Application Layer. This layer includes many
healthcare applications including vital data
management, nutritional management, and physical
exercise management. Documents exchanged in the
WSS are XML format as this is preferable to realize
flexible adaptation for many applications and a
variety of terminals. Representational State Transfer
(REST) (Fielding, 2000) is a useful technology for
this layer.
Database Layer. All the data used in the WSS are
centralized in the database layer so that the best
combination of optimal quality medical, welfare,
and healthcare services can be provided to users.
The database can be constructed as a virtual
database on the Internet or in a Cloud. There are
certain required functions such as a recognition
(certification) function to access data and data
protection and a back-up function to maintain good
reliability. We propose adopting Open Authorization
(OAuth, 2011) technology for more convenient
certification.
5 SUMMARY
In this paper we proposed the concept of a WSS to
ensure the daily safety of elderly people and to
improve the health conditions of people with
lifestyle-related and pre-lifestyle-related diseases.
The architecture of the WSS allows easy operation
with a flexible information environment supporting
a variety of terminals and applications, as well as
interface adaptability. The following issues should
be considered when constructing an ideal WSS:
- social and system management organization for
continual use of the system;
- the economic effects and a business model of the
system so as to clarify suitable areas and long-term
use; and
- a real-time action system with a decision-making
support function.
The major benefit of a WSS is the integration of
isolated information systems in the medical, welfare,
and healthcare fields on a common platform.
ACKNOWLEDGEMENTS
This research is supported by the Japan Science and
Technology Agency. We would like to thank the
project members at the Hitachi Regional Technical
Support Center, Office M&M Co., Ltd., and Citizen
Systems Japan Co., Ltd., for assistance in
developing the WSS prototype. We also thank
Professor Akiko Ogawa at Iwate Prefectural
University, Dr. Michiru Tanaka at Iwate-shiga Co.,
Ltd., and Mr. Yuji Ichihara at Nihon Information
Co., Ltd., for informative discussions and assistance
in designing the self-reporting type safety
monitoring system.
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