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Map services can also be displayed in applications run on the user’s side, which support more advanced user functionalities. One such application is, for example, the application Jan Map, which is a part of the System for Data Analysis and Synthesis called Janitor.

Janitor is a system designed for the gathering, storing and organising, analysis and synthesis of data, which enables the integration of third parties’ solutions with the support of the access to data of remote data servers.

Janitor provides a tool which makes it possible to use the data for so-called small to medium-sized solutions or which can form a significant complement to robust solutions oriented at GIS system implementation. The architecture of the system takes into account the deepening integration and support of the OGC as well as other standards.

Janitor makes it possible to:

• collect data through mobile devices and verify these data in situ,
• localize data by means of GPS or draw into GIS environment,
• store data in a database, a file in a workstation as well as in a remote storage facility through pre-prepared forms,
• administer and update data, verify their content (validation),
• gain information through data analysis and synthesis,
• publish data using third-party portals or solutions,
• effectively integrate third-party solutions.

The Janitor system includes the following components:

• JanMap – enables the processing of spatial data and their attributes,
• JanDat – enables efficient work with tables; supports the JanMap application, namely the processing of attributes,
• SQLTools – makes it possible to process data from a remote database server,
• ConnAdmin – provides connection to remote servers,
• DataBuilder – makes it possible to easily and efficiently design form sets for entering and viewing data.

More information on the development of the system is available at www.janitor.cz.