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With economics developing fast and internet spreading extensively, the public strongly desire to know about land
information. Especially, the policy, Land registration information available to the public inquiry approach, has been
executed since March 1st, 2003, which gives the Land Department with guidance to build land information web query
service for public. Land information web query service for public requires Land Management Department to provide
land registration information which contains attribute and graphics information. When it comes to querying attribute
information, precise and fuzzy query methods are commonly used in realistic applications. To improve the speed and
accuracy of fuzzy query, Chinese word segmentation method is currently used. Especially, there is no previous example
by this method used in cadastre information inquiry. Meanwhile, as for querying lands' spatial information, it is
necessary to query attribute information before retrieving the actual graphics information. Then turning to the map
service, eagle eye can show which part of whole cadastre map the specified cadastre land located in. But it is obvious the
display speed of eagle eye is not as fast as that of cadastre map. Hence, we try to implement the multi-level query with
frame selection on cadastre map and identify the different cadastre land with different colors, as eagle eye's display and
panning speed are also accelerated. The accomplishments of our research have been applied to Land information query
system of Ningbo. It is hoped that the solutions in this system will help to develop and study analogous issues.
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