4 RDF Schema declaration for the Qualified Dublin Core Element Set
6 comments, etc. to webteam <dcmi-feedback@dublincore.org>
9 <!-- HELM: OLD URL OF SCHEMAS: VRP gives errors -->
10 <!-- <!DOCTYPE rdf:RDF [
11 <!ENTITY rdfns 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
12 <!ENTITY rdfsns 'http://www.w3.org/2000/01/rdf-schema#'>
13 <!ENTITY dcns 'http://purl.org/dc/elements/1.1/'>
14 <!ENTITY dcqns 'http://purl.org/dc/terms/'>
15 <!ENTITY eorns 'http://dublincore.org/2000/03/13/eor#'>
19 <!ENTITY rdfns 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
20 <!ENTITY rdfsns 'http://www.w3.org/2000/01/rdf-schema#'>
21 <!ENTITY dcns 'http://www.cs.unibo.it/~schena/dces#'>
22 <!ENTITY dcqns 'http://www.cs.unibo.it/~schena/dcq#'>
23 <!ENTITY eorns 'http://www.cs.unibo.it/~schena/eor#'>
26 <rdf:RDF xmlns:rdf="&rdfns;"
32 <!-- Description of Schema -->
34 <eor:Schema rdf:about="&dcqns;">
35 <rdf:value>The Dublin Core Element Set Qualifier Vocabulary</rdf:value>
36 <dc:title>The Dublin Core Element Set Qualifier Vocabulary</dc:title>
37 <dc:publisher>The Dublin Core Metadata Initiative</dc:publisher>
38 <dc:description>The Dublin Core Element Set Qualifier Vocabulary is
40 intended to facilitate discovery of resources. </dc:description>
41 <dc:language>English</dc:language>
42 <dc:relation rdf:resource="http://dublincore.org/documents/dcmes-qualifiers/"/>
43 <dc:date>2000-07-11</dc:date>
46 <!-- HELM: every declaration has the rdf:ID = "name" instead of
47 rdf:about = "&dcqns;name" -->
52 <!-- Title refinement declarations -->
54 <rdf:Property rdf:ID = "alternative">
55 <rdfs:label>Alternative</rdfs:label>
56 <rdfs:comment>Any form of the title used as a substitute or
57 alternative to the formal title of the resource.</rdfs:comment>
58 <eor:comment>This qualifier can include Title abbreviations as well as translations.</eor:comment>
59 <rdfs:subPropertyOf rdf:resource =
61 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
64 <!-- End: Title Declaration -->
67 <!-- Begin: Subject -->
69 <!-- Subject refinement declarations -->
71 <rdf:Property rdf:ID = "classification">
72 <rdfs:label>Classification</rdfs:label>
73 <rdfs:comment>Subject identified by notation (code) taken from a
74 controlled classification scheme.</rdfs:comment>
75 <eor:comment>The name of the controlled classification scheme from
76 which the classification is derived should always be identified as a
77 value qualifier Existing resource discovery implementations treat
78 classification notation (codes) differently to 'words' describing
79 `subject. Typically notation is used to create a browsing structure
80 whereas words are not, notation is not displayed in retrieved lists
81 whereas 'subject words' are displayed. It is important for software
82 to precisely recognise notations as different from 'subject
83 words'. Looking for numeric strings cannot be relied on as notations
84 may be alphanumeric so it is useful to identify them by means of a
85 qualifier. It is unrealistic to expect software to identify
86 notations as such by means of the value qualifier for subject, as
87 there is a potentially huge list of value qualifiers which cover
88 subject headings, and thesauri as well as classification
89 notations. </eor:comment>
90 <rdfs:subPropertyOf rdf:resource =
92 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
95 <!-- Subject range declarations -->
96 <!-- HELM: Here we want to constraint an external property to a particular
97 range. VRP gives a Warning when (extending or modifying) constraining the
98 range of a property defined in another schema. -->
99 <!-- <rdf:Description rdf:about = "&dcns;subject">
100 <rdfs:range rdf:resource = "#SubjectScheme" />
101 </rdf:Description>-->
103 <!-- Encoding Scheme declarations -->
105 <rdfs:Class rdf:ID = "SubjectScheme">
106 <rdfs:label>Subject Encoding Schemes</rdfs:label>
107 <rdfs:comment>A set of subject encoding schemes and/or formats</rdfs:comment>
108 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
111 <rdfs:Class rdf:ID = "LCSH">
112 <rdfs:label>LCSH</rdfs:label>
113 <rdfs:comment>Library of Congress Subject Headings</rdfs:comment>
114 <rdfs:subClassOf rdf:resource = "#SubjectScheme" />
115 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
118 <rdfs:Class rdf:ID = "LCC">
119 <rdfs:label>LCC</rdfs:label>
120 <rdfs:comment>Library of Congress Classification</rdfs:comment>
121 <rdfs:subClassOf rdf:resource = "#SubjectScheme" />
122 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
125 <rdfs:Class rdf:ID = "DDC">
126 <rdfs:label>DDC</rdfs:label>
127 <rdfs:comment>Dewey Decimal Classification</rdfs:comment>
128 <rdfs:subClassOf rdf:resource = "#SubjectScheme" />
129 <rdfs:seeAlso rdf:resource = "http://www.oclc.org/fp/" />
130 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
133 <rdfs:Class rdf:ID = "UDC">
134 <rdfs:label>UDC</rdfs:label>
135 <rdfs:comment>Universal Decimal Classification</rdfs:comment>
136 <rdfs:subClassOf rdf:resource = "#SubjectScheme" />
137 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
140 <rdfs:Class rdf:ID = "MESH">
141 <rdfs:label>MeSH</rdfs:label>
142 <rdfs:comment>Medical Subject Headings</rdfs:comment>
143 <rdfs:subClassOf rdf:resource = "#SubjectScheme" />
144 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
147 <!-- End: Subject -->
150 <!-- Begin: Description -->
152 <!-- Description refinement declarations -->
154 <rdf:Property rdf:ID = "abstract">
155 <rdfs:label>Abstract</rdfs:label>
156 <rdfs:comment>A summary of the content of the resource.</rdfs:comment>
157 <rdfs:subPropertyOf rdf:resource =
158 "&dcns;description" />
159 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
162 <rdf:Property rdf:ID = "note">
163 <rdfs:label>Note</rdfs:label>
164 <rdfs:comment>Any additional information about the content of the
165 resource.</rdfs:comment>
166 <rdfs:subPropertyOf rdf:resource =
167 "&dcns;description" />
168 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
171 <rdf:Property rdf:ID = "tableOfContents">
172 <rdfs:label>Table Of Contents</rdfs:label>
173 <rdfs:comment>A list of subunits of the content of the
174 resource.</rdfs:comment>
175 <rdfs:subPropertyOf rdf:resource =
176 "&dcns;description" />
177 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
180 <rdf:Property rdf:ID = "release">
181 <rdfs:label>Release</rdfs:label>
182 <rdfs:comment>An identification of the edition, release or version
183 of the resource.</rdfs:comment>
184 <rdfs:subPropertyOf rdf:resource =
185 "&dcns;description" />
186 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
189 <!-- End: Description -->
194 <!-- Date refinement declaration -->
196 <rdf:Property rdf:ID = "created">
197 <rdfs:label>Created</rdfs:label>
198 <rdfs:comment>Date of creation of the resource.</rdfs:comment>
199 <rdfs:subPropertyOf rdf:resource =
201 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
204 <rdf:Property rdf:ID = "issued">
205 <rdfs:label>Issued</rdfs:label>
206 <rdfs:comment>Date of formal issuance (e.g., publication) of the
207 resource.</rdfs:comment>
208 <rdfs:subPropertyOf rdf:resource = "&dcns;date" />
209 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
212 <rdf:Property rdf:ID = "modified">
213 <rdfs:label>Modified</rdfs:label>
214 <rdfs:comment>Date on which the resource was changed.</rdfs:comment>
215 <rdfs:subPropertyOf rdf:resource =
217 <rdfs:isDefinedBy rdf:resource =
218 "&dcqns;" /> </rdf:Property>
220 <rdf:Property rdf:ID = "valid">
221 <rdfs:label>Valid</rdfs:label>
222 <rdfs:comment>Date (often a range) of validity of a resource.</rdfs:comment>
223 <rdfs:subPropertyOf rdf:resource =
225 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
228 <rdf:Property rdf:ID = "available">
229 <rdfs:label>Available</rdfs:label>
230 <rdfs:comment>Date (often a range) that the resource will become or
231 did become available.</rdfs:comment>
232 <rdfs:subPropertyOf rdf:resource =
234 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
237 <!-- Date range declarations -->
238 <!-- HELM: Here we want to constraint an external property to a particular
239 range. VRP gives a Warning when (extending or modifying) constraining the
240 range of a property defined in another schema. -->
241 <!--<rdf:Description rdf:about = "&dcns;date">
242 <rdfs:range rdf:resource = "#DateScheme" />
243 </rdf:Description>-->
245 <!-- Encoding Schemes -->
247 <rdfs:Class rdf:ID = "DateScheme">
248 <rdfs:label>Date Encoding Schemes</rdfs:label>
249 <rdfs:comment>A set of date encoding schemes and/or formats</rdfs:comment>
250 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
253 <rdfs:Class rdf:ID = "W3CDTF">
254 <rdfs:label>W3C-DTF</rdfs:label>
255 <rdfs:comment>W3C Encoding rules for dates and times - a profile
256 based on ISO8601 </rdfs:comment>
257 <rdfs:subClassOf rdf:resource = "#DateScheme" />
258 <rdfs:seeAlso rdf:resource = "http://www.w3.org/TR/NOTE-datetime" />
259 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
262 <rdfs:Class rdf:ID = "Period">
263 <rdfs:label>DCMI Period</rdfs:label>
264 <rdfs:comment>A specification of the limits of a time
265 interval.</rdfs:comment>
266 <rdfs:subClassOf rdf:resource = "#DateScheme" />
267 <rdfs:seeAlso rdf:resource =
268 "http://purl.org/dc/documents/rec-dcmiperiod-20000619.htm" />
269 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
275 <!-- Begin: format -->
277 <!-- format refinement declarations -->
279 <rdf:Property rdf:ID = "extent">
280 <rdfs:label>Extent</rdfs:label>
281 <rdfs:comment>The size or duration of the resource.</rdfs:comment>
282 <rdfs:subPropertyOf rdf:resource = "&dcns;format" />
283 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
286 <rdf:Property rdf:ID = "medium">
287 <rdfs:label>Medium</rdfs:label>
288 <rdfs:comment>The material or physical carrier of the
289 resource.</rdfs:comment>
290 <rdfs:subPropertyOf rdf:resource = "&dcns;format" />
291 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
294 <!-- format range declarations -->
295 <!-- HELM: Here we want to constraint an external property to a particular
296 range. VRP gives a Warning when (extending or modifying) constraining the
297 range of a property defined in another schema. -->
298 <!-- <rdf:Description rdf:about = "&dcns;format">
299 <rdfs:range rdf:resource = "#FormatScheme" />
300 </rdf:Description> -->
302 <!-- Encoding Scheme declarations -->
304 <rdfs:Class rdf:ID = "FormatScheme">
305 <rdfs:label>Format Encoding Schemes</rdfs:label>
306 <rdfs:comment>A set of format encoding schemes.</rdfs:comment>
307 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
310 <rdfs:Class rdf:ID = "IMT">
311 <rdfs:label>IMT</rdfs:label>
312 <rdfs:comment>The Internet media type of the resource.</rdfs:comment>
313 <rdfs:subClassOf rdf:resource = "#FormatScheme" />
314 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
315 <rdfs:seeAlso rdf:resource =
316 "http://www.isi.edu/in-notes/iana/assignments/media-types/media-types"
322 <!-- Begin: Identifier -->
324 <!-- Identifier refinement declarations -->
326 <!-- Identifier range declarations -->
327 <!-- HELM: Here we want to constraint an external property to a particular
328 range. VRP gives a Warning when (extending or modifying) constraining the
329 range of a property defined in another schema. -->
330 <!--<rdf:Description rdf:about = "&dcns;identifier">
331 <rdfs:range rdf:resource = "#IdentifierScheme" />
332 </rdf:Description>-->
334 <!-- Encoding Scheme declarations -->
336 <rdfs:Class rdf:ID = "IdentifierScheme">
337 <rdfs:label>Identifier Encoding Schemes</rdfs:label>
338 <rdfs:comment>A set of Identified encoding schemes and/or
339 formats.</rdfs:comment>
340 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
343 <rdfs:Class rdf:ID= "URI">
344 <rdfs:label>URI</rdfs:label>
345 <rdfs:comment>A URI Uniform Resource Identifier</rdfs:comment>
346 <rdfs:subClassOf rdf:resource = "#IdentifierScheme" />
347 <rdfs:seeAlso rdf:resource = "http://www.ietf.org/rfc/rfc2396.txt" />
348 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
351 <!-- End: Identifier -->
354 <!-- Begin: Language -->
356 <!-- Language refinement declarations -->
358 <!-- Language range declarations -->
359 <!-- HELM: Here we want to constraint an external property to a particular
360 range. VRP gives a Warning when (extending or modifying) constraining the
361 range of a property defined in another schema. -->
362 <!--<rdf:Description rdf:about = "&dcns;language">
363 <rdfs:range rdf:resource = "#LanguageScheme" />
364 </rdf:Description>-->
366 <!-- Encoding Scheme declarations -->
368 <rdfs:Class rdf:ID = "LanguageScheme">
369 <rdfs:label>Language Encoding Schemes</rdfs:label>
370 <rdfs:comment>A set of language encoding schemes and/or
371 formats.</rdfs:comment>
372 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
375 <rdfs:Class rdf:ID = "RFC1766">
376 <rdfs:label>RFC1766</rdfs:label>
377 <rdfs:comment>Internet RFC 1766 'Tags for the identification of
378 Language' specifies a two letter code taken from ISO 639, followed
379 optionally by a two letter country code taken from ISO
381 <rdfs:subClassOf rdf:resource = "#LanguageScheme" />
382 <rdfs:seeAlso rdf:resource = "http://www.ietf.org/rfc/rfc1766.txt" />
383 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
386 <rdfs:Class rdf:ID = "ISO639-2">
387 <rdfs:label>ISO 639-2</rdfs:label>
388 <rdfs:comment>ISO 639-2: Codes for the representation of names of languages.</rdfs:comment>
389 <rdfs:subClassOf rdf:resource = "#LanguageScheme" />
390 <rdfs:seeAlso rdf:resource =
391 "http://www.loc.gov/standards/iso639-2/langhome.html" />
392 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
395 <!-- End: language -->
398 <!-- Begin: Relation -->
400 <!-- Relation refinement declarations -->
402 <rdf:Property rdf:ID = "isPartOf">
403 <rdfs:label>Is Part Of</rdfs:label>
404 <rdfs:comment>The described resource is a physical or logical part
405 of the referenced resource.</rdfs:comment>
406 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
407 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
410 <rdf:Property rdf:ID = "hasPart">
411 <rdfs:label>Has Part</rdfs:label>
412 <rdfs:comment>The described resource includes the referenced
413 resource either physically or logically. </rdfs:comment>
414 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
415 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
418 <rdf:Property rdf:ID = "isVersionOf">
419 <rdfs:label>Is Version Of</rdfs:label>
420 <rdfs:comment>The described resource is a version, edition, or
421 adaptation of the referenced resource. Changes in version imply
422 substantive changes in content rather than differences in
423 format. </rdfs:comment>
424 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
425 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
428 <rdf:Property rdf:ID = "hasVersion">
429 <rdfs:label>Has Version</rdfs:label>
430 <rdfs:comment>The described resource has a version, edition, or
431 adaptation, namely, the referenced resource. </rdfs:comment>
432 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
433 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
436 <rdf:Property rdf:ID = "isFormatOf">
437 <rdfs:label>Is Format Of</rdfs:label>
438 <rdfs:comment>The described resource is the same intellectual
439 content of the referenced resource, but presented in another
440 format. </rdfs:comment>
441 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
442 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
445 <rdf:Property rdf:ID = "hasFormat">
446 <rdfs:label>Has Format</rdfs:label>
447 <rdfs:comment>The described resource pre-existed the referenced
448 resource, which is essentially the same intellectual content
449 presented in another format. </rdfs:comment>
450 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
451 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
454 <rdf:Property rdf:ID = "references">
455 <rdfs:label>References</rdfs:label>
456 <rdfs:comment>The described resource references, cites, or otherwise
457 points to the referenced resource. </rdfs:comment>
458 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
459 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
462 <rdf:Property rdf:ID = "isReferencedBy">
463 <rdfs:label>Is Referenced By</rdfs:label>
464 <rdfs:comment>The described resource is referenced, cited, or
465 otherwise pointed to by the referenced resource. </rdfs:comment>
466 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
467 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
470 <rdf:Property rdf:ID = "requires">
471 <rdfs:label>Requires</rdfs:label>
472 <rdfs:comment>The described resource requires the referenced
473 resource to support its function, delivery, or coherence of
474 content. </rdfs:comment>
475 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
476 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
479 <rdf:Property rdf:ID = "isRequiredBy">
480 <rdfs:label>Is Required By</rdfs:label>
481 <rdfs:comment>The described resource is required by the referenced
482 resource, either physically or logically. </rdfs:comment>
483 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
484 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
487 <rdf:Property rdf:ID = "replaces">
488 <rdfs:label>Replaces</rdfs:label>
489 <rdfs:comment>The described resource supplants, displaces, or
490 supersedes the referenced resource. </rdfs:comment>
491 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
492 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
495 <rdf:Property rdf:ID = "isReplacedBy">
496 <rdfs:label>Is Replaced By</rdfs:label>
497 <rdfs:comment>The described resource is supplanted, displaced, or
498 superceded by the referenced resource.</rdfs:comment>
499 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
500 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
503 <rdf:Property rdf:ID ="conformsTo">
504 <rdfs:label>ConformsTo</rdfs:label>
505 <rdfs:comment>A reference to an established standard to which the resource conforms.</rdfs:comment>
506 <rdfs:subPropertyOf rdf:resource = "&dcns;relation" />
507 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
510 <!-- Relation range declarations -->
511 <!-- HELM: Here we want to constraint an external property to a particular
512 range. VRP gives a Warning when (extending or modifying) constraining the
513 range of a property defined in another schema. -->
514 <!--<rdf:Description rdf:about = "&dcns;relation">
515 <rdfs:range rdf:resource = "#IdentifierScheme" />
516 </rdf:Description>-->
518 <!-- Encoding Scheme declarations -->
520 <!-- End: Relation -->
523 <!-- Begin: coverage -->
525 <!-- Coverage refinement declarations -->
527 <rdf:Property rdf:ID = "spatial">
528 <rdfs:label>Spatial</rdfs:label>
529 <rdfs:comment>Spatial characteristics of the intellectual content of
530 the resoure.</rdfs:comment>
531 <rdfs:range rdf:resource = "#SpatialScheme" />
532 <rdfs:subPropertyOf rdf:resource = "&dcns;coverage" />
533 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
536 <rdf:Property rdf:ID = "temporal">
537 <rdfs:label>Temporal</rdfs:label>
538 <rdfs:comment>Temporal characteristics of the intellectual content
539 of the resource.</rdfs:comment>
540 <rdfs:range rdf:resource = "#DateScheme" />
541 <rdfs:subPropertyOf rdf:resource = "&dcns;coverage" />
542 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
545 <!-- Coverage range declarations -->
547 <!-- Encoding Schemes -->
549 <rdfs:Class rdf:ID = "SpatialScheme">
550 <rdfs:label>Place Encoding Schemes</rdfs:label>
551 <rdfs:comment>A set of geographic place encoding schemes and/or
552 formats</rdfs:comment>
553 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
556 <rdfs:Class rdf:ID = "Box">
557 <rdfs:label>DCMI Box</rdfs:label>
558 <rdfs:comment>The DCMI Box identifies a region of space using its
559 geographic limits.</rdfs:comment>
560 <rdfs:subClassOf rdf:resource = "#SpatialScheme" />
561 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
562 <rdfs:seeAlso rdf:resource =
563 "http://purl.org/dc/documents/rec-dcmibox-20000619.htm" />
566 <rdfs:Class rdf:ID = "Point">
567 <rdfs:label>DCMI Point</rdfs:label>
568 <rdfs:comment>The DCMI Point identifies a point in space using its
569 geographic coordinates.</rdfs:comment>
570 <rdfs:subClassOf rdf:resource = "#SpatialScheme" />
571 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
572 <rdfs:seeAlso rdf:resource =
573 "http://purl.org/dc/documents/rec-dcmipoint-20000619.htm" />
576 <rdfs:Class rdf:ID = "TGN">
577 <rdfs:label>TGN</rdfs:label>
578 <rdfs:comment>The Getty Thesaurus of Geographic Names</rdfs:comment>
579 <rdfs:subClassOf rdf:resource = "#SpatialScheme" />
580 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
581 <rdfs:seeAlso rdf:resource =
582 "http://www.gii.getty.edu/vocabulary/tgn.html" /> </rdfs:Class>
584 <rdfs:Class rdf:ID = "DD">
585 <rdfs:label>Decimal Degrees</rdfs:label>
586 <rdfs:comment>A latitude and longitude expressed in decimal
587 degrees</rdfs:comment>
588 <rdfs:subClassOf rdf:resource = "#SpatialScheme" />
589 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
592 <rdfs:Class rdf:ID = "DMS">
593 <rdfs:label>Degrees, minutes, seconds</rdfs:label>
594 <rdfs:comment>A latitude and longitude expressed in degrees,
595 minutes, seconds.</rdfs:comment>
596 <rdfs:subClassOf rdf:resource = "#SpatialScheme" />
597 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
600 <rdfs:Class rdf:ID = "ISO3166">
601 <rdfs:label>ISO3166</rdfs:label>
602 <rdfs:comment>ISO3166 Codes for the representation of names of
603 countries</rdfs:comment>
604 <rdfs:subClassOf rdf:resource = "#SpatialScheme" />
605 <rdfs:seeAlso rdf:resource = "ftp://dkuug.dk/i18n/ISO_3166" />
606 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
609 <!-- End: coverage -->
612 <!-- Begin: audience -->
614 <rdf:Property rdf:ID = "audience">
615 <rdfs:label>Audience</rdfs:label>
616 <rdfs:comment>A class of entity for whom the resource is intended or useful.</rdfs:comment>
617 <eor:comment>A class of entity may be determined by the creator or the publisher or by a third
619 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
622 <!-- audience refinement declarations -->
624 <rdf:Property rdf:ID ="mediator">
625 <rdfs:label>Mediator</rdfs:label>
626 <rdfs:comment>A class of entity that mediates access to the resource and for whom the resource is
627 intended or useful.</rdfs:comment>
628 <eor:comment>The audience for a resource in the education/training domain are of two
629 basic classes: (1) an ultimate beneficiary of the resource (usually a student or trainee),
630 and (2) frequently, an entity that mediates access to the resource (usually a teacher or trainer).
631 The mediator element refinement represents the second of these two classes.</eor:comment>
632 <rdfs:subPropertyOf rdf:resource = "#audience" />
633 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />
636 <!-- End: audience -->
639 <!-- HELM: Added from version 2001/03/16 -->
643 <!-- type range declarations -->
644 <!-- HELM: Here we want to constraint an external property to a particular
645 range. VRP gives a Warning when (extending or modifying) constraining the
646 range of a property defined in another schema. -->
647 <!-- <rdf:Description rdf:about = "&dcns;type">
648 <rdfs:range rdf:resource = "#TypeScheme" />
649 </rdf:Description> -->
651 <rdfs:Class rdf:ID = "TypeScheme">
652 <rdfs:label>Resource Type Encoding Schemes</rdfs:label>
653 <rdfs:comment>A set of resource type encoding schemes and/or
654 formats</rdfs:comment>
655 <rdfs:isDefinedBy rdf:resource = "&dcqns;" />