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Figure 1. The illustration of the database model 
Microsoft Access 97 is chosen to develop the database 
including the users registration identity. The software is 
best suited for a small database model. As the database 
gets larger and more complicated, high-end database 
program should be employed. 
The next step that should be considered in 
developing the thematic database is to provide the 
accurate information consisting of 
(1) Metadata - the data about data which provides 
description of the data set 
(2) The browsed graphic of the thematic map, that 
gives brief illustration about the data set 
(3) The digital thematic maps, that can downloaded 
directly from the system. The basic concept of the 
on-line thematic database can be seen in figure 2 
Refer to the illustration in figure 2, the steps of the on 
line model establishment are: 
1. Dataset Preparation 
The dataset that should be prepared for this study is; 
digital maps, browsed graphic of the digital maps and the 
metadata. 
The thematic digital maps were assembled into 
similar GIS standardization, which was using the LPI 
(Indonesian coastal environment) or Rupabumi format. 
The digital maps were developing with GIS software. 
Then, the data were converted into the arcview format to 
be stored into a permanent retrievable form. From these 
maps, the browsed graphics were derived to represent the 
performance of the representative digital maps using GIF 
format. This step is done with Adobe Photoshop and 
PaintshopPro software.