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POS 410 Week 3 DQ 2




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Week #3 DQ 2 - Anil Nori (2007), from the Week 1 readings: What is the objective of this
article? Choose section 1 OR 2 and describe is views. Don’t try to give a detailed summary. I am
looking for your understanding of the trends and ideas expressed.
The rise of cheaper storage, mobile devices, and a mobile workforce have created a number of
opportunities and issues with mobile processing. Many industries use mobile devices to increase
worker productivity. If a healthcare worker can carry a mobile device through their rounds at a
hospital, all patient information is available to them. Checks against the patient’s medications,
status, procedures performed, and upcoming procedures can be displayed on the mobile device.
The medical technician can make comments and update information on the patient. This can be
done without having to pick up charts which may be incomplete and allows the technician to
move from one patient to the next without stopping to gather the next patient’s chart.
By moving data directly to the mobile device and eliminating paper, a consistent format for
information allows an easier method for data analysis by the medical technician. All data about
the patient is available. Applications running on the mobile devices are becoming more
sophisticated . Because of the lower costs of storage, all needed data can be located on the
mobile devices without the time constraints of moving data back and forth from a central storage
facility. With more complex applications, more processor power, and all needed data, mobile
applications can present data and make recommendations formally only available on desktop or
laptop devices. In the healthcare industry, this speeds patient treatment and avoids possibly
deadly medication interactions.
Some wireless technologies such as RFID allow real-time interactions with database rules.
When new medications arrive at a hospital, the pharmacy stock is updated immediately. Any
patients waiting for medications can have the medication delivered immediately. There is no
need to wait for a technician to check on the medication for a patient since the database can
process rules and start procedures when the medications arrive.
The need for application storage on the mobile devices has led to a need for embedded databases
on these devices. Embedded databases are not being handled by major database vendors.
Mobile applications create their own single-application data store to handle information for that
single application. The types of data storage used by applications can be flat files, ISAM
(Indexed Storage Access Method), XML files, or homegrown databases.
All of these processes reduces latency and costs but increase complexity. Application and
database interactions rely on middleware to communicate and sync the data. The additional
layers increase the possibility for errors, increase application complexity, and can cause delays in
upgrades of the hardware and software if all of the layers are not in sync. There is a lot of
promise for mobile devices in providing increased services and productivity but a more complex

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system comprised of many layers adds to the possible problems and difficulty in creating
applications for these environments.

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Really great stuff, couldn't ask for more.