information technology. In this paper, the concept of EMPIS (Executives' Mobile Personal lnformation System) is defined. The main functional areas of EMPIS are briefly discussed: information communication, decision making, analysis, and office work support - all overlaying a mobile environment. A deeper analysis of the characteristics of EMPIS as an information tool and comunication tool is given. When studying EMlPIS as an information tool, we suggest methods for remote data acces and information retrieval, and outline a method for searching, querying, and filtering in a mobile environment. EMPIS as a communication tool is analyzed and constructed from the viewpoints of privacy enhanced email and facsimile, mobile group communication, access to company and market news, and challenges of implementing video on EMPIS.
mobile information system, executive information system, mobile computing, information tool, communication tool
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