<!-- =================================================================================  -->
<!--       File Name            : nndef_v1_0.dtd                                        -->
<!--       Document Type        : NNDEF (NN definition Markup Language)                 -->
<!--       Creation date        : November 22, 2003                                     -->
<!--       Last Modification    : December 17, 2003                                     -->
<!--       Comments             : Copyright 2003 Pejman Makhfi                          -->
<!-- =================================================================================  -->

<!-- DISCLAIMER: THIS WORK IS PROVIDED "AS IS." THE COPYRIGHT HOLDER AND THE -->
<!-- CONTRIBUTING AUTHORS OF THIS WORK MAKE NO REPRESENTATIONS OR WARRANTIES (i) -->
<!-- EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, -->
<!-- FITNESS FOR A PARTICULAR PURPOSE, TITLE OR NON-INFRINGEMENT; (ii) THAT THE -->
<!-- CONTENTS OF SUCH WORK ARE FREE FROM ERROR OR SUITABLE FOR ANY PURPOSE; NOR THAT -->
<!-- IMPLEMENTATION OF SUCH CONTENTS WILL NOT INFRINGE ANY THIRD PARTY PATENTS, -->
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<!-- INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES FOR ANY USE OF THIS WORK, INCLUDING, -->
<!-- WITHOUT LIMITATION, ANY LOST PROFITS, BUSINESS INTERRUPTION, LOSS OF PROGRAMS OR -->
<!-- OTHER DATA ON YOUR INFORMATION HANDLING SYSTEM OR OTHERWISE, EVEN IF THE -->
<!-- COPYRIGHT HOLDER OR ANY CONTRIBUTORS TO THIS WORK IS EXPRESSLY ADVISED OF THE -->
<!-- POSSIBILITY OF SUCH DAMAGES. -->

<!-- Permission to use and distribute the NNDEF DTD and its accompanying documentation -->
<!-- for any purpose and without fee is hereby granted in perpetuity, provided that -->
<!-- the above copyright notice and this paragraph appear in all copies. -->
<!-- The copyright holders make no representations about the suitability of the DTD -->
<!-- for any purpose. -->

<!-- ============================= Entity definitions ============================== -->

<!ENTITY % EXT.COMBINATIONFUNCTION "">

<!ENTITY % EXT.TRANSFERFUNCTION "">

<!-- =================================================================================
netsum - sum of all inputs
dist - Distance function, used by RBF
====================================================================================== -->
<!ENTITY % COMBINATIONFUNCTION "(
netsum|
dist|
%EXT.COMBINATIONFUNCTION;
)">

<!-- =================================================================================
hardlim - Hard limit or Threshold 0 to 1
hardlims - Symmetric hard limit or Threshold -1 to 1
satlin - Saturating linear 0 to 1
satlins - Symmetric saturating linear -1 to 1

purelin - Linear transfer function -inf to +inf

logsig - Log sigmoid 0 to 1
tansig - Hyperbolic tangent sigmoid -1 to 1

radbas - Radial basis function 0 to 1

compet - Competitive function, what is the output? Used by PNN
====================================================================================== -->
<!ENTITY % TRANSFERFUNCTION "(
hardlim|
hardlims|
satlin|
satlins|
purelin|
logsig|
tansig|
radbas|
compet|
%EXT.TRANSFERFUNCTION;
)">
<!--
<!ENTITY % EXT.COMBINATIONFUNCTION "">

<!ENTITY % EXT.TRANSFERFUNCTION "">
-->

<!ENTITY % INT "CDATA" >
<!-- content must be an integer, no fractions or exponent -->
<!ENTITY % REAL "CDATA">
<!-- covering 'float', long and 'double' -->
<!ENTITY % PERCENTAGE "CDATA">
<!-- a REAL between 0.0 and 100.0 -->
<!ENTITY % STRING "CDATA" >
<!-- Regular String content -->
<!ENTITY % DATE "CDATA">
<!-- DATE in the following format: MM/DD/YYYY -->
<!ENTITY % DATETIME "CDATA">
<!-- DATE and TIME in the following format: MM/DD/YYYY HH:MM -->

<!ELEMENT NNDEF (Network, Layer+)>
<!ATTLIST NNDEF
version CDATA #FIXED '1.0'
>

<!ELEMENT Network (Extension*,Name,Description,CreatedOn,Author,InputList?,OutputList?)>

<!-- AutoScale is used only for linear scaling -->
<!ATTLIST Network
Type (MLP|RBF) #IMPLIED
Layers %INT; #IMPLIED
Inputs %INT; #IMPLIED
Outputs %INT; #IMPLIED
AutoScale (on|off) #IMPLIED
>

<!ELEMENT Name (#PCDATA)>
<!ELEMENT Description (#PCDATA)>
<!ELEMENT CreatedOn (#PCDATA)>

<!ELEMENT Author (
Name,
Contact)
>

<!ELEMENT Contact (#PCDATA)>
<!ATTLIST Contact
Type CDATA #IMPLIED
>

<!ELEMENT InputList (Input+)>
<!ELEMENT OutputList (Output+)>

<!ELEMENT Input (Option*)>
<!ATTLIST Input
OrderId %INT; #IMPLIED
Name CDATA #IMPLIED
ScaleOffset %REAL; #IMPLIED
ScaleBy %REAL; #IMPLIED
>

<!ELEMENT Option EMPTY>
<!ATTLIST Option
ActualValue CDATA #IMPLIED
TransValue %REAL; #IMPLIED
>

<!ELEMENT Output (Option*)>
<!ATTLIST Output
OrderId %INT; #IMPLIED
Name CDATA #IMPLIED
ScaleOffset %REAL; #IMPLIED
RescaleBy %REAL; #IMPLIED
>

<!ELEMENT Layer (Extension*, Neuron+)>
<!ATTLIST Layer
OrderId %INT; #IMPLIED
TransferFunction %TRANSFERFUNCTION; #IMPLIED
CombinationFunction %COMBINATIONFUNCTION; #IMPLIED
>

<!ELEMENT Neuron (Extension*, InputWeights, Bias)>
<!ATTLIST Neuron
OrderId %INT; #IMPLIED
TransferFunction %TRANSFERFUNCTION; #IMPLIED
CombinationFunction %COMBINATIONFUNCTION; #IMPLIED
>

<!ELEMENT InputWeights (Weight+)>

<!ELEMENT Weight (#PCDATA)>
<!ATTLIST Weight
OrderId %INT; #IMPLIED
Value %REAL; #IMPLIED
>

<!ELEMENT Bias (#PCDATA)>
<!ATTLIST Bias
Value %REAL; #IMPLIED
>

<!ELEMENT Extension ANY>
<!ATTLIST Extension
name CDATA #IMPLIED
type CDATA #IMPLIED
value CDATA #IMPLIED
>

---