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Daniel K. Schneider at 13:31, 9 July 2009

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== Definition ==

'''TeachML''' is an [[educational modelling language]] for contents. The code can be run in the Targeteam software.

This project may be dead since the [http://www.targeteam.net/ homepage] of the project is dead. See [[ELML]], a very similar (and alive) project.

'''TeachML''' has been created in the TArgeted Reuse and GEneration of TEAching Materials (Targeteam) project). {{quotation | Targeteam is a system for supporting the preparation, use, and reuse of teaching materials. It is centered around the XML based language TeachML which can be classified as an "educational modelling language".}} ([http://www.targeteam.net/], retrieved 15:50, 29 May 2007 (MEST)).

The Targeteam project is a joint development effort of the group of Prof. Gunnar Teege, University of the Armed Forces, and Prof. Johann Schlichter, Technical University, both at faculty of Informatics, in Munich, Germany.
The Targeteam System is an Open Source development, implemented completely in Java. The System and all documentation can be downloaded from the [http://www.targeteam.net/ Targeteam homepage] and can freely be used and distributed.

== TeachML architecture ==

The most important element of TeachML is the '''issue''': {{quotation|Targeteam [...] provides an abstract structure in the form of a homogeneous hierarchy of issues . Content chunks are not identified as “chapter”, “section”, “paragraph”, “list entry”, “exercise”, “slide”, “course unit” etc. Instead, the actual structure is generated automatically from the homogeneous hierarchy when the delivery format is produced. The abstract structure makes it possible, to reuse Targeteam content chunks in differently structured contexts. The same issue can be used in one context as a subsection where the subissues become list entries, and in another context as a separate chapter where the subissues become sections
}} ([http://www.eurodl.org/materials/contrib/2002/7teege/teege.htm Teege, 2002])

The main structure of TeachML can be formalized with a [[UML class diagram]]
[[image:teachml-teege2002.gif|frame|none|UML diagram of the main structure in TeachML ([http://www.eurodl.org/materials/contrib/2002/7teege/teege.htm Teege, 2002])]]

=== TeachML 1.2 Integrated Materials Language ===

<source lang="xml">
<?xml version="1.0" encoding="ISO-8859-1"?>








<!ELEMENT teachml ( module ) >





<!ENTITY % ContentCore.mix
"note | definition | code | defined | emph | quote | ref | whatsit | xor"
>


<!ENTITY % ElementsCore.mix
"%ContentCore.mix; | header | intro | kernel
| details | illustration | exercises | metaissues | summary
| module | issue " >



<!ENTITY % ElementsBox.mix "vbox | hbox | cbox | ivbox | ihbox" >


<!ENTITY % ContentBox.mix "%ElementsBox.mix;" >



<!ENTITY % ElementsTup.mix "tuples | metatuple | tuple | ten" >


<!ENTITY % ContentTup.mix "tuples" >



<!ENTITY % ElementsAstep.mix "atom-stepping | atoms | step | nosteps" >


<!ENTITY % ContentAstep.mix "%ElementsAstep.mix;" >



<!ENTITY % ElementsIntegrated.mix "atom" >


<!ENTITY % ContentIntegrated.mix
"%ElementsIntegrated.mix;"
>

<!ENTITY % Content.mix
"| %ContentCore.mix; | %ContentBox.mix; | %ContentTup.mix; |
%ContentAstep.mix; | %ContentIntegrated.mix;" >

<!ENTITY % Elements.mix
"| %ElementsCore.mix; | %ElementsBox.mix; | %ElementsTup.mix; |
%ElementsAstep.mix; | %ElementsIntegrated.mix;" >





<!ENTITY % Inissue.class
"header | intro | kernel
| details | illustration | exercises | metaissues | summary"
>



<!ELEMENT module ( issue )+ >
<!ATTLIST module
id ID #IMPLIED >




<!ELEMENT issue ( %Inissue.class; )* >
<!ATTLIST issue
id ID #IMPLIED
kind CDATA #IMPLIED
author CDATA #IMPLIED
affiliation CDATA #IMPLIED >

<!ELEMENT header ( #PCDATA %Content.mix; )* >

<!ELEMENT intro ( #PCDATA %Content.mix; )*" >
<!ATTLIST intro id ID #IMPLIED>

<!ELEMENT kernel ( #PCDATA %Content.mix; )* >
<!ATTLIST kernel id ID #IMPLIED>

<!ELEMENT summary ( #PCDATA %Content.mix; )* >
<!ATTLIST summary id ID #IMPLIED>

<!ELEMENT xor ( alt )* >

<!ELEMENT alt ( #PCDATA | issue %Content.mix; )* >
<!ATTLIST alt types NMTOKENS "standard">



<!ENTITY % [http://www.eurodl.org/materials/contrib/2002/7teege/teege.htm Teege, 2002]Issuegroup.attrib "
id ID #IMPLIED
header CDATA #IMPLIED
labels (numbers | letters | capletters | dots) #IMPLIED
first-label CDATA #IMPLIED
label-pre CDATA #IMPLIED
label-post CDATA #IMPLIED
" >

<!ELEMENT details ( issue | xor )* >
<!ATTLIST details %Issuegroup.attrib; >

<!ELEMENT illustration ( issue | xor )* >
<!ATTLIST illustration %Issuegroup.attrib; >

<!ELEMENT metaissues ( issue | xor )* >
<!ATTLIST metaissues %Issuegroup.attrib; >

<!ELEMENT exercises ( issue | xor )* >
<!ATTLIST exercises %Issuegroup.attrib; >




<!ELEMENT definition ( #PCDATA %Content.mix; )* >
<!ATTLIST definition id ID #IMPLIED>

<!ELEMENT note ( #PCDATA %Content.mix; )* >
<!ATTLIST note id ID #IMPLIED>

<!ELEMENT code ( #PCDATA %Content.mix; )* >

<!ELEMENT defined ( #PCDATA %Content.mix; )* >

<!ELEMENT emph ( #PCDATA %Content.mix; )* >

<!ELEMENT quote ( #PCDATA %Content.mix; )* >

<!ELEMENT whatsit ( #PCDATA %Content.mix; )* >
<!ATTLIST whatsit kind CDATA #REQUIRED>




<!ELEMENT ref ( #PCDATA %Content.mix; )* >
<!ATTLIST ref target-module NMTOKEN #IMPLIED
target-atom NMTOKEN #IMPLIED
target NMTOKEN #IMPLIED
url CDATA #IMPLIED>




<!ELEMENT include EMPTY >
<!ATTLIST include select CDATA #REQUIRED>



<!ELEMENT vbox ( %ElementsBox.mix; )+ >
<!ATTLIST vbox
width CDATA #IMPLIED
id ID #IMPLIED >

<!ELEMENT hbox ( %ElementsBox.mix; )+ >
<!ATTLIST hbox
width CDATA #IMPLIED
id ID #IMPLIED >

<!ELEMENT cbox ( #PCDATA %Content.mix; )* >
<!ATTLIST cbox
width CDATA #IMPLIED
id ID #IMPLIED >

<!ELEMENT ivbox ( %ElementsBox.mix; )+ >
<!ATTLIST ivbox
width CDATA #IMPLIED
id ID #IMPLIED >

<!ELEMENT ihbox ( %ElementsBox.mix; )+ >
<!ATTLIST ihbox
width CDATA #IMPLIED
id ID #IMPLIED >



<!ELEMENT tuples ( metatuple?, tuple+ ) >
<!ATTLIST tuples
arity CDATA #IMPLIED
id ID #IMPLIED >

<!ELEMENT metatuple ( ten+ ) >

<!ELEMENT tuple ( ten+ ) >


<!ELEMENT ten ( #PCDATA %Content.mix; )* >



<!ELEMENT atom-stepping ( #PCDATA %Content.mix; )* >
<!ATTLIST atom-stepping
id ID #IMPLIED >

<!ELEMENT atoms ( atom )+ >

<!ELEMENT step ( #PCDATA %Content.mix; )* >
<!ATTLIST step
atom CDATA #REQUIRED
initial (true|false) "false" >

<!ELEMENT nosteps EMPTY >
<!ATTLIST nosteps
atom CDATA #REQUIRED >


<!ELEMENT atom ( alternative )+ >
<!ATTLIST atom
id ID #IMPLIED >

<!ELEMENT alternative EMPTY >
<!ATTLIST alternative
name CDATA #REQUIRED
extension CDATA #REQUIRED
type CDATA #REQUIRED
derived-from CDATA #IMPLIED
derived-by CDATA #IMPLIED>
</source>

== Discussion ==

The following text is copy/paste from http://www.targeteam.net/ (!), , retrieved 15:50, 29 May 2007 (MEST).

; Learner's Experience
The feedback from learners was positive about the rich offer of different delivery formats which can be selected according to the learning situation and personal preferences. The main delivery formats offered where a fulltext script in PDF, a fulltext online script as structured HTML, and a short "slide" version in HTML used during the lectures.

; Authors Experience
After a period of accomodation the abstract structure and the separation from layout of the Targeteam content was perceived by authors as making the development of teaching materials substantially easier. However, this is only true for the development of new content or the reuse of Targeteam content. The reuse of "legacy content", such as content in LaTeX, Powerpoint or Word format, is rather difficult.

== Links ==

* [http://www.targeteam.net/ TArgeted Reuse and GEneration of TEAching Materials] (TargeTeam Homepage - '''dead''' link June 2009)

* [http://inf3-www.informatik.unibw-muenchen.de/research/projects/targeteam/targeteam-0.5.8/doc/index.html Targeteam Documentation]

== Bibliography ==

* Teege, Gunnar (2002), ''Reuse of Teaching Materials in Targeteam'' [http://www.eurodl.org/materials/contrib/2002/7teege/teege.htm HTML]

* Ruch, Tobias (2008). ''Konzeption und Realisierung eines Layout-Editors für TeachML-Kursinhalte'', Vdm Verlag Dr. Müller, ISBN 3639046293.

* Wehner, F. & Lorz, A. (2001). Developing Modular and Adaptable Courseware Using TeachML. In C. Montgomerie & J. Viteli (Eds.), Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications 2001 (pp. 2013-2018). Chesapeake, VA: AACE. [http://www.editlib.org/p/9018 Abstract/PDF]

[[Category: Standards]]
[[Category: Instructional design models]]
[[Category: Educational modeling languages]]
[[Category: XML]]

TeachML - Revision history

Daniel K. Schneider: Text replacement - "$" to " {{edutechwiki}}"

Daniel K. Schneider: 1 revision imported

Daniel K. Schneider at 13:31, 9 July 2009