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GoodRelations - The Web Vocabulary for E-Commerce

This is the archive of the goodrelations dicussion list

GoodRelations is a standardized vocabulary for product, price, and company data that can (1) be embedded into existing static and dynamic Web pages and that (2) can be processed by other computers. This increases the visibility of your products and services in the latest generation of search engines, recommender systems, and other novel applications.

[goodrelations] XML Sitemap Generators

Martin Hepp martin.hepp at ebusiness-unibw.org
Tue Apr 5 11:12:43 CEST 2011 

Dear all:

XML Sitemaps are an important part of using GoodRelations in shop sites, because they eaae the effective crawling of your site.
Here are two links with tools that help generate respective sitemap files:

    http://code.google.com/p/sitemap-generators/wiki/SitemapGenerators

A related tool is

    http://lab.linkeddata.deri.ie/2010/sitemap4rdf/

This helps generate proper sitemaps for RDF content.

I think I have said this before, but again: If you publish a sitemap for your site, please try to indicate the proper date and time of the last modification for each resource (using the "lastmod" attribute in the sitemap). Some simple sitemap tools use the date of generating the sitemap for all entries instead of the actual date for each resource from the resource's meta-data. This means that your complete site has to be crawled anew each time you generate a new sitemap.

This is a lesser problem for a small or medium-size site (less than 5,000 pages / articles), but a major issue if your site has tens of hundreds of thousands of pages.

Best wishes

Martin Hepp

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