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   1  <?xml version="1.0" encoding="UTF-8"?>
   2  <!--*************************************************************************-->
   3  <!--** This schema has been modified from the original base schema named - **-->
   4  <!--** elementNames.xsd                                                    **-->
   5  <!--** using the IMS SchemaProf tool. This tool is based on software from  **-->
   6  <!--** the TELCERT Project which was funded in part by the European        **-->
   7  <!--** Commission under contract IST-507128                                **-->
   8  <!--*************************************************************************-->
   9  <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://ltsc.ieee.org/xsd/imscc/LOM" targetNamespace="http://ltsc.ieee.org/xsd/imscc/LOM" elementFormDefault="qualified" version="IEEE LTSC LOM XML 1.0 localised_Schema_2008_6_30">
  10  
  11     <xs:annotation>
  12        <xs:documentation>
  13           This work is licensed under the Creative Commons Attribution-ShareAlike
  14           License.  To view a copy of this license, see the file license.txt,
  15           visit http://creativecommons.org/licenses/by-sa/2.0 or send a letter to
  16           Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
  17        </xs:documentation>
  18  
  19        <xs:documentation>
  20           This component schema defintion defines global element declarations for
  21           each of the data elements defined in the LOMv1.0 base schema.  This component
  22           schema definition is used to check for the uniqueness of elements declared
  23           to be unique within their parent elements by the presence of the
  24           "uniqueElementName" attribute.  The XML Schema constraint "unique" is used
  25           to enforce uniqueness constraints.
  26  
  27           Duplicate declarations are included as comments for completeness.  These
  28           declarations should remain commented out or they can be removed completely.
  29        </xs:documentation>
  30        <xs:documentation>
  31           This file has been modified by the Knowledge Media Institute of the 
  32           University Koblenz-Landau (http://iwm.uni-koblenz.de). It contains the
  33           following changes:
  34           1) Instead of "unique/strict.xsd" the schema "unique/loose.xsd" is imported 
  35              because this reflects what is said in 1484.12.3-2005, page 35 (section C.1.3)
  36           2) In all component XSDs the schemaLocation attribute was amended to the 
  37              xs:import and xs:include statements. This enables the usage of the schemas
  38              with tools which don't deal well with missing schemaLocation informations.
  39              
  40           This file is available at "http://iwm.uni-koblenz.de/xsd/IEEE-LOM/loose"
  41        </xs:documentation>
  42     </xs:annotation>
  43  
  44     <!-- Element declarations -->
  45  
  46     <!-- Duplicate declarations are included as comments. -->
  47  
  48     <!-- 1 General -->
  49     <xs:group name="general">
  50        <xs:sequence>
  51           <xs:element name="general" type="general">
  52              <xs:unique name="generalUnique">
  53                 <xs:selector xpath="*" />
  54                 <xs:field xpath="@uniqueElementName" />
  55              </xs:unique>
  56           </xs:element>
  57        </xs:sequence>
  58     </xs:group>
  59  
  60     <!-- 1.1 Identifier -->
  61     <xs:group name="identifier">
  62        <xs:sequence>
  63           <xs:element name="identifier" type="identifier">
  64              <xs:unique name="identifierUnique">
  65                 <xs:selector xpath="*" />
  66                 <xs:field xpath="@uniqueElementName" />
  67              </xs:unique>
  68           </xs:element>
  69        </xs:sequence>
  70     </xs:group>
  71  
  72     <!-- 1.1.1 Catalog -->
  73     <xs:group name="catalog">
  74        <xs:sequence>
  75           <xs:element name="catalog" type="catalog" />
  76        </xs:sequence>
  77     </xs:group>
  78  
  79     <!-- 1.1.2 Entry -->
  80     <xs:group name="entry">
  81        <xs:sequence>
  82           <xs:element name="entry" type="entry" />
  83        </xs:sequence>
  84     </xs:group>
  85  
  86     <!-- 1.2 Title -->
  87     <xs:group name="title">
  88        <xs:sequence>
  89           <xs:element name="title" type="title" />
  90        </xs:sequence>
  91     </xs:group>
  92  
  93     <!-- 1.3 Language-->
  94     <xs:group name="language">
  95        <xs:sequence>
  96           <xs:element name="language" type="LanguageId" />
  97        </xs:sequence>
  98     </xs:group>
  99  
 100     <!-- 1.4 Description -->
 101     <xs:group name="descriptionUnbounded">
 102        <xs:sequence>
 103           <xs:element name="description" type="LanguageString" />
 104        </xs:sequence>
 105     </xs:group>
 106  
 107     <!-- 1.5 Keyword -->
 108     <xs:group name="keyword">
 109        <xs:sequence>
 110           <xs:element name="keyword" type="keyword" />
 111        </xs:sequence>
 112     </xs:group>
 113  
 114     <!-- 1.6 Coverage -->
 115     <xs:group name="coverage">
 116        <xs:sequence>
 117           <xs:element name="coverage" type="coverage" />
 118        </xs:sequence>
 119     </xs:group>
 120  
 121     <!-- 1.7 Structure -->
 122     <xs:group name="structure">
 123        <xs:sequence>
 124           <xs:element name="structure" type="structure">
 125              <xs:unique name="structureUnique">
 126                 <xs:selector xpath="*" />
 127                 <xs:field xpath="@uniqueElementName" />
 128              </xs:unique>
 129           </xs:element>
 130        </xs:sequence>
 131     </xs:group>
 132  
 133     <!-- 1.8 Aggregation Level -->
 134     <xs:group name="aggregationLevel">
 135        <xs:sequence>
 136           <xs:element name="aggregationLevel" type="aggregationLevel">
 137              <xs:unique name="aggregationLevelUnique">
 138                 <xs:selector xpath="*" />
 139                 <xs:field xpath="@uniqueElementName" />
 140              </xs:unique>
 141           </xs:element>
 142        </xs:sequence>
 143     </xs:group>
 144  
 145     <!-- 2 Life Cycle -->
 146     <xs:group name="lifeCycle">
 147        <xs:sequence>
 148           <xs:element name="lifeCycle" type="lifeCycle">
 149              <xs:unique name="lifeCycleUnique">
 150                 <xs:selector xpath="*" />
 151                 <xs:field xpath="@uniqueElementName" />
 152              </xs:unique>
 153           </xs:element>
 154        </xs:sequence>
 155     </xs:group>
 156  
 157     <!-- 2.1 Version -->
 158     <xs:group name="version">
 159        <xs:sequence>
 160           <xs:element name="version" type="version" />
 161        </xs:sequence>
 162     </xs:group>
 163  
 164     <!-- 2.2 Status -->
 165     <xs:group name="status">
 166        <xs:sequence>
 167           <xs:element name="status" type="status">
 168              <xs:unique name="statusUnique">
 169                 <xs:selector xpath="*" />
 170                 <xs:field xpath="@uniqueElementName" />
 171              </xs:unique>
 172           </xs:element>
 173        </xs:sequence>
 174     </xs:group>
 175  
 176     <!-- 2.3 Contribute -->
 177     <xs:group name="contribute">
 178        <xs:sequence>
 179           <xs:element name="contribute" type="contribute">
 180              <xs:unique name="contributeUnique">
 181                 <xs:selector xpath="*" />
 182                 <xs:field xpath="@uniqueElementName" />
 183              </xs:unique>
 184           </xs:element>
 185        </xs:sequence>
 186     </xs:group>
 187  
 188     <!-- 2.3.1 Role -->
 189     <xs:group name="role">
 190        <xs:sequence>
 191           <xs:element name="role" type="role">
 192              <xs:unique name="roleUnique">
 193                 <xs:selector xpath="*" />
 194                 <xs:field xpath="@uniqueElementName" />
 195              </xs:unique>
 196           </xs:element>
 197        </xs:sequence>
 198     </xs:group>
 199  
 200     <!-- 2.3.2 Entity -->
 201     <xs:group name="entityUnbounded">
 202        <xs:sequence>
 203           <xs:element name="entity" type="VCard" />
 204        </xs:sequence>
 205     </xs:group>
 206  
 207    <!-- 2.3.3 Date -->
 208    <xs:group name="date">
 209       <xs:sequence>
 210          <xs:element name="date" type="date">
 211             <xs:unique name="dateUnique">
 212                <xs:selector xpath="*" />
 213                <xs:field xpath="@uniqueElementName" />
 214             </xs:unique>
 215          </xs:element>
 216       </xs:sequence>
 217     </xs:group>
 218  
 219     <!-- 3 Meta-Metadata -->
 220     <xs:group name="metaMetadata">
 221        <xs:sequence>
 222           <xs:element name="metaMetadata" type="metaMetadata">
 223              <xs:unique name="metaMetadataUnique">
 224                 <xs:selector xpath="*" />
 225                 <xs:field xpath="@uniqueElementName" />
 226              </xs:unique>
 227           </xs:element>
 228        </xs:sequence>
 229     </xs:group>
 230  
 231     <!-- 3.1 Identifier
 232     <xs:group name="identifier">
 233        <xs:sequence>
 234           <xs:element name="identifier" type="identifier">
 235              <xs:unique name="identifierUnique">
 236                 <xs:selector xpath="*"/>
 237                 <xs:field xpath="@uniqueElementName"/>
 238              </xs:unique>
 239           </xs:element>
 240        </xs:sequence>
 241     </xs:group> -->
 242  
 243     <!-- 3.1.1 Catalog
 244     <xs:group name="catalog">
 245        <xs:sequence>
 246           <xs:element name="catalog" type="catalog"/>
 247        </xs:sequence>
 248     </xs:group> -->
 249  
 250     <!-- 3.1.2 Entry
 251     <xs:group name="entry">
 252        <xs:sequence>
 253           <xs:element name="entry" type="entry"/>
 254        </xs:sequence>
 255     </xs:group> -->
 256  
 257     <!-- 3.2 Contribute -->
 258     <xs:group name="contributeMeta">
 259        <xs:sequence>
 260           <xs:element name="contribute" type="contributeMeta">
 261              <xs:unique name="contributeMetaUnique">
 262                 <xs:selector xpath="*" />
 263                 <xs:field xpath="@uniqueElementName" />
 264              </xs:unique>
 265           </xs:element>
 266        </xs:sequence>
 267     </xs:group>
 268  
 269     <!-- 3.2.1 Role -->
 270     <xs:group name="roleMeta">
 271        <xs:sequence>
 272           <xs:element name="role" type="roleMeta">
 273              <xs:unique name="roleMetaUnique">
 274                 <xs:selector xpath="*" />
 275                 <xs:field xpath="@uniqueElementName" />
 276              </xs:unique>
 277           </xs:element>
 278        </xs:sequence>
 279     </xs:group>
 280  
 281     <!-- 3.2.2 Entity
 282     <xs:group name="entityUnbounded">
 283        <xs:sequence>
 284           <xs:element name="entity" type="VCard"/>
 285        </xs:sequence>
 286     </xs:group> -->
 287  
 288     <!-- 3.2.3 Date
 289     <xs:group name="date">
 290        <xs:sequence>
 291           <xs:element name="date" type="date">
 292              <xs:unique name="dateUnique">
 293                 <xs:selector xpath="*"/>
 294                 <xs:field xpath="@uniqueElementName"/>
 295              </xs:unique>
 296           </xs:element>
 297        </xs:sequence>
 298     </xs:group> -->
 299  
 300     <!-- 3.3 Metadata Schema -->
 301     <xs:group name="metadataSchema">
 302        <xs:sequence>
 303           <xs:element name="metadataSchema" type="metadataSchema" />
 304        </xs:sequence>
 305     </xs:group>
 306  
 307     <!-- 3.4 Language
 308     <xs:group name="language">
 309        <xs:sequence>
 310           <xs:element name="language" type="LanguageId"/>
 311        </xs:sequence>
 312     </xs:group> -->
 313  
 314     <!-- 4 Technical -->
 315     <xs:group name="technical">
 316        <xs:sequence>
 317           <xs:element name="technical" type="technical">
 318              <xs:unique name="technicalUnique">
 319                 <xs:selector xpath="*" />
 320                 <xs:field xpath="@uniqueElementName" />
 321              </xs:unique>
 322           </xs:element>
 323        </xs:sequence>
 324     </xs:group>
 325  
 326     <!-- 4.1 Format -->
 327    <xs:group name="format">
 328        <xs:sequence>
 329           <xs:element name="format" type="format" />
 330        </xs:sequence>
 331     </xs:group>
 332  
 333     <!-- 4.2 Size -->
 334     <xs:group name="size">
 335        <xs:sequence>
 336           <xs:element name="size" type="size" />
 337        </xs:sequence>
 338     </xs:group>
 339  
 340     <!-- 4.3 Location -->
 341     <xs:group name="location">
 342        <xs:sequence>
 343           <xs:element name="location" type="location" />
 344        </xs:sequence>
 345     </xs:group>
 346  
 347     <!-- 4.4 Requirement -->
 348     <xs:group name="requirement">
 349        <xs:sequence>
 350           <xs:element name="requirement" type="requirement" />
 351        </xs:sequence>
 352     </xs:group>
 353  
 354     <!-- 4.4.1 OrComposite -->
 355     <xs:group name="orComposite">
 356        <xs:sequence>
 357           <xs:element name="orComposite" type="orComposite">
 358              <xs:unique name="orCompositeUnique">
 359                 <xs:selector xpath="*" />
 360                 <xs:field xpath="@uniqueElementName" />
 361              </xs:unique>
 362           </xs:element>
 363        </xs:sequence>
 364     </xs:group>
 365  
 366     <!-- 4.4.1.1 Type -->
 367     <xs:group name="type">
 368        <xs:sequence>
 369           <xs:element name="type" type="type">
 370              <xs:unique name="typeUnique">
 371                 <xs:selector xpath="*" />
 372                 <xs:field xpath="@uniqueElementName" />
 373              </xs:unique>
 374           </xs:element>
 375        </xs:sequence>
 376     </xs:group>
 377  
 378     <!-- 4.4.1.2 Name -->
 379     <xs:group name="name">
 380        <xs:sequence>
 381           <xs:element name="name" type="name">
 382              <xs:unique name="nameUnique">
 383                 <xs:selector xpath="*" />
 384                 <xs:field xpath="@uniqueElementName" />
 385              </xs:unique>
 386           </xs:element>
 387        </xs:sequence>
 388     </xs:group>
 389  
 390     <!-- 4.4.1.3 Minimum Version -->
 391     <xs:group name="minimumVersion">
 392        <xs:sequence>
 393           <xs:element name="minimumVersion" type="minimumVersion" />
 394        </xs:sequence>
 395     </xs:group>
 396  
 397     <!-- 4.4.1.4 Maximum Version -->
 398     <xs:group name="maximumVersion">
 399        <xs:sequence>
 400           <xs:element name="maximumVersion" type="maximumVersion" />
 401        </xs:sequence>
 402      </xs:group>
 403  
 404     <!-- 4.5 Installation Remarks -->
 405     <xs:group name="installationRemarks">
 406        <xs:sequence>
 407           <xs:element name="installationRemarks" type="installationRemarks" />
 408        </xs:sequence>
 409     </xs:group>
 410  
 411     <!-- 4.6 Other Platform Requirements -->
 412     <xs:group name="otherPlatformRequirements">
 413        <xs:sequence>
 414           <xs:element name="otherPlatformRequirements" type="otherPlatformRequirements" />
 415        </xs:sequence>
 416     </xs:group>
 417  
 418     <!-- 4.7 Duration -->
 419     <xs:group name="duration">
 420        <xs:sequence>
 421           <xs:element name="duration" type="duration">
 422              <xs:unique name="durationUnique">
 423                 <xs:selector xpath="*" />
 424                 <xs:field xpath="@uniqueElementName" />
 425              </xs:unique>
 426           </xs:element>
 427        </xs:sequence>
 428     </xs:group>
 429  
 430     <!-- 5 Educational -->
 431     <xs:group name="educational">
 432        <xs:sequence>
 433           <xs:element name="educational" type="educational">
 434              <xs:unique name="educationalUnique">
 435                 <xs:selector xpath="*" />
 436                 <xs:field xpath="@uniqueElementName" />
 437              </xs:unique>
 438           </xs:element>
 439        </xs:sequence>
 440     </xs:group>
 441  
 442     <!-- 5.1 Interactivity Type -->
 443     <xs:group name="interactivityType">
 444        <xs:sequence>
 445           <xs:element name="interactivityType" type="interactivityType">
 446              <xs:unique name="interactivityTypeUnique">
 447                 <xs:selector xpath="*" />
 448                 <xs:field xpath="@uniqueElementName" />
 449              </xs:unique>
 450           </xs:element>
 451        </xs:sequence>
 452     </xs:group>
 453  
 454     <!-- 5.2 Learning Resource Type -->
 455     <xs:group name="learningResourceType">
 456        <xs:sequence>
 457           <xs:element name="learningResourceType" type="learningResourceType">
 458              <xs:unique name="learningResourceTypeUnique">
 459                 <xs:selector xpath="*" />
 460                 <xs:field xpath="@uniqueElementName" />
 461              </xs:unique>
 462           </xs:element>
 463        </xs:sequence>
 464     </xs:group>
 465  
 466     <!-- 5.3 Interactivity Level -->
 467     <xs:group name="interactivityLevel">
 468        <xs:sequence>
 469           <xs:element name="interactivityLevel" type="interactivityLevel">
 470              <xs:unique name="interactivityLevelUnique">
 471                 <xs:selector xpath="*" />
 472                 <xs:field xpath="@uniqueElementName" />
 473              </xs:unique>
 474           </xs:element>
 475        </xs:sequence>
 476     </xs:group>
 477  
 478     <!-- 5.4 Semantic Density -->
 479     <xs:group name="semanticDensity">
 480        <xs:sequence>
 481           <xs:element name="semanticDensity" type="semanticDensity">
 482              <xs:unique name="semanticDensityUnique">
 483                 <xs:selector xpath="*" />
 484                 <xs:field xpath="@uniqueElementName" />
 485              </xs:unique>
 486           </xs:element>
 487        </xs:sequence>
 488     </xs:group>
 489  
 490     <!-- 5.5 Intended End User Role -->
 491     <xs:group name="intendedEndUserRole">
 492        <xs:sequence>
 493           <xs:element name="intendedEndUserRole" type="intendedEndUserRole">
 494              <xs:unique name="intendedEndUserRoleUnique">
 495                 <xs:selector xpath="*" />
 496                 <xs:field xpath="@uniqueElementName" />
 497              </xs:unique>
 498           </xs:element>
 499        </xs:sequence>
 500     </xs:group>
 501  
 502     <!-- 5.6 Context -->
 503     <xs:group name="context">
 504        <xs:sequence>
 505           <xs:element name="context" type="context">
 506              <xs:unique name="contextUnique">
 507                 <xs:selector xpath="*" />
 508                 <xs:field xpath="@uniqueElementName" />
 509              </xs:unique>
 510           </xs:element>
 511        </xs:sequence>
 512     </xs:group>
 513  
 514     <!-- 5.7 Typical Age Range -->
 515     <xs:group name="typicalAgeRange">
 516        <xs:sequence>
 517           <xs:element name="typicalAgeRange" type="typicalAgeRange" />
 518        </xs:sequence>
 519     </xs:group>
 520  
 521     <!-- 5.8 Difficulty -->
 522     <xs:group name="difficulty">
 523        <xs:sequence>
 524           <xs:element name="difficulty" type="difficulty">
 525              <xs:unique name="difficultyUnique">
 526                 <xs:selector xpath="*" />
 527                 <xs:field xpath="@uniqueElementName" />
 528              </xs:unique>
 529           </xs:element>
 530        </xs:sequence>
 531     </xs:group>
 532  
 533     <!-- 5.9 Typical Learning Time -->
 534     <xs:group name="typicalLearningTime">
 535        <xs:sequence>
 536           <xs:element name="typicalLearningTime" type="typicalLearningTime">
 537              <xs:unique name="typicalLearningTimeUnique">
 538                 <xs:selector xpath="*" />
 539                 <xs:field xpath="@uniqueElementName" />
 540              </xs:unique>
 541           </xs:element>
 542        </xs:sequence>
 543     </xs:group>
 544  
 545     <!-- 5.10 Description
 546     <xs:group name="descriptionUnbounded">
 547        <xs:sequence>
 548           <xs:element name="description" type="LanguageString"/>
 549        </xs:sequence>
 550     </xs:group> -->
 551  
 552     <!-- 5.11 Language
 553     <xs:group name="language">
 554        <xs:sequence>
 555           <xs:element name="language" type="LanguageId"/>
 556        </xs:sequence>
 557     </xs:group>-->
 558  
 559     <!-- 6 Rights -->
 560     <xs:group name="rights">
 561        <xs:sequence>
 562           <xs:element name="rights" type="rights">
 563              <xs:unique name="rightsUnique">
 564                 <xs:selector xpath="*" />
 565                 <xs:field xpath="@uniqueElementName" />
 566              </xs:unique>
 567           </xs:element>
 568        </xs:sequence>
 569     </xs:group>
 570  
 571     <!-- 6.1 Cost -->
 572     <xs:group name="cost">
 573        <xs:sequence>
 574           <xs:element name="cost" type="cost">
 575              <xs:unique name="costUnique">
 576                 <xs:selector xpath="*" />
 577                 <xs:field xpath="@uniqueElementName" />
 578              </xs:unique>
 579           </xs:element>
 580        </xs:sequence>
 581     </xs:group>
 582  
 583     <!-- 6.2 Copyright and Other Restrictions -->
 584     <xs:group name="copyrightAndOtherRestrictions">
 585        <xs:sequence>
 586           <xs:element name="copyrightAndOtherRestrictions" type="copyrightAndOtherRestrictions">
 587              <xs:unique name="copyrightAndOtherRestrictionsUnique">
 588                 <xs:selector xpath="*" />
 589                 <xs:field xpath="@uniqueElementName" />
 590              </xs:unique>
 591           </xs:element>
 592        </xs:sequence>
 593     </xs:group>
 594  
 595     <!-- 6.3 Description -->
 596     <xs:group name="description">
 597        <xs:sequence>
 598           <xs:element name="description" type="description" />
 599        </xs:sequence>
 600     </xs:group>
 601  
 602     <!-- 7 Relation -->
 603     <xs:group name="relation">
 604        <xs:sequence>
 605           <xs:element name="relation" type="relation">
 606              <xs:unique name="relationUnique">
 607                 <xs:selector xpath="*" />
 608                 <xs:field xpath="@uniqueElementName" />
 609              </xs:unique>
 610           </xs:element>
 611        </xs:sequence>
 612     </xs:group>
 613  
 614     <!-- 7.1 Kind -->
 615     <xs:group name="kind">
 616        <xs:sequence>
 617           <xs:element name="kind" type="kind">
 618              <xs:unique name="kindUnique">
 619                 <xs:selector xpath="*" />
 620                 <xs:field xpath="@uniqueElementName" />
 621              </xs:unique>
 622           </xs:element>
 623        </xs:sequence>
 624     </xs:group>
 625  
 626     <!-- 7.2 Resource -->
 627     <xs:group name="resource">
 628        <xs:sequence>
 629           <xs:element name="resource" type="resource" />
 630        </xs:sequence>
 631     </xs:group>
 632  
 633     <!-- 7.2.1 Identifier
 634     <xs:group name="identifier">
 635        <xs:sequence>
 636           <xs:element name="identifier" type="identifier">
 637              <xs:unique name="identifierUnique">
 638                 <xs:selector xpath="*"/>
 639                 <xs:field xpath="@uniqueElementName"/>
 640              </xs:unique>
 641           </xs:element>
 642        </xs:sequence>
 643     </xs:group> -->
 644  
 645     <!-- 7.2.1.1 Catalog
 646     <xs:group name="catalog">
 647        <xs:sequence>
 648           <xs:element name="catalog" type="catalog"/>
 649        </xs:sequence>
 650     </xs:group> -->
 651  
 652     <!-- 7.2.1.2 Entry
 653     <xs:group name="entry">
 654        <xs:sequence>
 655           <xs:element name="entry" type="entry"/>
 656        </xs:sequence>
 657     </xs:group> -->
 658  
 659     <!-- 7.2.2 Description
 660     <xs:group name="description">
 661        <xs:sequence>
 662           <xs:element name="description" type="description"/>
 663        </xs:sequence>
 664     </xs:group> -->
 665  
 666     <!-- 8 Annotation -->
 667     <xs:group name="annotation">
 668        <xs:sequence>
 669           <xs:element name="annotation" type="annotation">
 670              <xs:unique name="annotationUnique">
 671                 <xs:selector xpath="*" />
 672                 <xs:field xpath="@uniqueElementName" />
 673              </xs:unique>
 674           </xs:element>
 675        </xs:sequence>
 676     </xs:group>
 677  
 678     <!-- 8.1 Entity -->
 679     <xs:group name="entity">
 680        <xs:sequence>
 681           <xs:element name="entity" type="entity" />
 682        </xs:sequence>
 683     </xs:group>
 684  
 685     <!-- 8.2 Date
 686     <xs:group name="date">
 687        <xs:sequence>
 688           <xs:element name="date" type="date">
 689              <xs:unique name="dateUnique">
 690                 <xs:selector xpath="*"/>
 691                 <xs:field xpath="@uniqueElementName"/>
 692              </xs:unique>
 693           </xs:element>
 694        </xs:sequence>
 695     </xs:group> -->
 696  
 697     <!-- 8.3 Description
 698     <xs:group name="description">
 699        <xs:sequence>
 700           <xs:element name="description" type="description"/>
 701        </xs:sequence>
 702     </xs:group> -->
 703  
 704     <!-- 9 Classification -->
 705     <xs:group name="classification">
 706        <xs:sequence>
 707           <xs:element name="classification" type="classification">
 708              <xs:unique name="classificationUnique">
 709                 <xs:selector xpath="*" />
 710                 <xs:field xpath="@uniqueElementName" />
 711              </xs:unique>
 712           </xs:element>
 713        </xs:sequence>
 714     </xs:group>
 715  
 716     <!-- 9.1 Purpose -->
 717     <xs:group name="purpose">
 718        <xs:sequence>
 719           <xs:element name="purpose" type="purpose">
 720              <xs:unique name="purposeUnique">
 721                 <xs:selector xpath="*" />
 722                 <xs:field xpath="@uniqueElementName" />
 723              </xs:unique>
 724           </xs:element>
 725        </xs:sequence>
 726     </xs:group>
 727  
 728     <!-- 9.2 Taxon Path -->
 729     <xs:group name="taxonPath">
 730        <xs:sequence>
 731           <xs:element name="taxonPath" type="taxonPath">
 732              <xs:unique name="taxonPathUnique">
 733                 <xs:selector xpath="*" />
 734                 <xs:field xpath="@uniqueElementName" />
 735              </xs:unique>
 736           </xs:element>
 737        </xs:sequence>
 738     </xs:group>
 739  
 740     <!-- 9.2.1 Source -->
 741     <xs:group name="source">
 742        <xs:sequence>
 743           <xs:element name="source" type="source" />
 744        </xs:sequence>
 745     </xs:group>
 746  
 747     <!-- 9.2.2 Taxon -->
 748     <xs:group name="taxon">
 749        <xs:sequence>
 750           <xs:element name="taxon" type="taxon">
 751              <xs:unique name="taxonUnique">
 752                 <xs:selector xpath="*" />
 753                 <xs:field xpath="@uniqueElementName" />
 754              </xs:unique>
 755           </xs:element>
 756        </xs:sequence>
 757     </xs:group>
 758  
 759     <!-- 9.2.2.1 Id -->
 760     <xs:group name="id">
 761        <xs:sequence>
 762           <xs:element name="id" type="id" />
 763        </xs:sequence>
 764     </xs:group>
 765  
 766     <!-- 9.2.2.2 Entry -->
 767     <xs:group name="entryTaxon">
 768        <xs:sequence>
 769           <xs:element name="entry" type="entryTaxon" />
 770        </xs:sequence>
 771     </xs:group>
 772  
 773     <!-- 9.3 Description
 774     <xs:group name="description">
 775        <xs:sequence>
 776           <xs:element name="description" type="description"/>
 777        </xs:sequence>
 778     </xs:group> -->
 779  
 780     <!-- 9.4 Keyword
 781     <xs:group name="keyword">
 782        <xs:sequence>
 783           <xs:element name="keyword" type="keyword"/>
 784        </xs:sequence>
 785     </xs:group> -->
 786  
 787  </xs:schema>