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Sessions details 

http://www.xmlprague.cz/2010/sessions.html

Streaming in XSLT 2.1
Michael Kay (Saxonica)
Saturday, March 13th, sponsored by MarkLogic 9:30 CET; duration: 
0:50h back to the schedule...
One of the significant limitations of existing XSLT processors 
is the need to allocate enough memory to hold the entire source 
document. However cheap memory becomes, there will always be 
some XML documents that are too large to hold in memory; and 
even where the memory is available, streamed transformations 
should be able to run with lower latency and higher throughput.
Since XSLT 2.0 was delivered early in 2007, the XSL Working 
Group has been focusing its efforts on developing a version of 
the language for which streamed execution is possible. This 
involves both identifying characteristics of a stylesheet that 
make streaming difficult or impossible, so that users can avoid 
such features, and the addition of new language constructs to 
take their place. The resulting language design has been 
strongly influenced by collection of a representative selection 
of use cases; and although the design is very different from 
the pioneering STX (streaming transformations for XML) 
specification, it benefits from the experience of the STX 
designers and implementers in determining what is and is not 
streamable.
This talk will be the first public presentation on XSLT 2.1 by 
the editor of the specification.
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Michael Kay
The speaker, Dr Michael Kay, is founder of Saxonica Limited 
which develops the popular Saxon XSLT, XQuery, and XML Schema 
engine. He is a member of the W3C working groups for all three 
languages, and author of XSLT 2.0 Programmer's Reference, the 
definitive Wrox guide to the language, recently republished in 
a fourth edition.
What XSL 2.0 means for implementers and users
Tony Graham (Menteith Consulting Ltd)
Saturday, March 13th, sponsored by MarkLogic 10:20 CET; 
duration: 0:30h back to the schedule...
The block diagram for XSL 1.0 and XSL 1.1 was fairly 
straightforward: source XML transformed to FO markup then 
creating pages. The official block diagram for XSL 2.0 doesn't 
yet exist, but indications are that it will be closer to an 
octopus than to the arrowed straight line of the currents 
diagram.
The requirements for XSL 2.0 includes features such as 
animations, feedback from the pagination stage, formatting of 
document collections, variable-sized regions, and positioning 
objects relative to each other.
A recitation of the features selected for XSL 2.0 may roll over 
you with the occasional spark of interest for some of the 
features, but an implementer has to consider the full gamut of 
features when designing a formatter -- irrespective of whether 
the features will be in the first releases, they all still have 
to be considered. This paper discusses the changes that will 
have to take place under the hood of any XSL formatter that 
supports XSL 2.0 and what those additional capabilities can 
bring to your stylesheets.

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Tony Graham
Tony Graham has been working with markup since 1991, with XML 
since 1996, and with XSL/XSLT since 1998.
Tony is an invited expert on the W3C XSL FO subgroup and a 
previous member of the W3C XML Protocol WG. He is the author of 
Unicode: A Primer and the developer of the xmlroff XSL 
Formatter. He is a member of the XML Guild.
Tony is interested in applying the tools for ensuring software 
quality �� unit testing, code coverage, profiling, and other 
tools �� to XML and XSL/XSLT processes.
Automating Document Assembly in DocBook

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Norman Walsh (Mark Logic)
Saturday, March 13th, sponsored by MarkLogic 11:20 CET; 
duration: 0:30h back to the schedule...
While XML is an enabling technology for efficient, granular 
reuse of information, using angle brackets alone won't get the 
whole job done. In addition to markup, authors need tools and 
technologies for finding, extracting, and dynamically 
assembling new documents from reusable parts.
Dynamic assembly, in this context, refers to the ability to 
pull together a collection of resources and compose them into a 
new document which can then be further transformed into any 
number of presentations: a web site, an online help system, an 
eBook, or even a traditional, printed book format.
This paper examines ongoing work to provide facilities in 
DocBook for dynamic assembly. That work includes the DocBook 
Technical Committee's progress in defining a declarative 
specification for dynamically assembled documents as well as the 
author's work to materialize such assemblies using modern XML 
technologies like XSLT and XProc.
Norman Walsh
Norman Walsh is a Principal Technologist in the Information & 
Media Solutions team at Mark Logic Corporation. He is also an 
active participant in a number of standards efforts worldwide. 
Mr. Walsh is an elected member of the Technical Architecture 
Group at the W3C where he is also chair of the XML Processing 
Model Working Group, co-chair of the XML Core Working Group, 
and an active member of the XSL Working Group. At OASIS, he is 
chair of the DocBook Technical Committee and a member of the 
RELAX NG and Entity Resolution Technical Committees. He was 
editor of the XML Catalogs specification for the Entity 
Resolution Technical Committee and wrote the implementation of 
that OASIS Standard that is part of the XML Commons project at 
Apache. He was a specification lead for the Java API for XML 
Processing (JAXP) and has participated occasionally in other 
XML-related JSRs.
Before joining Mark Logic, he was a XML Standards Architect at 
Sun Microsystems, Inc. With more than a decade of industry 
experience, Mr. Walsh is well known for his work on DocBook and 
for the numerous papers and presentations he has published. He 
is the principle author of DocBook: The Definitive Guide.

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EXPath: Packaging, and Web applications
Florent Georges (H2O Consulting)
Saturday, March 13th, sponsored by MarkLogic 11:50 CET; 
duration: 0:30h back to the schedule...
EXPath is a project to define portable extensions to core XML 
technologies. The main means to doing so is the specification 
of libraries of XPath functions, usable within any XPath 
expressions evaluator, including XSLT, XQuery and XProc. But 
EXPath is also open to other kinds of specifications, like the 
Packaging System and the framework to write Web Applications, 
both described in this paper.
EXPath - EXPath Resources
Florent Georges
Florent Georges is a freelance IT consultant in Brussels who 
has been involved in the XML world for 10 years, especially 
within the XSLT and XQuery communities. His main interests are 
in the field of XSLT and XQuery extensions and libraries, 
packaging, unit and functional testing, and portability between 
several processors. Since the beginning of 2009, he has worked 
on EXPath, to define "standard" tools and extension function 
libraries that can be used in XPath (so in XSLT, XQuery and 
XProc as well).

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'Full Impact' Schema Differencing
Anthony B. Coates (Londata Limited), Daniel Dui (Independent)
Saturday, March 13th, sponsored by MarkLogic 12:20 CET; 
duration: 0:30h back to the schedule...
For "enterprise" or other large XML schema sets, managing the 
changes between releases is of major importance. Normal XML 
differencing tools can be applied to many XML schemas, like W3C 
XML Schemas, but these do not give users an indication of the 
complete ("full") impact of a change. A change to a W3C XML 
Schema might be to only a single location in that Schema, but 
the knock-on effect of that change might affect thousands of 
locations. It is important to be able to report the "full 
impact" of any schema changes to users. This presentation 
discusses how XML schema differences can be calculated using an 
"extended XPath" approach, and will demonstrate some software 
for calculating these differences.
Anthony B. Coates
Anthony B. Coates (Tony) is Director and CTO of Londata 
Limited, a UK IT consultancy that specialises in financial XML 
and data modelling. Tony has been an active participant in 
numerous financial and non-financial XML standards, including 
ISO 20022, FpML, MDDL, UBL, and genericode. Tony is also a 
member of the XML Guild.
Daniel Dui
Daniel is an independent consultant based in London, where he 
advises corporate clients in the financial services industry on 
data architecture, XML technologies, and business analysis. He 
has been involved since 2001 in the definition of FpML 
(Financial product Markup Language), an industry standard for 
over-the-counter financial derivatives trading. He became 
interested in XML schema design and evolution as part of his 
PhD research work at UCL (University College London).

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Tracking Changes: Technical and UX Challenges
Laurens Van den Oever (Xopus BV)
Saturday, March 13th, sponsored by MarkLogic 14:20 CET; 
duration: 0:30h back to the schedule...
As XML editor vendor, we��re thoroughly familiar with the 
intricate details of tracking of changes in an XML lifecycle. 
In this session we will show how change tracking differs from 
comparing versions of a document. We will discuss the complex 
issues we have to deal with when change tracking is combined 
with structure and real time XML validation. Finally we will 
discuss the more exotic requirements that some our customers 
have.

Schema-aware editing
George Bina (Syncro Soft / oXygen XML Editor)
Saturday, March 13th, sponsored by MarkLogic 14:50 CET; 
duration: 0:30h back to the schedule...
Find how schema information can be used to improve the XML 
editing process. The presentation will cover techniques like 
content completion, automatic insertion of content, different 
strategies that can be applied for operations like delete, 
type, paste, drag and drop in trying to keep the document 
schema-valid and how schema information can be used for better 
XML formatting. Multiple schema languages will be analyzed both 
from a theoretical and a practical point of view.
George Bina
George Bina is one of the founders of Syncro Soft, the company 
that develops oXygen XML Editor. He has more than 10 years 
experience in working with XML and related technologies 
including XML related projects, oXygen XML Editor and 
participation in open source projects, the most notable being 
oNVDL - an open source implementation of the NVDL standard, 
project that is now merged into Jing.
download

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How to avoid suffering from markup: A project report about the 
virtue of hiding XML
Felix Sasaki (University of Applied Sciences Potsdam)
Saturday, March 13th, sponsored by MarkLogic 17:00 CET; 
duration: 0:30h back to the schedule...
This paper describes the development of a specialized RELAX NG 
schema for XHTML and a related XSLT processing chain. This 
development is the XML-related outcome of a markup project. The 
non-XML-related outcome are two documents about Japanese 
layout, one in English, one in Japanese. The paper focuses on 
the interplay between markup constraints and social 
constraints, and demonstrates the virtue of hiding XML, for 
fostering its adoption in new communities.
Felix Sasaki
From 1993 until 1999, Felix studied Japanese and Linguistics in 
Berlin, Nagoya (Japan) and Tokyo. Since 1999 he worked in the 
Department of Computational Linguistics and Text-technology, at 
the University of Bielefeld (Germany), where he finished his 
PhD in 2004. The PhD deals with the integration of 
heterogeneous linguistic resources using XML-based 
(e.g.linguistic corpora) and RDF-based (e.g. lexical, 
conceptual models) representations. Felix joined the W3C staff 
in April 2005 to work in the areas of Internationalization, Web 
Services and Media Annotations. Since March 2009 he holds a 
Professor position at the University of Applied Sciences in 
Potsdam, Germany, in the area of libraries, archives and 
documentation.

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Authoring XML all the Time, Everywhere and by Everyone
St��phane Sire (EPFL), Christine Vanoirbeek (EPFL), Vincent 
Quint (INRIA), C��cile Roisin (INRIA)
Saturday, March 13th, sponsored by MarkLogic 17:30 CET; 
duration: 0:30h back to the schedule...
This article presents a framework for editing, publishing and 
sharing XML content directly from within the browser. It comes 
in two parts: XTiger XML and AXEL. XTiger XML is a document 
template specification language for creating document models. 
AXEL is a client-side Javascript library that turns the 
document template into a document editing application running 
in the browser. This framework is targeted at non XML speaking 
end users, since it preserves end users from XML syntax during 
editing. Its current implementation proposes a pseudo-WYSIWYG 
user interface where the document template provides a document-
oriented editing metaphor, or a more form-oriented metaphor, 
depending on the template.
XTiger XML and AXEL Home

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Why is Markup Still Important after 30 years and Will it Still 
be Important in Another 30
Sharon C. Adler (IBM Research)
Sunday, March 14th, sponsored by FLWOR Foundation 9:05 CET; 
duration: 0:30h back to the schedule...
Sharon will explore the various aspects of markup strategies 
that have evolved over the years and why they have "staying" 
power. What is the purpose? What has been achieved? Have we 
taken a wrong turn somewhere along the way or is this all part 
of the "Grand Scheme"? These and other ideas will be considered 
as we ponder the future of XML.
Sharon C. Adler
Sharon Adler was a Senior Manager at IBM Research in New York 
specializing in XML standards, Web Services, and other areas 
for the past eleven years. She recently relinquished her 
management role to a long-time colleague so she focus her 
efforts on technical work. Before rejoining IBM in 1999, she 
was a Director of Product Management for Publishing Tools for 
Inso Corporation in Providence, Rhode. From 1985-1992, Sharon 
held key positions with IBM where she led the development of 
standards-based authoring and document management tools. Sharon 
has been instrumental in the development of International 
computer standards for more than 30 years. She served as Vice 
Chair /Editor of multiple ANSI/ISO standards committees as well 
as her position as Chair of the XSLT Working Group from the W3C 
she has held since its inception in 1997.

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A Time Machine for XML: PUL Composition
Ghislain Fourny (ETH Zurich), Daniela Florescu (Oracle), Donald 
Kossmann (ETH Zurich), Markos Zacharioudakis (Oracle)
Sunday, March 14th, sponsored by FLWOR Foundation 9:35 CET; 
duration: 0:30h back to the schedule...
As storage - main memory as well as disk - becomes cheaper, the 
amount of available information is increasing and it is a 
challenge to organize it. Our broader aim is to provide a 
unified framework for efficiently versioning and querying data, 
documents, as well as any kind of semi-structured information 
between data and documents, which can be stored as XML. In 
order to query this information, we started with the XQuery 
programming language, and extended its data model, its syntax 
and its processing model to make it seamlessly time-aware. More 
specifically, to do this, we made the assumption that the 
changes made by an XQuery program can always be expressed as a 
PUL. This is not obvious with an XQuery Scripting Extension 
program, as it can apply several, possibly interdependent, 
PULs. The contribution of this paper is to introduce a new 
operation on pending update lists, called PUL composition, 
which allows to summarize the changes made by an entire XQuery 
Scripting program with a single PUL instead of a sequence of 
PULs.

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XQuery in the Browser (Demo)
Ghislain Fourny (ETH Zurich), Markus Pilman (ETH Zurich), 
Daniela Florescu (Oracle), Donald Kossmann (ETH Zurich), Tim 
Kraska (ETH Zurich), Darin McBeath (Elsevier)
Sunday, March 14th, sponsored by FLWOR Foundation 10:05 CET; 
duration: 0:25h back to the schedule...
Since the invention of the Web, the browser has become more and 
more powerful. By now, it is a programming and execution 
environment in itself. The predominant language to program 
applications in the browser today is JavaScript. With browsers 
becoming more powerful, JavaScript has been extended and new 
layers have been added (e.g., DOM-Support and XPath). Today, 
JavaScript is very successful and applications and GUI features 
implemented in the browser have become increasingly complex. We 
aim at improving the programmability of Web browsers by 
enabling the execution of XQuery programs in the browser. 
Although it has the potential to ideally replace JavaScript, it 
is possible to run it in addition to JavaScript for more 
flexibility. Furthermore, it allows instant code migration from 
the server to the client and vice-versa. This enables a 
significant simplification of the technology stack. The 
intuition is that programming the browser involves mostly XML 
(i.e., DOM) navigation and manipulation, and the XQuery family 
of W3C standards were designed exactly for that purpose. We 
developed an extension to XQuery for Web browsers and 
implemented it as a plugin for Internet Explorer and Firefox. 
Plugins for Chrome, Safari and Opera are on their way. The 
purpose of our contribution is to give a demo showing the 
usefulness and simplicity of XQuery for the development of 
AJAX-style applications.
Additional info: http://www.xqib.org

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Topic Maps run from XML and is coming back with Flowers
Benjamin Bock (Topic Maps Lab, University of Leipzig), Sven 
Krosse (Topic Maps Lab, University of Leipzig), Lutz Maicher 
(Topic Maps Lab, University of Leipzig)
Sunday, March 14th, sponsored by FLWOR Foundation 11:00 CET; 
duration: 0:30h back to the schedule...
In its history, Topic Maps developed from a syntax-based 
standard to a pure data model without any syntax defined within 
its core data model. The syntaxes defined by the ISO for the 
exchange of Topic Maps are conforming to the generic data 
model, one of them, XTM, being based on XML. The usage of XTM 
without a Topic Maps engine is cumbersome because of the 
generalized schema and the merging rules. For example, 
extracting useful information from XTM using XSLT requires to 
query for the typing topics, which is a new subquery just for 
selecting the right subject whereas it was the entity name in a 
domain specific XML format. Querying the properties, called 
Names and Occurrences in Topic Maps, requires additional 
subqueries because their types and scopes are again Topics and 
not simple XML entity- and attribute names. The Topic Maps 
Query Language which is the latest draft in the ISO 
standardization presented here allows formulating queries 
against a Topic Maps store in a concise way and outputting the 
result in various representations. Our implementation TMQL4J 
uses any TMAPI-compatible store to operate on and allows 
optimized queries and outputting domain-specific XML. This is 
demonstrated by generating an ATOM feed for the subject 
identity record service subj3ct.com.
Benjamin Bock
Benjamin started creating the first Topic Maps engine for Ruby 
in 2006 to unite rapid web application development with Ruby on 
Rails and the flexibility of Topic Maps data models. In 2008 he 
was founding member of the Topic Maps Lab where he now leads 
the Semantic Integration group. As an expert invited by the ISO 
he represents Germany in the further development of the Topic 
Maps international industry standards family.
Sven Krosse
Sven started his studies at the university of cooperative 
education of Leipzig and passed with a diploma at 2007. In the 
following two years, he studied at the university of Leipzig 
and finished in October 2009 with a master of science. During 
his studies he work as a freelancer and a research assistant at 
the university of Leipzig.
Since May 2009, Sven is a member of the topic maps lab and is 
working on the TMQL implementation. He is the project leader 
and main developer of the Java-based TMQL engine TMQL4J and 
implements different tools and programs to work with topic 
maps, like a CTMWriter based on TMAPIx.
Lutz Maicher
Lutz jumped into Topic Maps in 2002 as researcher at the 
University of Leipzig. After his doctoral thesis in the same 
field he established a research group only dedicated to Topic 
Maps. Today he leads the Topic Maps Lab which is an exciting 
crowd of Topic Maps enthusiasts.

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Extending XQuery with Collections, Indexes, and Integrity 
Constraints
Cezar Andrei (Oracle Corporation), Matthias Brantner (28msec 
Inc.), Daniela Florescu (Oracle Corporation), David Graf 
(28msec Inc.), Donald Kossmann (28msec Inc.), Markos 
Zaharioudakis (Oracle Corporation)
Sunday, March 14th, sponsored by FLWOR Foundation 11:30 CET; 
duration: 0:30h back to the schedule...
The standard XQuery language lacks the ability to define and 
manipulate persistent artifacts like collections, indexes, and 
integrity constraints. This paper introduces a first attempt to 
standardize the syntax and semantics of such extensions, and it 
studies the implications on the static context, dynamic context 
and processing model of XQuery while dealing with persistent 
data. The paper presents example modules that show how 
collections, indexes, and integrity constraints are declared, 
created, maintained, or accessed.

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Future of XML at W3C
Liam Quin (W3C)
Sunday, March 14th, sponsored by FLWOR Foundation 12:00 CET; 
duration: 0:40h back to the schedule...
The World Wide Web Consortium (W3C) published the specification 
for the Extensible Markup Language (XML, not an acronym) in 
1998; since then, W3C has produced a wide range of 
specifications central to XML, including namespaces, xml:id, 
XLink, XPath, XPointer, Schema, XSLT, XSL-FO, XQuery, and, more 
recently, SML, XProc, EXI and more. Several pieces of work are 
coming to a close in 2010. In the future, should the XML 
Activity at W3C grow again, or shrink? What work should we be 
doing that we are not? (and what should we not be doing that we 
are?)
The session will explore work that W3C could consider in the 
future, and will ask the audience to participate with comments 
and suggestions. It should be understood that W3C is funded by 
Membership fees, so that the work we can do is limited to what 
Members (both existing and future) might support, but, within 
that framework, there is a lot of flexibility.
Several other standards organizations and industry consortia 
have produced specifications relating to XML; some (such as 
ISO) may also have endorsed one or more W3C specifications. 
Should W3C endorse the use of some other specifications 
alongside our own? What relationship would the conference 
attendees like to see between W3C and ISO or OASIS, for 
example, or the XML Consortium in Japan?
Real time, all the time, ragtime XML
Mark Howe (Jalfrezi Software Limited), Tony Graham (Menteith 
Consulting Ltd), Alan Hazelden (Jalfrezi Software Limited)
Sunday, March 14th, sponsored by FLWOR Foundation 14:10 CET; 
duration: 0:30h back to the schedule...
All-XML paradigms such as XRX offer significant advantages over 
more conventional approaches to document management, but are 
not ideally suited to realtime applications. The paper explores 
an alternative all-XML approach based on small daemons with 
flexible mechanisms for connecting to each other and passing 
information. The approach is applied to a highly distributed 
live music system.
Mark Howe
Mark's programming career lurched from BBC BASIC and 6502 
assembler to Symbolics Zetalisp before settling on Perl, XSLT 
and, most recently, Scala. He develops website solutions, 
specialising in content management system and social networking 
sites, and is the team leader of the Xcruciate project.
Mark has a keen interest in online churches such as Church of 
Fools. He is the author of Online Church: First steps towards 
virtual incarnation which describes St Pixels. The Xcruciate 
project started with issues encountered by Mark while writing 
the software for St Pixels.
Tony Graham
Tony Graham has been working with markup since 1991, with XML 
since 1996, and with XSL/XSLT since 1998.
Tony is an invited expert on the W3C XSL FO subgroup and a 
previous member of the W3C XML Protocol WG. He is the author of 
Unicode: A Primer and the developer of the xmlroff XSL 
Formatter. He is a member of the XML Guild.
Tony is interested in applying the tools for ensuring software 
quality �C unit testing, code coverage, profiling, and other 
tools �C to XML and XSL/XSLT processes. He wrote the C/LibXSLT 
implementation of Xacerbate.
Alan Hazelden
Alan is a freelance programmer with a particular interest in 
game development and physics simulation. A recent Computer 
Science graduate from Warwick University, he has worked on a 
range of projects, from CAD via object-oriented Perl to the 
Java/Saxon implementation of Xacerbate.
Hobbies include juggling, reading and mathematics.

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Film Markup Language (Automating Cinemas Using XML)
Ari Nordström (Condesign Operations Support AB)
Sunday, March 14th, sponsored by FLWOR Foundation 14:40 CET; 
duration: 0:30h back to the schedule...
Film Markup Language (FML) is a DTD and a processing model for 
automating commercial cinemas. This whitepaper outlines the 
principles behind cinema automation, breaking down the process 
into semantic components, and applies XML to put the principles 
into practice.
Ari Nordström
Ari Nordström is the resident XML guy at Condesign Operations 
Support in Göteborg, Sweden. His information structures and 
solutions are used by Volvo Cars, Ericsson, and many others, 
with more added every year. His favourite XML specification 
remains XLink so quite a few of his frequent talks and 
presentations on XML focus on linking.
Ari Nordström spends some of his spare time projecting films at 
the Draken Cinema in Göteborg, Sweden, which should explain why 
he wants to automate cinemas using XML.

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28msec 'XQuery in the cloud' demos
Matthias Brantner (28msec Inc.), Daniela Florescu (Oracle), 
Donald Kossmann (28msec & ETH Zurich)
Sunday, March 14th, sponsored by FLWOR Foundation 16:25 CET; 
duration: 0:30h back to the schedule...
This demo shows how two key technologies can be combined in 
order to provide a novel breed of scalable information 
processing systems and architectures: (a) XQuery and (b) Cloud 
Computing. Using examples, we show how several classes of 
applications can be supported well in this way.

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Multimedia XML
Robin Berjon (Robineko)
Sunday, March 14th, sponsored by FLWOR Foundation 16:55 CET; 
duration: 0:30h back to the schedule...
The past couple of years have seen a drastic improvement of the 
web platform in its multimedia capabilities. From styled text 
with a few pictures, embedded objects, and limited 
interactivity we are now moving towards far greater integration 
of multiple media technologies resulting in a much richer 
platform being available. As multimedia XML reaches a level of 
maturity that makes it usable in the large, it is time to take a 
global look at what is available or becoming available today.
Robin Berjon
Robin has spent the better part of this decade setting 
standards for a large variety of XML and Web technologies 
within the W3C and other organisations. He has served as author 
or editor for more than dozen W3C standards, and chaired 
multiple groups working on XML optimisation and Web APIs. In 
addition to this, Robin has been an active participant in the 
Perl community releasing a number of open source projects around 
XML and Web publishing. In his copious spare time he reads, 
writes, and gets bitten by his cat.


--
Happy XMLing


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