“SRW is the “Search/Retrieve Web Service” protocol, which aims to integrate access to various networked resources, and to promote interoperability between distributed databases, by providing a common utilization framework. SRW is a web-service-based protocol whose underpinnings are formed by bringing together more than 20 years experience from the collective implementers of the Z39.50 Information Retrieval protocol with recent developments in the web technologies arena.”
“rssSearch is a search engine which harvests and indexes the RSS/RDF files produced by weblogs across the Internet.” 
Sandro has written a tutorial  on OpenOffice with examples and discussion of the DocBook export filter. In general, he takes a look at OpenOffice Writer and its capabilities to serve as a WYSIWYG editor for DocBook XML.
“The mission of the XUpdate Working Group is to provide open and flexible update facilities to modify data in XML documents. Doing so it is not important where the documents come from. It can be real documents or virtual documents retrieved from XML databases.” 
The XUpdate language is used by Xindice , the XML database of the Apache project.
“XMLdiff is a python tool that figures out the differences between two similar XML files, in the same way the diff utility does it for text files. It was developed for the NARVAL project and should also be used as a library. It can work either with XML files or DOM trees.” 
Cory Doctorow identifies  the following problems when it comes to metadata:
* people lie
* people are lazy
* people are stupid
* people are lousy observers of their own behaviors
* schemas aren’t neutral
* metrics influence results
* there’s more than one way to describe something
Brian Aker from Slashdot announced  his new myxml User Defined Functions (UDF) for MySQL in the MySQL general mailinglist.
OpenOffice  1.1 beta now supports DocBook  Import/Export as indicated by the feature list .
1dok.org works on an open standard for free and unimpeded exchange of electronic documents via internet.
In case you haven’t already heard: The OASIS standardization organization founded a TC to create an open, XML-based file format specification for office applications.