Presentation on theme: "Commission7 Annual Meeting 2003 Krakow, Poland Wonjun Choi Korea Cadastral Survey Corp. KOREA Commission7 Annual Meeting 2003 Krakow, Poland Wonjun Choi."— Presentation transcript:
Commission7 Annual Meeting 2003 Krakow, Poland Wonjun Choi Korea Cadastral Survey Corp. KOREA Commission7 Annual Meeting 2003 Krakow, Poland Wonjun Choi Korea Cadastral Survey Corp.
Contents Korea Cadastral System Weakness Land Information System Spatial Data Infrastructure Conclusion
Korea area - 100,000 km 2 population - 47 million capital - Seoul – 605.53 km 2 (0.6%) – 10 million Population (21%) geo-political bodies – 16 provincial level – 251 county level Cou Province County Province County Prov Cou
Cadastral System from 1910s separated system – cadastre physical description – land registration legal rights title registration fixed boundary systematic map
Bodies in Charge Land RegistrationCadastre Province municipality Local Court High Court MOGAHA Supreme Court Registration Office Real Estate Registers Cadastral Registers Cadastral Maps
Weakness Institutional - separated system – duplicated information management Technical - 35 million parcels registered by – plane table 95% – coordinates 5% Social - 0.5 million cadastral surveys/year – frequent land transaction & mutation for increasing residential uses – high land price
Land Information System existing textual DB digitisation of 750,000 map sheets (1999~2003) completion of PBLIS (textual + graphical) difficulties in edge-matching for seamless digital map Land Information Centre
Parcel Based Land Info. System Graphic DB Textual DB RDBMS OODBMS Middleware Customised GUI User
Spatial Data Infrastructure coordination between the concerned bodies – public sector ministries municipalities research institutions – private sector utility companies mapping firms users
Spatial Data Infrastructure standardisation clearinghouse research & training market promotion National GIS Committee – propelling body of Korean SDI – industry + academy + government
Conclusion Necessity of Integration – Cadastre – Land Registration Networking with other spatial DBs Internet Service
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