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Under the Hood: How Geonames Aggregates Over 35 Sources into One Data Set
The geonames.org geographical database is available for download free of charge under a creative commons attribution license. It contains over eight million geographical names and consists of 6.5 million unique features whereof 2.2 million populated places and 1.8 million alternate names.
It's developed mainly by speaker Marc Wick, Geonames is integrating geographical data such as names of places in various languages, elevation, population and others from over <a href="www.geonames.org—data-sources.html"> thirty-five sources</a>.
The data comes in different data formats : flat csv files, gml files, proprietary xml files, excel, esri shape files, binary files, even ms access dumps.
Learn how he handles this data with his LAMP software stack: linux, apache, tomcat, java, lucene, postgres/postgis. He'll also touch on his liberal Creative Commons licensing.
As Sir Tim Berners-Lee said, "This is a tremendous set of data you have there." Come learn how Marc did it.
Marc Wick
- Marc Wick
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Technology and Design © 2006 DIMELO - Makers of Feedback2.0
It took me a while to get into this session. Mostly because at the start I didn't have a clue what it had to do with Web 2.0 and the developer track.
I enjoyed it more the more the session went on and started to become intrigued by the vast challenges that are still ahead with geo data.
The sniffing didn't help.
Birgit Arkesteijn