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It is true that Internet has not only expanded our horizons, but also triggered an unprecedented revolution of operating electronization against the traditional method after we entered the 21st century — also called the age of Internet. In the business area, many enterprises have already achieved the goal of electronic management, saved human resources as well as material consuming, and largely increased...
Positioning of real world objects (e.g., people) in indoor environment will facilitate location dependent or context-aware applications. Due to severe multi-path fading effect in indoor wireless environment, received signal strength indicator (RSSI) based indoor positioning systems usually require a great amount of human intervention for data measurement during the system initiation. This paper proposes...
In the era of information explosion, information retrieval has become a bottleneck in information sharing and integration. However currently, the existing information retrieval methods are mainly based on keyword matching, which can not fully take advantage of the information context and potential knowledge. All of these methods are particularly inefficient as to geospatial information which is more...
This paper presents a practical approach for project management information system (PMIS) requirements analysis from a system operation point of view. Previous approaches rarely focus on reducing mismatch between the requirements analysis with systems design and implementation. We propose a PMIS requirement acquisition rule and a requirement analysis process to better understand the complex requirements...
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