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10월 24일자 구글 LatLong 블로그 소식입니다. 엊그제 나온 미국 대통령선거 정보사이트라는 글에 대한 추가 소식입니다.

미국 대통령선거 정보 사이트에 포함된 정보는 주로 선거정보 프로젝트에 참여한 주정부 혹은 지방정부의 공무원이 제공한 정보이지만, 여기에 참여하지 않는 행정구역도 있어서, 현재 100% 만족스런 정보는 아니라는 내용입니다.

머... 이번 소식도 별로 내키지 않아 원문을 번역하지 않았습니다. 사실 올리고 싶은 기사가 너무 많은데, 이것저것 신경쓸 것이 많아 시간을 내지 못하고 있다는...ㅠㅠ

민, 푸른하늘
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http://google-latlong.blogspot.com/2008/10/note-on-election-information.html
Friday, October 24, 2008 at 1:15 PM
Given our recent launch of 2008 US Voter Info, we thought we'd share a behind-the-scenes look at where this data comes from. Google is collecting official election information from many sources - our earlier blog post noted that we've worked with state and local election officials and partners in the Voting Information Project, including the Pew Charitable Trusts and League of Women Voters.  Each has helped us get access to data necessary for answering your questions about where to vote.

The best source of data is the "feed" of election information provided directly by state and local election officials in the Voting Information Project's open format. VIP partners provide us a full set of data that matches voter addresses to polling places for their respective jurisdictions. With this data, we can do a great job finding your polling place.

In other jurisdictions we've tapped a few sources of official election information: we've collected data that matches registered voter addresses to precincts, and another set of data that matches precincts to polling places. Overall, this data is very useful but there are some challenges since both datasets could have errors and omissions.

The key problem is that we have to extrapolate which precincts voters are assigned to based on a single snapshot of a national voter database, which is a moving target. It is at this stage, in particular, that we have to be careful not to be wrong.  If you live on a street not represented in this snapshot then we cannot know what your polling place would be because we can't safely match it to a precinct.

This is a conservative algorithm, but we think it's the best approach. For information this important, we would rather not provide an answer than the wrong answer. When we can't find a polling place, we provide links to state election officials' websites and other voter resources.

Overall, our current coverage of US polling places is 92%. This means that even if we can match an address to a precinct, 8% of the time we won't know what the polling place is for that precinct -- but the vast majority of people should be able to find exactly what they need to know. Of course, we're still working on getting as close to 100% as possible, so keep checking back with us!
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구글 LatLong 블로그 목록 : http://heomin61.tistory.com/6

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제 관심사는 계속 바뀝니다. 이 블로그를 유지하는 동안에도 벌써 여러번 주제가 빠뀐 것 같습니다. 돌고 돌아 이제 고향으로 돌아왔습니다. 공간정보입니다. 세계를 측정하고, 그 기준을 세우고, 데이터를 효율적으로 공유하는 것이 공간정보에서 다루는 내용입니다. 4차산업혁명이 데이터 기반이라고들 합니다. 데이터는 그냥 모아둔다고 정보가 되지 않습니다. 표준에 따른 공통 스키마를 기반으로 만들어져야 합니다. 누구나 언제든지, 쉽고 투명하게 데이터를 가져다 쓸
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