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 – 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 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