This is to announce the nux-1.0beta2 release (http://dsd.lbl.gov/nux/).

Nux is a small, straightforward, and surprisingly effective open-source
extension of the XOM XML library.

Features include:
 ?  Seamless W3C XQuery and XPath support for XOM, through Saxon.
 ?  Efficient and flexible pools and factories for XQueries, XSL
Transforms, as well as Builders that validate against various schema
languages, including W3C XML Schemas, DTDs, RELAX NG, Schematron, etc.
 ?  Serialization and deserialization of XOM XML documents to and from
an efficient and compact custom binary XML data format (bnux format),
without loss or change of any information.
 ?  For simple and complex continuous queries and/or transformations
over very large or infinitely long XML input, a convenient streaming
path filter API combines full XQuery support with straightforward
filtering.
 ?  Glue for integration with JAXB and for queries over ill-formed HTML.
 ?  Well documented API. Ships in a jar file that weighs just 60 KB.

Changelog:

XOM serialization and deserialization performance is more than good
enough for most purposes. However, for particularly stringent
performance requirements this release adds "bnux", an option for
lightning-fast binary XML serialization and deserialization.
Contrasting bnux with XOM:

 ?  Serialization speedup: 2-7 (10-35 MB/s vs. 5 MB/s)
 ?  Deserialization speedup: 4-10 (20-50 MB/s vs. 5 MB/s)
 ?  XML data compression factor: 1.5 - 4

For a detailed discussion and background see
http://dsd.lbl.gov/nux/api/nux/xom/binary/BinaryXMLCodec.html

Wolfgang.
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Wolfgang Hoschek
Distributed Systems Department
Berkeley Laboratory
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