The < anyAttribute > element gives us the ability to extend an XML document with attributes that are not specified by schema!
The < anyAttribute > element gives us the ability to extend an XML document with attributes that are not specified by schema!
The following example is a fragment from a XML schema named “family.xsd”. It shows us a declaration for the “person” element. By using the < anyAttribute > element, we can add any number of attributes to the “person” element:
<xs:element name="person">
<xs:complexType>
<xs:sequence>
<xs:element name="firstname" type="xs:string"/>
<xs:element name="lastname" type="xs:string"/>
xs:sequence>
<xs:anyAttribute/>
xs:complexType>
xs:element>
Now, we want to extend the “person” element with the “gender” attribute. We can do this in this case, even if the author of the schema has never declared any “gender” attribute.
Please look at this schema file, named “attribute.xsd”:
The following XML (named “Myfamily.xml”) uses ingredients from different schema, “family.xsd” and “attribute.xsd”:
Hege
Refsnes
Stale
Refsnes
The above XML file is valid because the schema “family.xsd” allows us to add attributes to the “person” element.
Both < any > and < anyAttribute > can be used to make extensible documents! They give the document the ability to contain additional elements that are not declared in the main XML schema.
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1. Geographical Information Systems in the World Wide Web Era
4
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2. Basic technology of WebGIS
4
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3. Geographic Web Services
5
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4. aggregation of geographical information
4
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5. mobile GIS
5
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6. Geographic information portal
3
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7. New generation national spatial data infrastructure and GIS
4
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8. Application of WebGIS in E-Commerce
3
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9. Application of WebGIS in E-government
3
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10. Hotspots and frontiers of WebGIS
2
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1. Angularjs2
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1. SVG tutorial
19
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1. Memcached
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1. C# tutorial
61
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1. Sqlite
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2. Go
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2. Docker
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2. Vue3
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2. Servlet
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3. React
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3. SOAP tutorial
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3. Android
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3. Mongodb
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3. Kotlin
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4. Lua
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4. MySQL tutorial
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4. Appml
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5. Perl
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web
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5. Web Services tutorial
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6. Ruby
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6. WSDL tutorial
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11. HTML tutorial-(HTML5 Standard)
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12. Http
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13. Regex
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14. Regexp
7
Principles, Technologies, and Methods of Geographic Information Systems
102
In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.
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1. Introduction to Geographic Information Systems
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2. From the Real World to the Bit World
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3. Spatial Data Model
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4. Spatial Reference Systems and Map Projections
5
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5. Data in GIS
4
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6. Spatial data acquisition
2
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7. Spatial Data Management
6
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8. Spatial analysis
8
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9. Digital Terrain Model (DTM) and Terrain Analysis
5
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10. Spatial modeling and spatial decision support
6
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11. Spatial data representation and map making
6
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12. 3S Integration Technology
5
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13. Network Geographic Information System
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14. Examples of Geographic Information System Application
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15. Organization and Management of Geographic Information System Application Projects
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16. Geographic Information system Software Engineering Technology
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17. Geographic Information System Standards
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18. Geographic Information System and Society
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19. Earth Information Science and Digital Earth
4