more products

see http://www-106.ibm.com/developerworks/library/j-lucene/

Robert Koberg wrote:

> You can use Lucene and pass XML documents through a DefaultHandler. For 
> example, we have fields for just the text nodes and some of the more 
> interesting elements like internal links, external links, glossery 
> items, etc... and metadata like who created it, who modified it last, 
> created date, last modified, etc... It is rather extensive for us 
> because of the way we use XML to configure a site/folder/page/content 
> piece. It works very well and is extremely fast.
> 
> (I have been thinking you could use Lucene to create a fast, read only 
> XML DB. Updating /requires/ you to delete a lucene document, reindex and 
> optimize.)
> 
> We currently keep everything in the filesystem, but the same concepts 
> could be used for XML stored in a DB.