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Querying Heterogeneous Land Use Data: Problems and Potential (2002)
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| Citations: | 4 - 3 self |
BibTeX
@MISC{Wiegand02queryingheterogeneous,
author = {N. Wiegand and E. D. Patterson and N. Zhou and S. Ventura and I. F. Cruz},
title = {Querying Heterogeneous Land Use Data: Problems and Potential},
year = {2002}
}
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Abstract
The proposed Wisconsin Land Information System (WLIS) will be a statewide access mechanism for land related data. It will be a distributed Web-based system with heterogeneous data residing on local and state servers. One of the most important functions for WLIS is to integrate land use data across jurisdictions to enable decision-making for comprehensive land use planning. Here, we describe the semantic problems of integrating land use codes. We then present the current state of our enhancements to an XML query engine to provide query processing over heterogeneous data sets. We also briefly describe the integration of XML databases based on a declaratively specified mapping from each database to a central and expertdefined authority.
Keyphrases
heterogeneous land use data xml query engine important function semantic problem expertdefined authority heterogeneous data current state state server comprehensive land use planning web-based system statewide access mechanism xml database wisconsin land information system land use code heterogeneous data set land use data query processing
