1. COST G9 - Modelling Real Property Transactions Contents of a country’s report on property transactions – The case of Greece Apostolos Arvanitis, Aris Sismanidis Meeting of the COST G9 action “Modelling Real Property Transactions” 7th WG and MC meeting, 14th – 16th October 2004 in Riga ARISTOTLE UNIVERSITY OF THESSALONIKI FACULTY OF ENGINEERING SCHOOL OF RURAL AND SURVEYING ENGINEERING DEPARTMENT OF CADASTRE, PHOTOGRAMMETRY AND CARTOGRAPHY

2. COST G9 - Modelling Real Property Transactions Contents of a country’s report 1. Semantic Approach 2. Cadastre or Registration System 3. Real Property Transactions 4. Important Issues of Real Property Transactions

3. COST G9 - Modelling Real Property Transactions 1. Semantic Approach Institutional and Legal framework Property rights Ways of acquisition of rights Ways of property transfer

4. COST G9 - Modelling Real Property Transactions Concepts/Objects Procedures/Relations Description/Attributes 2. Cadastre or Registration System 3. Real Property Transactions UML Class Diagram Cadastral Database Construction Actors Activities Procedures UML Activity Diagram Information Exchange ANALYSISMODELLING RESULT

5. COST G9 - Modelling Real Property Transactions Duration Costs Property Value Taxation Fees and Expenses 4. Important Issues of Real Property Transactions

6. COST G9 - Modelling Real Property Transactions Administrative Transactions (In Greece) Amalgamation Land Consolidation Allotment Expropriations Modification of urban plan Land readjustment Change of use of real property Rename of a road Change of personal elements of a right holder

7. COST G9 - Modelling Real Property Transactions Transfer of real property rights (In Greece) Sale Donation Parental grant Bequest Inheritance Adverse possession Property exchange Addition of a floor in existing building Amalgamation Subdivision

8. COST G9 - Modelling Real Property Transactions Spatial Transactions (In Greece) Amalgamation Land Consolidation Subdivision Allotment Expropriations Modification of urban plan Land Readjustment Formation / Abolition of vertical ownership Widening or expanding an existing road Change of the boundaries position Creation of a new building Demolition of a building Correction of errors involving geometrical elements Formation of a mine

9. COST G9 - Modelling Real Property Transactions Main Actors involved in a property transaction Right Holders Notary Lawyer Surveyor Taxation Office Municipality Registration System Holder of Rights in the unit Neighbours Real Estate agency Bank Urban Planning Office Other public Authorities Cadastral Office or System of Transcriptions and Mortgages ActivePassive

10. COST G9 - Modelling Real Property Transactions Formal Description of Transactions (COST G9 Model) Activity Remarks Context Actors General Special Trigger Preconditions Activities Variations Active Passive Classes Actors Activities Attributes Emphasize by underlining the:

11. COST G9 - Modelling Real Property Transactions 3. Modelling the Cadastral Transaction of the:  Sale Sale  Subdivision Subdivision 1. Model of Greek Cadastre 1. Model of Greek Cadastre 2. Formal Description of the Transactions:  Sale Sale  Subdivision Subdivision Modelling the procedures – The Greek case