Bavarian Ministry of Finance AAA

Bavarian Ministry of Finance AAA - The contribution of the Ad. V in an increasing European Spatial Data Infrastructure - the German Way Markus Seifert Bavarian Administration for Surveying and Cadastre General Assembly of the Permanent Committee on Cadastre (PCC), 12. 6. -14. 6. 2007, Hamburg

Personal Background Bavarian Ministry of Finance • Member of the DVW Working Group on geoinformation − Delegate to FIG Com 7 • Head of the SDI office in Bavaria − Establishment of a SDI in Bavaria • Head of the project team “SDI Standards” of the Ad. V − Responsible for developing and mainenance of the new integrated cadastre model ALKIS • Representaive of the Ad. V to the Open. Geospatial Consortium (OGC) − Ad. V becomes a technical member of OGC • Head of the German delegation to ISO/TC 211 • Member of the Drafting Team “Data Specification” at INSPIRE 2

Content • SDI - The European way • SDI and AAA – The German way • The new integrated cadastre model ALKIS − Content − Contribution to the NSDI • Bavarian Ministry of Finance Geoservices 3

Bavarian Ministry of Finance Current situation in Europe re tu c ru t Data policy restrictions • pricing, copyright, access rights, licensing policy Lack of co-ordination EU has islands of • across boarders data of different • between levels of government standards and quality. . . Lack of standards and their use • incompatible information systems • fragmentation of information • redundancy Lack of data s a o N s a p t a d l ia t fr in a 4

Bavarian Ministry of Finance Framework for E-services GI-specifications GI-standards „AAA implementation started in 2005“ SDI Germany INfrastructure for SPatial Info. Rmation in Europe INSPIRE The aim is the a harmonised framework directive for implementation of a European spatial data infrastructure (ESDI) 5

Requirements for an ESDI Bavarian Ministry of Finance A European spatial data infrastructure basically needs (strategic view) • • Harmonized geodetic reference Metadata for discovery of existing data Harmonized geodata and geo-services Bundle geodata and geo-services within one European portal Handle access rights and licensing policies for all users Controlling and monitoring of the implementation within the EU member states Methodology for building up a ESDI (considering process, consensus process, decision making etc. ) Keep data where it is collected and maintained and make it accessible for other using geo-web services (WMS, WFS etc. ) All these issues are addressed by the INSPIRE framework directive and the implementation rules 6

Requirements for INSPIRE Bavarian Ministry of Finance Upcoming work for EU member states during the IR review phase 7

Content • SDI - The European way • SDI and AAA – The German way • The new integrated cadastre model ALKIS − Content − Contribution to the NSDI • Bavarian Ministry of Finance Geoservices 8

Bavarian Ministry of Finance The National Geodatabase – Reference Data ALK ALB Automated Real Estate Map Automated Real Estate Register Quite a lot of AFIS-ALKIS-ATKIS redundant information Application Schema ATKIS Offical Topographic and Cartographic Information System Geodetic Reference Points 9

Bavarian Ministry of Finance Data modelling: Data and Information „his car“ „my car“ send: receive: Information (farmalising) (reconstruction) data (Transfer) car 10

Bavarian Ministry of Finance Data modelling: Data and Information Transmitter: Reveiver: Information Metadata: (formalising) Class „car“: Attribute „producer“ Attribute „price“ Data Attribute „colour“ Attribute „production year“ Attribute „condition“ Attribute „current milage“ Attribute „notation“ Information (reconstruction) (Transfer) Data car 11

Bavarian Ministry of Finance Model-driven Approach is promoted for a ESDI This and the following recommendations are listed in the Technical Report CEN/TR 15449 “Geographic information - Standards, specifications, technical reports and guidelines, required to implement Spatial Data Infrastructures” 12

Data modelling Bavarian Ministry of Finance as a basis for a SDI • A simple overlaying of maps in the internet do not need a object-oriented data model but sifficient search and presentation functionalities (web map services) • In future the requirements for geoinformation will increase, that means geoinformation must be (automatically) readable • Requirements à Standardised and readable description of the digital content using a data model à Internet services that can handle geoinformation in the internet (search, find, interpret, process, transfer und present web feature services) à A spatial data infrastructure thererfore needs web functionalities as well as standardised data models for describing all geoinformation (reference data and thematic) 13

Bavarian Ministry of Finance Contribution of the AAA Model to the European SDI Preconditions for a SDI (data modelling view) • Model-driven approach for describing the data • Semantic harmonization of the existing data as far as possible and sufficient (feature catalogues) • Application of the ISO standards for data modelling and encoding • Implementation of metadata information systems for discovery and access to the data AAA data model • Implementation of interoperable web services for data access distribution (ISO, OGC) • Operational issues (registries etc. ) • Legal issues (data sharing, IPR etc. ) • Pricing 14

Content • SDI - The European way • SDI and AAA – The German way • The new integrated cadastre model ALKIS − Content − Contribution to the NSDI • Bavarian Ministry of Finance Geoservices 15

Content of the new Bavarian Ministry of Finance cadastre information system (ALKIS) Reference points buldings Legal classification Land use 17/1 17/3 17/2 17 16 parcel 17/4 boundary point + location, owner, . . . 16

Content of the new Bavarian Ministry of Finance cadastre information system (ALKIS) School 2 levels Motorway A 7 III. Order Ilm Industrial use 2 levels owner Industry and commerce Land register District 8633 number 17/2 area 657 17/1 17/3 17/2 17 16 17/4 Main street 12 17

Bavarian Ministry of Finance Cadastral data model described with UML 18

Bavarian Ministry of Finance Unified Modelling Language (UML) Parcels, Location, Geodetic Points Land Use Houses Relief, DTM Owner, Property Rights Legal Classification, Administration Areas User Profile Buildings, Facilities and other Facts Migration Objects Application schemas are documented by using a conceptual schema language. Such a language may have a well defined graphical notation (such as UML for class diagrams) but also a machine-readable format. The use of UML according to ISO/TS 19103 is promoted as an ESDI conceptual schema language. 19

Bavarian Ministry of Finance Consequent use of International Standards Recommendation: ISO 19109 and referred standards are promoted as ESDI rules for specifying data structures and semantics. NAS (XML-Schema) 19136 (GML) profile 19109 Rules for application schema Feature Catalogue 19118 Level 1 (HTML, RTF) (XML) AAA application schema 19110 Feature catalogue 19107 – 19111 Geometry, CRS 19112 – 19115 Metadata 19103 Conceptual schema language (UML) 20

Bavarian Ministry of Finance Determine ISO-profiles for specific domains Extract of ISO 19107 Spatial Schema: Geometry Schema Answer the following questions: Domain a State B Are all these elements relevant for a SDI or a common used data model within one thematic domain? If not, which are relevant? Domain a State A 21

Bavarian Ministry of Finance Generic Structure of the AAA data model Components of the AFIS-ALKIS-ATKIS-Data model UML AAA basic schema as profile of ISO that specifies common used data elements (e. g. geometric primitives) UML AAA thematical schema automated creation by using a tool (Rational Rose script) Cadastre feature catalogue Topography feature catalogue Data exchange interface NAS (standard based data exchange interface) Thematical schema xxxfeature catalogue interface xxx 22

Bavarian Ministry of Finance Baseline for thematic application schemas: The AAA Basic Schema General structure of a feature Structure of a feature catalogue <<Leaf>> AAA_Basic. Classes + AA_Ad. VStandard. Modell + AA_PMO + AA_Fachdatenobjekt + AA_Fachdatenverbindung + AA_Lebenszeitintervall + AA_Modellart + AA_NREO + AA_Objekt. Ohne. Raumbezug + AA_REO + AA_UUID + AA_ZUSO + URI <<Leaf>> AAA_Catalogue + AC_Feature. Type + AC_Objekt. Typen. Bezeichnung + AC_Objektartenbereich + AC_Objektartengruppe + AC_Thema + AC_Themenart <<Leaf>> AAA_Operations Geometry <<Leaf>> AAA_Common. Used. Geometry + AG_Flaechenobjekt + AG_Geometrie + AG_Objekt + AG_Linienobjekt + AG_Punktobjekt + AA_Art_Themendefinition + AA_Auftrag + AA_Ergebnis + AA_Instanzenthemen + AA_Themendefinition <<Leaf>> AAA_Spatial Schema + AA_Flaechengeometrie + AA_Liniengeometrie + AA_Punkt. Linien. Thema + AG_Objekt. Mit. Gemeinsamer. Geometrie + AU_Objekt. Mit. Unabhaengiger. Geometrie + TA_Curve. Component + TA_Multi. Surface. Component + TA_Point. Component + TA_Surface. Component <<Leaf>> AAA_Independant. Geometry + AU_Flaechenobjekt + AU_Geometrie + AU_Kontinuierliches. Linienobjekt + AU_Objekt + AU_Punktobjekt Operations <<Leaf>> Presentation Use cases <<Leaf>> AAA_Point. Collection + AD_Gitter. Coverage + AD_Punkt. Coverage + AD_Referenzierbares. Gitter + AD_Wertematrix <<Leaf>> AAA_User. Profile AAA_Presentation. Objects + AP_FPO + AP_GPO + AP_Horizontale. Ausrichtung + AP_LPO + AP_LTO + AP_PPO + AP_PTO + AP_TPO + AP_Vertikale. Ausrichtung <<Leaf>> AAA_Project. Controlling + AA_Antragsart + AA_Besondere. Meilensteinkategorie + AA_Dokumentationsbedarf + AA_Gebuehrenparameter + AA_Meilenstein + AA_Projektsteuerungsart + AA_Projektsteuerungskatalog + AA_Vorgang. In. Prozess + AA_Vorgangsart + AA_Benutzergruppe 23

Bavarian Ministry of Finance Modelling of thematic data AAA basic schema as basis for thematic information systems --- Town planing Rural development Real Esate prices Cadastre (ALKIS) 3 D information AAA thematic schema Ad. V basic schema Standardised Data exchance interface (NAS) Thematic exchange interfaces 24

Content • SDI - The European way • SDI and AAA – The German way • The new integrated cadastre model ALKIS − Content − Contribution to the NSDI • Bavarian Ministry of Finance Geoservices 25

Geo Web Services Bavarian Ministry of Finance • All web services are implemented under consideration of the activities of SDI-Germany • Ad. V defined a profile of the Web Map Server specification, determine some further definitions to fill degrees of freedom, e. g: - CRS - Raster format - etc. • A WFS-G (Gazetteer service) will be implementated for providing coordinates for buildings • A catalogue service for discovering and harvesting metadata will be implementated based on eb. RIM or CSW DE profile • For operational implementation of the SDI Germany a registry will be applied • For examples see www. gdi. bayern. de 26

Geoservices Bavarian Ministry of Finance OGC Web Map Service (WMS) • Request of digital maps in raster format (PNG, GIF, TIFF, JPEG) coming from seperated digital geographic databases • Displaying with a web viewer (web browser or GIS) • Precondition: georeferencing, metadata, URL • Functionalities: Get. Capabilities, Get. Map, Get. Feature. Info

Geoservices Bavarian Ministry of Finance OGC Web Feature Service (WFS) • Request to geo resources in vector format (attributes and geometry) • Displaying with a web viewer (web browser or GIS) • Precondition: Georeferencing, metadata, URL • Functionalities: Get. Capabilities, Discribe. Feature. Type, Get. Feature • Extension: Transaction-WFS (read only and update)

Online Presentation Geo web services: www. gdi. bayern. de E-services related on cadastre: www. geoportal. bayern. de Bavarian Ministry of Finance

Conclusions Bavarian Ministry of Finance • The AAA data model with the basic schema offers a thematicindependent and generic model framework that can be a baseline for modelling of other thematic domain data models. That will help to standardise the geoinformation in Germany. • A SDI for geoinformation (not just geodata) needs an exact and transparent definition of the sharable data. Therefore the same methodology as defined with the AAA data model can be used. Doing this a national geo database can be established. • The Ad. V offers support by using the UML tools for defining the data model and deriving the data exchange interface. Specific guidelines have been published on the Ad. V home page. The Ad. V guaranties maintenance at least until 2012. • The success of the AAA data model bases on the consequent use of international GI standards from ISO. • Geoservices will help to provide cadastral information and can be integrated within variable applications of e-government solution. 30

Bavarian Ministry of Finance For more information see www. adv-online. de Questions? 31

Bavarian Ministry of Finance AAA — The contribution