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http://github.com/motools/tonalityontology
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    8. 

  8. <title>Tuning Ontology</title>
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  9. </head>
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  10. <body><div class="page">
    11. 

  11. <h1>The Tuning Ontology</h1>
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  12. <span style="font-size: large; "> 
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  13. <table width="100%" border="0">
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  14.  <tr>
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  15.   <td>
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  16. 	<dt><strong>Draft :</strong></dt>
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  17. 		<dd><tt style="font-size: medium">http://purl.org/ontology/tuning/</tt></dd>
    18. 

  18. 	<dt><strong>Published :</strong></dt>
    19. 

  19. 		<dd>25th March 2008 </dd>
    20. 

  20. 	<dt><strong>Authors :</strong></dt>
    21. 

  21. 		<dd> <a href="mailto: david.pas@gmail.com">David Pastor Escuredo</a></dd>
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  22.   </td>
    23. 

  23.   <td>
    24. 

  24. 	<a href="http://www.omras2.com"><img src="O2textsmi2.png" alt="OMRAS2 Project Logo" border="0"/></a>
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  25.   </td>
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  26.  </tr>
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  27. </table>
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  28. </span>
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  29. <br>
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  30. 

  31. 

  32. <hr/>
    33. 

  33. 

  34. <h2>Table of Contents</h2>
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  35. <ol>
    36. 

  36. 	<li><a href="#introduction">Introduction</a></li>
    37. 

  37. 	<ol>
    38. 

  38. 		<li><a href="#acknowledgements">Acknowledgements</a></li>
    39. 

  39. 		<li><a href="#namespaces">Namespaces</a></li>
    40. 

  40. 	</ol>
    41. 

  41. 	<li><a href="#overview">Overview of Terms</a></li>
    42. 

  42. 	<li><a href="#terms">Ontology Terms</a></li>
    43. 

  43. 	<ol>
    44. 

  44. 		<li><a href="#terms_classes">Classes</a></li>
    45. 

  45. 		<li><a href="#terms_props">Properties</a></li>
    46. 

  46. 		<li><a href="#terms_inds">Individuals</a></li>
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  47. 	</ol>
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  48. </ol>
    49. 

  49. 	
    50. 

  50. 	
    51. 

  51. <h2 id="introduction">Introduction</h2>
    52. 

  52. 

  53. <p>This document is a very first draft of a tuning RDF description developed in the Centre for Digital Music, Queen Mary, University of London as part of the <a href="http://www.omras2.com/">OMRAS2</a> project. The objective of this ontology is to describe Tuning Systems as support for the Tonality Ontology. It is also conceived to be helpful describing the tuning of an instrument or a band so it has been splitted up as another ontology module.</p>
    54. 

  54. <p>All feedback is welcome and if you would like to propose changes or additions to the ontology, the best place to do so is on the <a href="http://groups.google.com/group/music-ontology-specification-group">Music Ontology mailing list</a>. If you prefer, please feel free to contact the author of the document.</p>
    55. 

  55. 

  56. <h3 id="acknowledgements">Acknowledgements</h3>
    57. 

  57. <p>The author would like to thank the Centre for Digital Music and the Music Ontology Community for the necessary support to develop this work.</p>
    58. 

  58. <p>The design and layout of this ontology document is based on the <a href="http://www.musicontology.com/">Music Ontology</a> and <a href="http://xmlns.com/foaf/spec/">FOAF Vocabulary</a> specification documents.</p>
    59. 

  59. 

  60. 

  61. <h3 id="namespaces">Namespaces</h3>
    62. 

  62. <p>Several namespaces will be assumed to have been defined for the remainder of this document. These are as follows :</p>
    63. 

  63. <table width="75%">
    64. 

  64.   <tr style="text-align: left"><th>Prefix</th><th>XML Namespace</th><th>Description</th></tr>
    65. 

  65.    <tr>
    66. 

  66.     <td width="15%">tonality</td>
    67. 

  67.     <td width="30%">http://purl.org/ontology/tonality/</td>
    68. 

  68.     <td width="30%"><a href="http://purl.org/ontology/tonality/">The Tonality Ontology</a></td>
    69. 

  69.   </tr>	
    70. 

  70.   <tr>
    71. 

  71.     <td width="15%">chord</td>
    72. 

  72.     <td width="30%">http://purl.org/ontology/chord/</td>
    73. 

  73.     <td width="30%"><a href="http://purl.org/ontology/chord/">The OMRAS2 Chord Ontology</a></td>
    74. 

  74.   </tr>
    75. 

  75.   <tr>
    76. 

  76.     <td width="15%">timeline</td>
    77. 

  77.     <td width="30%">http://purl.org/NET/c4dm/timeline.owl#</td>
    78. 

  78.     <td width="30%"><a href="http://purl.org/NET/c4dm/timeline.owl#">The TimeLine ontology</a></td>
    79. 

  79.   </tr>  
    80. 

  80.   <tr>
    81. 

  81.     <td width="15%">event</td>
    82. 

  82.     <td width="30%">http://purl.org/NET/c4dm/event.owl#</td>
    83. 

  83.     <td width="30%"><a href="http://purl.org/NET/c4dm/event.owl#">The Event ontology</a></td>
    84. 

  84.   </tr>  
    85. 

  85.   <tr>
    86. 

  86.     <td width="15%">mo</td>
    87. 

  87.     <td width="30%">http://purl.org/ontology/mo/</td>
    88. 

  88.     <td width="30%"><a href="http://www.musicontology.com">The Music Ontology</a></td>
    89. 

  89.   </tr>  
    90. 

  90.   <tr>
    91. 

  91.     <td width="15%">tuning</td>
    92. 

  92.     <td width="30%">http://purl.org/ontology/tuning/</td>
    93. 

  93.     <td width="30%"><a href="http://purl.org/ontology/tuning/">Tuning systems description</a></td>
    94. 

  94.   </tr>			
    95. 

  95. </table>
    96. 

  96. 

  97. <hr/>
    98. 

  98. <h2 id="overview">Overview of Terms</h2>
    99. 

  99. <p>An alphabetical index of the ontology terms, divided into classes, properties and individuals. All the terms are hyperlinked to their detailed description for quick reference.</p><div class="glance" id="glance">
    100. 

  100. <p>Classes: | <a href="#term_EqualTemperament">EqualTemperament</a> | <a href="#term_InstrumentTuning">InstrumentTuning</a> | <a href="#term_JustIntonation">JustIntonation</a> | <a href="#term_MeantoneTemperament">MeantoneTemperament</a> | <a href="#term_Tuning">Tuning</a> | <a href="#term_TuningSystem">TuningSystem</a> | <a href="#term_WellTemperament">WellTemperament</a> |  </p>
    101. 

  101. <p>Properties: | <a href="#term_frequency_A">frequency_A</a> | 
    102. 

  102. <a href="#term_octave_divisions">octave_divisions</a> | 
    103. 

  103. </p>
    104. 

  104. <p>Individuals: | <a href="#term_twelve_edo">twelve_edo</a> | 
    105. 

  105.  </p></div><h2 id="terms">Ontology Terms</h2><h2 id="terms_classes">Classes</h2><div class="specterm" id="term_EqualTemperament"><h3>Class: tuning:EqualTemperament   -   unstable   -   </h3>
    106. 

  106. <em>EqualTemperament</em>
    107. 

  107.  - Temperament adjusts the intervals of the octave dividing it in equal steps. 
    108. 

  108. <br/>
    109. 

  109. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    110. 

  110. <br/>
    111. 

  111. <table style="th { float: top; }">
    112. 

  112. 

  113. <tr><th>sub-class-of:</th><td><a href="#term_TuningSystem">TuningSystem</a></td>
    114. 

  114. </tr>
    115. 

  115. </table>
    116. 

  116. 

  117. </div><div class="specterm" id="term_InstrumentTuning"><h3>Class: tuning:InstrumentTuning   -   unstable   -   </h3>
    118. 

  118. <em>InstrumentTuning</em>
    119. 

  119.  - Class representing the specific tuning of an instrument. 
    120. 

  120. <br/>
    121. 

  121. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    122. 

  122. <br/>
    123. 

  123. <table style="th { float: top; }">
    124. 

  124. 

  125. </table>
    126. 

  126. 

  127. </div><div class="specterm" id="term_JustIntonation"><h3>Class: tuning:JustIntonation   -   unstable   -   </h3>
    128. 

  128. <em>JustIntonation</em>
    129. 

  129.  - Tuning system where intervals are just related by rationale number ratios. 
    130. 

  130. <br/>
    131. 

  131. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    132. 

  132. <br/>
    133. 

  133. <table style="th { float: top; }">
    134. 

  134. 

  135. <tr><th>sub-class-of:</th><td><a href="#term_TuningSystem">TuningSystem</a></td>
    136. 

  136. </tr>
    137. 

  137. </table>
    138. 

  138. 

  139. </div><div class="specterm" id="term_MeantoneTemperament"><h3>Class: tuning:MeantoneTemperament   -   unstable   -   </h3>
    140. 

  140. <em>MeantoneTemperament</em>
    141. 

  141.  - Meantone temperament. 
    142. 

  142. <br/>
    143. 

  143. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    144. 

  144. <br/>
    145. 

  145. <table style="th { float: top; }">
    146. 

  146. 

  147. <tr><th>sub-class-of:</th><td><a href="#term_TuningSystem">TuningSystem</a></td>
    148. 

  148. </tr>
    149. 

  149. </table>
    150. 

  150. 

  151. </div><div class="specterm" id="term_Tuning"><h3>Class: tuning:Tuning   -   unstable   -   </h3>
    152. 

  152. <em>Tuning</em>
    153. 

  153.  - Class representing the specific tuning. 
    154. 

  154. <br/>
    155. 

  155. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    156. 

  156. <br/>
    157. 

  157. <table style="th { float: top; }">
    158. 

  158. <tr><th>in-domain-of:</th><td><a href="#term_frequency_A">frequency_A</a></td>
    159. 

  159. </tr>
    160. 

  160. 

  161. </table>
    162. 

  162. 

  163. </div><div class="specterm" id="term_TuningSystem"><h3>Class: tuning:TuningSystem   -   unstable   -   </h3>
    164. 

  164. <em>TuningSystem</em>
    165. 

  165.  - Class representing the tuning of the octave. 
    166. 

  166. <br/>
    167. 

  167. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    168. 

  168. <br/>
    169. 

  169. <table style="th { float: top; }">
    170. 

  170. <tr><th>in-domain-of:</th><td><a href="#term_octave_divisions">octave_divisions</a></td>
    171. 

  171. </tr>
    172. 

  172. 

  173. </table>
    174. 

  174. 

  175. </div><div class="specterm" id="term_WellTemperament"><h3>Class: tuning:WellTemperament   -   unstable   -   </h3>
    176. 

  176. <em>WellTemperament</em>
    177. 

  177.  - Temperament adjusts the intervals of the octave so the progression of interval is circular but not through equal intervals. 
    178. 

  178. <br/>
    179. 

  179. <p style="float: right; font-size: small;">[<a href="#glance">back to top</a>]</p>
    180. 

  180. <br/>
    181. 

  181. <table style="th { float: top; }">
    182. 

  182. 

  183. <tr><th>sub-class-of:</th><td><a href="#term_TuningSystem">TuningSystem</a></td>
    184. 

  184. </tr>
    185. 

  185. </table>
    186. 

  186. 

  187. </div><h2 id="terms_props">Properties</h2><div class="specterm" id="term_frequency_A">
    188. 

  188. <h3>Property: tuning:frequency_A   -   unstable   -   </h3>
    189. 

  189. <em>frequency_A</em> - tuning of an instrument given the exact frequency for A 
    190. 

  190. <br/><table style="th { float: top; }">
    191. 

  191. <tr><th>Domain:</th>
    192. 

  192. <td><a href="#term_Tuning">Tuning</a></td>
    193. 

  193. 

  194. </tr>
    195. 

  195. <tr><th>Range:</th>
    196. 

  196. <td><a href="http://www.w3.org/2001/XMLSchema#decimal">xsd:decimal</a></td>
    197. 

  197. </tr>
    198. 

  198. 

  199. 

  200. </table>
    201. 

  201. <br/></div><div class="specterm" id="term_octave_divisions">
    202. 

  202. <h3>Property: tuning:octave_divisions   -   unstable   -   </h3>
    203. 

  203. <em>octave_divisions</em> - Number of divisions within the octave. 
    204. 

  204. <br/><table style="th { float: top; }">
    205. 

  205. <tr><th>Domain:</th>
    206. 

  206. <td><a href="#term_TuningSystem">TuningSystem</a></td>
    207. 

  207. 

  208. </tr>
    209. 

  209. <tr><th>Range:</th>
    210. 

  210. <td><a href="http://www.w3.org/2001/XMLSchema#integer">xsd:integer</a></td>
    211. 

  211. </tr>
    212. 

  212. 

  213. 

  214. </table>
    215. 

  215. <br/></div><h2 id="terms_inds">Individuals</h2><div class="specterm" id="term_twelve_edo">
    216. 

  216. <h3>Individual: twelve_edo   -   </h3>
    217. 

  217. <em>edo 12</em> - equal division of the octave in twelve steps. 
    218. 

  218. <br/><table style="th { float: top; }"><tr><th>Class:</th>
    219. 

  219. <td><a href="#term_EqualTemperament">tuning:EqualTemperament</a></td>
    220. 

  220. </tr></table></div>
    221.