helm/schemas/schema-hth

   1 <?xml version="1.0"?>
   2
   3 <!-- Rdf Schema definition for theory files:
   4 xmlns:hth="http://www.cs.unibo.it/~schena/schema-hth#" -->
   5
   6 <!DOCTYPE rdf:RDF [
   7         <!ENTITY rdfns 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
   8         <!ENTITY rdfsns 'http://www.w3.org/2000/01/rdf-schema#'>
   9         <!ENTITY dcns 'http://www.cs.unibo.it/~schena/dces#'>
  10         <!ENTITY dcqns 'http://www.cs.unibo.it/~schena/dcq#'>
  11         <!ENTITY dctns 'http://www.cs.unibo.it/~schena/dctype#'>
  12         <!ENTITY xschemans 'http://www.w3.org/1999/XMLSchema-datatypes#'>
  13         <!ENTITY hthns 'http://www.cs.unibo.it/~schena/schema-hth#'>
  14         <!ENTITY hns 'http://www.cs.unibo.it/~schena/schema-h#'>
  15    ]>
  16
  17 <rdf:RDF xml:lang="en"
  18        xmlns:rdf="&rdfns;"
  19        xmlns:rdfs="&rdfsns;"
  20        xmlns:dc="&dcns;"
  21        xmlns:dcq="&dcqns;"
  22        xmlns:dct="&dctns;"
  23        xmlns:xs="&xschemans;">
  24
  25 <!-- RICORDA: specificare i contenuti dei dc elements: problemi con RSSDB -->
  26 <!-- RICORDA: aggiungi euler properties -->
  27
  28 <!-- Description of Schema -->
  29
  30 <rdf:Description rdf:about="&hthns;">
  31   <rdfs:label>The HELM Element Set v0.1</rdfs:label>
  32   <dc:title>The HELM Theory Element Set v0.1</dc:title>
  33   <dc:publisher>The HELM Project</dc:publisher>
  34   <dc:description>The HELM metadata vocabulary is a simple vocabulary
  35       intended to facilitate discovery of mathematical resources.
  36   </dc:description>
  37   <dc:language>English</dc:language>
  38   <dc:relation rdf:resource="http://ww.cs.unibo.it/helm/"/>
  39   <dcq:isRequiredBy rdf:resource="&hns;"/>
  40   <dcq:conformsTo rdf:resource="http://www.w3.org/RDF/"/>
  41   <dcq:issued>2000-6-3</dcq:issued>
  42   <dcq:modified>2002-9-6</dcq:modified>
  43   <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  44 </rdf:Description>
  45
  46
  47 <!-- Classes -->
  48
  49 <rdfs:Class rdf:about="&hthns;MathResource">
  50      <rdfs:comment>Mathematical resources</rdfs:comment>
  51      <rdfs:subClassOf rdf:resource="&rdfsns;Resource"/>
  52      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  53 </rdfs:Class>
  54
  55 <rdfs:Class rdf:about="&hthns;Theory">
  56      <rdfs:comment>Mathematical resources represented by theories</rdfs:comment>
  57      <rdfs:subClassOf rdf:resource="&hthns;MathResource"/>
  58      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  59 </rdfs:Class>
  60
  61 <rdfs:Class rdf:about="&hthns;TheoryItem">
  62      <rdfs:comment>Theory items represented by: axiom, fact, definition, theorem, lemma, corollary, variable, specified by a XPath expression</rdfs:comment>
  63      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  64 </rdfs:Class>
  65
  66 <rdfs:Class rdf:about="&hthns;Contact">
  67      <rdfs:comment>Creator contact information</rdfs:comment>
  68      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  69 </rdfs:Class>
  70
  71 <!-- Subclass of dcq:URI, dct:Text and dct:Software -->
  72
  73 <rdfs:Class rdf:about="&hthns;HelmURI">
  74      <rdfs:comment>HELM URIs of a mathematical resource. Subclass of dcq:URI
  75 which is an instance of the IdentifierScheme class</rdfs:comment>
  76      <rdfs:subClassOf rdf:resource="&dcqns;URI"/>
  77      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  78 </rdfs:Class>
  79
  80 <rdfs:Class rdf:about="&hthns;HELMText">
  81      <rdfs:comment>HELM File text types of a mathematical resource (possible
  82 values of the Dublin Core property type). Possible values of the rdf:about
  83 attribute can be: Abstract, Paper, Bibliography, HomePage, LectureNotes,
  84 Monograph, PatentSpec, Preprints, Proceedings, Review, Separatum, Serial,
  85 TechReport, Thesis, Enclosure, General. General describes a document not of
  86 the previous types. A helm theory has no type per se. Subclass of dcq:Text
  87 which is an instance of the TypeScheme class</rdfs:comment>
  88      <rdfs:subClassOf rdf:resource="&dctns;Text"/>
  89      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  90 </rdfs:Class>
  91
  92 <rdfs:Class rdf:about="&hthns;HELMSoftware">
  93      <rdfs:comment>HELM File software types of a mathematical resource
  94 (possible values of the Dublin Core property type). Possible values of the
  95 rdf:about attribute can be: Exec, Source. Subclass of dcq:Software
  96 which is an instance of the TypeScheme class</rdfs:comment>
  97      <rdfs:subClassOf rdf:resource="&dctns;Software"/>
  98      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
  99 </rdfs:Class>
 100
 101 <!-- Instances of dcq:FormatScheme and dcq:IdentifierScheme -->
 102 <!-- Instances are only for typing classes not for using.   -->
 103
 104 <dcq:FormatScheme rdf:about="&hthns;HelmFormat">
 105      <rdfs:comment>Instance of the class FormatScheme to describe HELM File
 106 formats of a mathematical resource (possible values of the Dublin Core property
 107 format). Possible values of the rdf:about
 108 attribute can be XML.cic, XML.hol, XML.mizar. Each Helm format describes
 109 a logical framework. The class dcq:IMT contains values as text/xml, text/xhtml,
 110 text/mml, text/ps, text/tex, text/pdf.</rdfs:comment>
 111      <rdf:type rdf:resource="&rdfsns;Class"/>
 112      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 113 </dcq:FormatScheme>
 114
 115 <dcq:IdentifierScheme rdf:about="&hthns;HelmID">
 116      <rdfs:comment>Instance of the class IdentifierScheme to describe HELM
 117 identifiers</rdfs:comment>
 118      <rdf:type rdf:resource="&rdfsns;Class"/>
 119      <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 120 </dcq:IdentifierScheme>
 121
 122 <!--  SubProperties of dc:description, dc:creator, dc:relation and
 123       hth:dependence                                               -->
 124
 125 <!-- There are also dcq:created and dcq:modified dc:date subProperties -->
 126 <rdf:Property rdf:ID="firstVersion">
 127     <rdfs:comment>Any additional information about the first version of the
 128 mathematical resource</rdfs:comment>
 129     <rdfs:subPropertyOf rdf:resource="&dcns;description"/>
 130     <rdfs:domain rdf:resource="#MathResource"/>
 131     <rdfs:range rdf:resource="&xschemans;string"/>
 132 </rdf:Property>
 133
 134 <rdf:Property rdf:ID="modified">
 135     <rdfs:comment>Any additional information about the modified version of the
 136 mathematical resource</rdfs:comment>
 137     <rdfs:subPropertyOf rdf:resource="&dcns;description"/>
 138     <rdfs:domain rdf:resource="#MathResource"/>
 139     <rdfs:range rdf:resource="&xschemans;string"/>
 140 </rdf:Property>
 141
 142 <rdf:Property rdf:about="&hthns;institution">
 143     <rdfs:comment>Affiliated institution of the creator of the mathematical
 144 resource</rdfs:comment>
 145     <rdfs:subPropertyOf rdf:resource="&dcns;creator"/>
 146     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 147     <rdfs:range rdf:resource="&xschemans;string"/>
 148     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 149 </rdf:Property>
 150
 151 <rdf:Property rdf:about="&hthns;contact">
 152     <rdfs:comment>Contact of the creator of the mathematical
 153 resource</rdfs:comment>
 154     <rdfs:subPropertyOf rdf:resource="&dcns;creator"/>
 155     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 156     <rdfs:range rdf:resource="#Contact"/>
 157     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 158 </rdf:Property>
 159
 160 <rdf:Property rdf:about="&hthns;isBasedOn">
 161     <rdfs:comment>A relation between mathematical resources</rdfs:comment>
 162     <rdfs:subPropertyOf rdf:resource="&dcns;relation"/>
 163     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 164     <rdfs:range rdf:resource="&hthns;HelmURI"/>
 165     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 166 </rdf:Property>
 167
 168 <rdf:Property rdf:about="&hthns;isBasisFor">
 169     <rdfs:comment>A relation between mathematical resources</rdfs:comment>
 170     <rdfs:subPropertyOf rdf:resource="&dcns;relation"/>
 171     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 172     <rdfs:range rdf:resource="&hthns;HelmURI"/>
 173     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 174 </rdf:Property>
 175
 176 <rdf:Property rdf:about="&hthns;isSourceFor">
 177     <rdfs:comment>A relation between mathematical resources</rdfs:comment>
 178     <rdfs:subPropertyOf rdf:resource="&dcns;relation"/>
 179     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 180     <rdfs:range rdf:resource="&hthns;HelmURI"/>
 181     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 182 </rdf:Property>
 183
 184 <rdf:Property rdf:about="&hthns;hasSource">
 185     <rdfs:comment>A relation between mathematical resources</rdfs:comment>
 186     <rdfs:subPropertyOf rdf:resource="&dcns;relation"/>
 187     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 188     <rdfs:range rdf:resource="&hthns;HelmURI"/>
 189     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 190 </rdf:Property>
 191
 192 <rdf:Property rdf:about="&hthns;uses">
 193     <rdfs:comment>A dependence between theory items (for instance: between a theorem or anything else and a variable)</rdfs:comment>
 194     <rdfs:subPropertyOf rdf:resource="&hthns;dependence"/>
 195     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 196 </rdf:Property>
 197
 198 <rdf:Property rdf:about="&hthns;isUsedBy">
 199     <rdfs:comment>A dependence between theory items (for instance: between a variable and
 200 a theorem or anything else)</rdfs:comment>
 201     <rdfs:subPropertyOf rdf:resource="&hthns;dependence"/>
 202     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 203 </rdf:Property>
 204
 205 <rdf:Property rdf:about="&hthns;hasConsequence">
 206     <rdfs:comment>A dependence between theory items (for instance: between a theorem and
 207 a corollary)</rdfs:comment>
 208     <rdfs:subPropertyOf rdf:resource="&hthns;dependence"/>
 209     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 210 </rdf:Property>
 211
 212 <rdf:Property rdf:about="&hthns;isConsequenceOf">
 213     <rdfs:comment>A dependence between theory items (for instance: between a corollary
 214 and a theorem). Alternatively: IsResultOf</rdfs:comment>
 215     <rdfs:subPropertyOf rdf:resource="&hthns;dependence"/>
 216     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 217 </rdf:Property>
 218
 219 <rdf:Property rdf:about="&hthns;hasPremise">
 220     <rdfs:comment>A dependence between theory items (for instance: between a theorem
 221 and a lemma)</rdfs:comment>
 222     <rdfs:subPropertyOf rdf:resource="&hthns;dependence"/>
 223     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 224 </rdf:Property>
 225
 226 <rdf:Property rdf:about="&hthns;isPremiseOf">
 227     <rdfs:comment>A dependence between theory items (for instance: between a lemma
 228 and a theorem)</rdfs:comment>
 229     <rdfs:subPropertyOf rdf:resource="&hthns;dependence"/>
 230     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 231 </rdf:Property>
 232
 233 <!-- Properties -->
 234
 235 <rdf:Property rdf:about="&hthns;theoryItem">
 236     <rdfs:comment>Theory item</rdfs:comment>
 237     <rdfs:domain rdf:resource="&hthns;Theory"/>
 238     <rdfs:range rdf:resource="&hthns;TheoryItem"/>
 239     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 240 </rdf:Property>
 241
 242 <rdf:Property rdf:about="&hthns;dependence">
 243     <rdfs:comment>Dependence between theory items</rdfs:comment>
 244     <rdfs:domain rdf:resource="&hthns;TheoryItem"/>
 245     <rdfs:range rdf:resource="&hthns;HelmID"/>
 246     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 247 </rdf:Property>
 248
 249 <rdf:Property rdf:about="&hthns;itemType">
 250     <rdfs:comment>Axiom, Fact, Definition, Theorem, Lemma, Corollary,
 251 Variable. Redundant info: it is already captured by the corresponding xml data</rdfs:comment>
 252     <rdfs:domain rdf:resource="&hthns;TheoryItem"/>
 253     <rdfs:range rdf:resource="&xschemans;string"/>
 254     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 255 </rdf:Property>
 256
 257 <rdf:Property rdf:about="&hthns;label">
 258     <rdfs:comment>Description of the kind of objects: data type,
 259 algorithm, specification, theorem containing algorithm, verification (that the
 260 implementation satisfies the specification), predicate/relation, proposition</rdfs:comment>
 261     <rdfs:domain rdf:resource="&hthns;TheoryItem"/>
 262     <rdfs:range rdf:resource="&xschemans;string"/>
 263     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 264 </rdf:Property>
 265
 266 <!-- ex. f:N->Z => N>->Z and n:Nat => n:Z -->
 267 <rdf:Property rdf:about="&hthns;isCoercion">
 268     <rdfs:comment>A Definition item can be a coercion</rdfs:comment>
 269     <rdfs:domain rdf:resource="&hthns;TheoryItem"/>
 270     <rdfs:range rdf:resource="&xschemans;boolean"/>
 271     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 272 </rdf:Property>
 273
 274 <!-- The id info is no more contained in the theory xml doc, so there isn't
 275 redundant info between metadata and data -->
 276 <rdf:Property rdf:about="&hthns;ident">
 277     <rdfs:comment>Identifier of a theory item</rdfs:comment>
 278     <rdfs:domain rdf:resource="&hthns;TheoryItem"/>
 279     <rdfs:range rdf:resource="&hthns;HelmID"/>
 280     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 281 </rdf:Property>
 282
 283 <rdf:Property rdf:about="&hthns;email">
 284     <rdfs:comment>E-mail of the creator of the mathematical
 285 resource</rdfs:comment>
 286     <rdfs:domain rdf:resource="&hthns;Contact"/>
 287     <rdfs:range rdf:resource="&xschemans;string"/>
 288     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 289 </rdf:Property>
 290
 291 <rdf:Property rdf:about="&hthns;address">
 292     <rdfs:comment>Address of the creator of the mathematical
 293 resource</rdfs:comment>
 294     <rdfs:domain rdf:resource="&hthns;Contact"/>
 295     <rdfs:range rdf:resource="&xschemans;string"/>
 296     <rdfs:isDefinedBy rdf:resource = "&hthns;" />
 297 </rdf:Property>
 298
 299 <!-- HELM: Constraining an external (dc) property to a particular range and
 300 domain (hth:MathResource) should be possible. VRP gives a Warning when
 301 constraining (extending, adding constraints to) the range of a property
 302 defined in another schema (Consistency problems?No because it's an error
 303 modifying the original constraints): but where is the extensibility and
 304 reusability of RDF schemas? It's ok specializing a property with a
 305 subProperty. Anyway if the range of a property is not defined, VRP validates
 306 both if the property value is a resource, a class or a Literal.
 307 <rdf:Description rdf:about = "&dcns;type">
 308     <rdfs:domain rdf:resource="&hthns;MathResource"/>
 309 </rdf:Description> -->
 310
 311 </rdf:RDF>