Information Technology Reference
In-Depth Information
Reader Support
System (RSS)
Configuration
files
Screen
User
Content acquisition
and presentation
Off-line
access
Newspaper
Reference maps access
Code recognition
• References
• Control functions
• Global state
Online
access
Code
input
Code reader
Figure 9.3
A schematic diagram of the RSS structure and interconnections.
TaBLe 9.1
Sample Control Fu
nctions
Name
Value
On/Off
Turns on or off the control functions
Get
Obtains additional content related information
Help
Provides system operation support
Search
Searches for related information on the Internet
Music
Plays associated audio
Immediate/delayed
Changes the response mode
The control functions and the global state associated with them have been
introduced in order to allow users to employ an overlaid operation. That is,
users can invoke different actions by touching a single spot on the document
surface. We employ that for an overloading mechanism that allows us to asso-
ciate multiple actions with one and the same domain of the document surface.
Some sample control functions are shown and briefly explained in Table 9.1.
9.4.3 Maintainer Support System (MSS)
Finally we will give a brief explanation of the maintainer's frame of access
and the MSS. Since printed materials come in great diversity of designs,
layouts, volumes, and other features, to accommodate them, CAS has to be
highly configurable. Similarly, since users and their needs are quite diverse,
