[Talk-ko] questions about Korean address data

[Sanghee Shin]

Hi Tom, 

I’m not sure I can give you correct answer. However I’d like to answer to the best extent of my knowledge. 

1. As far as I know you(or we) are not able to download cadastral data from the Internet directly. You need to send official letter to the Korean government with purpose specified to get the permission of acquiring KLIS(Korea Land Information System, fully combined set of cadastral data) data through off-line. However you can geocode new address data from juso.go.kr <http://juso.go.kr/> into x,y coordinates using some free utilities or Open API. Take a look at this freeware: http://www.geoservice.co.kr/board/read.php?cate=01&bo_seq=1473 <http://www.geoservice.co.kr/board/read.php?cate=01&bo_seq=1473> 

2. It seems that the data is about “old” and “new” addresses. RD_NM,BD_MA_SN,BD_SB_SN,BD_NM,DET_BD_NM fields are about new addresses. Road name, new main address(house or building number), new sub address, building name, detailed building name respectively. 

With regards, 

Sanghee
---
Sanghee Shin, Chair of FOSS4G 2015 Seoul 
"Toward Diversity! FOSS4G Bigbang from Seoul!"
http://2015.foss4g.org
Twitter: @foss4g
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email: foss4gchair at osgeo.org



> 2014. 12. 23., 오후 4:26, Tom Lee <tlee at mapbox.com> 작성:
> 
> I had recently been researching Korean address data for possible inclusion in openaddresses.io <http://openaddresses.io/>. 
> 
> I understand that the country is undergoing a transition in its address system, and have been pleased to find some open address data <http://data.seoul.go.kr/openinf/sheetview.jsp?infId=OA-1088>. I have contributed data from data.seoul.go.kr that covers Seoul <https://github.com/openaddresses/openaddresses/pull/698>. However, finding data for the rest of the country has proven difficult.
> 
> juso.go.kr <http://juso.go.kr/> provides downloads of address data -- here is an example <https://gist.github.com/sbma44/34ce7e192d08ce7adfba>. But it does not contain location information. The site's search functionality <http://www.juso.go.kr/support/AddressMainSearch2.do> makes it clear that this data can be joined to geographic data, but it is not clear where this data comes from or whether it is available for public use. In many countries this data is kept in the state cadastral/parcel database (perhaps LURIS <http://luris.molit.go.kr/>, in Korea's case?), but I am unable to confirm that this is the case in Korea.
> 
> I have two questions:
> 
> 1. Is South Korean cadastral data available for download, such that it can be joined to the address data available from juso.go.kr <http://juso.go.kr/>?
> 
> 2. In the open Seoul address data, there are columns for "old" and "new" addresses. Here is a sample of one file <https://gist.github.com/sbma44/51023dff53c4583f8184>. At first I thought that this was related to the address system change that juso.go.kr <http://juso.go.kr/> describes, but now I doubt this. Can anyone tell me which set of data, "old" or "new", is appropriate to use in the Seoul data?
> 
> Thanks very much for any help you can offer. 
> 
> Tom
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