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Open-File Report 2011–1142

A Program for the Conversion of The National Map Data from Proprietary Format to Resource Description Framework (RDF)

By Andrew Bulen, Jonathan J. Carter, and Dalia E. Varanka

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Abstract

To expand data functionality and capabilities for users of The National Map of the U.S. Geological Survey, data sets for six watersheds and three urban areas were converted from the Best Practices vector data model formats to Semantic Web data formats. This report describes and documents the conver-sion process. The report begins with an introduction to basic Semantic Web standards and the background of The National Map. Data were converted from a proprietary format to Geog-raphy Markup Language to capture the geometric footprint of topographic data features. Configuration files were designed to eliminate redundancy and make the conversion more efficient. A SPARQL endpoint was established for data validation and queries. The report concludes by describing the results of the conversion.

First posted June 30, 2011

For additional information contact:
Director, USGS Center of Excellence for Geospatial Information Science (CEGIS)
1400 Independence Road
Rolla, MO 65401
(573) 308–3837
http://cegis.usgs.gov

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Suggested citation:

Bulen, A.N., Carter, J.J., and Varanka, D.E., 2011, A program for the conversion of The National Map data from proprietary format to resource description framework (RDF): U.S. Geological Survey Open-File Report 2011–1142, 9 p.



Contents

Abstract

Introduction

Data Conversion Approach

Results and Discussion

Conclusions

References Cited


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