The service of supplying geospatial data is the next
focus of data establishment. After the data is produced, it is necessary to maintain,
update, and enhance value added distribution to ensure the accuracy of the data
and to display the utilization value of added data. Consequently, since 1998, the
Information Center of Ministry of the Interior has been planning the tasks related
to data supply services construction. This work can be divided into three stages:
- Stage 1 (prior to 2000)
- Instruct relevant government authorities to draft related supply
services regulations, providing them for using governmental and private agencies
- Establish the GIS Clearinghouse as the inquiry
and service portal for NGIS data. This makes it convenient for the government and
private sectors to avail of the data and solve the problems brought about by the
unique nature of service provided by the specific government agencies or inadequate
resources of data supply services. This has achieved the initial goal of the sharing
of NGIS data.
- Stage 2 (from 2001 through 2003)
- Integrate the NGIS databases separately constructed by various agencies.
- Establish NGIS metadata query system and NGIS service portal.
- Speed up the supply services of NGIS data.
the development of value added services for NGIS data.
- Stage 3 (from 2004 through 2008)
Draft the model for data warehouse, data mining, and
others. At the same time, study data standards, common platforms, legal systems
and other complimentary factors to establish a more comprehensive TGOS portal and
highlight concrete results. Major promotion points include:
- In 2004, the integrated system of TGOS portal was established. Its
- Develop and build a spatial data warehouse system integrating the
existing geospatial data resources of various government agencies, choosing Taichung
City Government, the Construction and Planning Agency of Ministry of the Interior,
and the Urban and Rural Planning Office of the Construction and Planning Agency
as the three warehouse supply model nodes, building an interface for the integration
system of online geospatial data services. In addition, with the Taichung City Government
and the Construction and Planning Agency of Ministry of the Interior as the model
nodes, implement the feasibility verification of the Web Map Service (WMS), to successfully
carry out the overlay of web geospatial data services offered by the two abovementioned
agencies in the same area at the end-user point, meeting the functional demand for
cross-platform geospatial data integration and data collection.
Look back at the status of the promoting metadata construction on the domestic front
and study the metadata and index inquiry systems abroad. One point of reference
presented is the framework of the Geospatial One-Stop (GOS) from the US. Establish
a metadata management system and provide online registration of maintenance and
batch files (XML files of metadata) for various node agencies and other upgraded
- Draft standard operating procedure (SOP)
for WMS of the TGOS portal. Set up promotion plan and technical results verification
of the WMS based on the partners, and categorize the partnership and standard operating
procedures of the WMS offered by partners.
- From 2005, the Information Center, Ministry of The Interior, has
been continuing with the tasks from the prior stage, expanding system functions
and constructing the integration of geospatial data and partners. Major work points
- Centralize the storage of digital geospatial data which the central
government and other agencies are willing to release or are otherwise free and open;
data shall be in XML file format for online downloading.
up the integration of geospatial data and partnership. For this part, the Academia
Sinica, the Water Resources Agency of the Ministry of Economic Affairs, the Central
Geological Survey of the Ministry of Economic Affairs, the Institute of Transportation,
MOTC, the Forestry Bureau of the Council of Agriculture, the Soil and Water Conservation
Bureau of the Council of Agriculture, the Taipei City Government, the Tainan City
Government, and the Chiayi City Government have been chosen as the main targets
for partnership promotion and assistance.
- The system function
expansion and model procedures for this year include the following items:
- Study the Geospatial One-Stop of the US Geological Survey (USGS)
to update and expand the metadata of the TGOS portal; the metadata uses metadata
cache for storage; provide form entry, XML upload, automatic regular harvesting
to acquire the XML file within the Web Accessible Folder (WAF) for updating.
- Choose two partners (the Taichung City Government and the Water Resources
Agency of the Ministry of Economic Affairs) to serve as model nodes for the Web
Feature Service (WFS); build a WFS alliance model and assess, evaluate, and verify
the feasibility of the current Web GIS software platform and WFS support; write
standard operating procedure (SOP).
- Develop and construct financial
and material logistics systems. With the choice of two partnerships (The Institute
of Transportation, MOTC and the Taichung City Government) to proceed with online
application, payment, and downloading of original files to serve as operational
- Include related authentication functions of PKI identification,
agency/organization identification, and other single entry solution system.
- Starting from 2006 and 2007, in addition to continuing TGOS portal
partnerships promotion, the Information Center, Ministry of The Interior, has been
planning for the integration of the SOA, as well as analyzing and planning for establishing
a system for geospatial data supply and integrated application platform according
to the current needs of the land monitoring, land planning, land restoration, disaster
prevention and rescue, and other major national infrastructure projects. The plans
were initially carried out on a small scale, with the anticipation of eventually
being able to take full advantage of the application benefits of the geospatial
data as well as highlight the performance of the NGIS promotion at the later stages.
- After 2008
The Information Center, Ministry of the Interior,
is to step up the promotion of TGOS portal partnerships, and address the issue of
sustainable operations, reinforce the value added applications of geospatial data
mapping, and improving the data and process services of SOA.