The launch early last month of Google’s Street View service in major Japanese cities brought with it considerable controversy and debate among Internet users, particularly with regard to the scope of coverage and lack of local consultation prior to roll-out. Opinions among bloggers were divided — and remain divided — over whether broadcasting detailed images of the country’s public streets and residential alleyways to the whole world is a good thing or not. While that debate has quieted down, another discussion has emerged in its wake, centered on a curious property of the new service that, as of yet, remains unexplained by the company that created it.
One of the earliest bloggers to write about this was tama atTamagorogu [タマゴãƒã‚°], who on August 6th, after taking Street View for a spin and remarking on their surprise at the service’s incredible detail, noticed something funny. While the service was rolled out across 12 cities in Japan, including Tokyo, Yokohama and Osaka, the coverage did not appear to be uniform across these areas:
ã¨ã“ã‚ãŒã©ã†ã‚‚ãŠã‹ã—ãªã“ã¨ã«æ°—付ãã¾ã—ãŸã€‚è¡—è·¯ã®ç¶²ç¾…度ãŒã“ã‚Œã»ã©å……実ã—ã¦ã„ã‚‹ã«ã‚‚ã‹ã‹ã‚らãšã€ã‹ãªã‚Šåºƒã„範囲ã®ç©ºç™½åœ°å¸¯ãŒã‚ã‚‹ã®ã§ã™ã€‚ç§ãŒä½ã‚“ã§ã„る大田区ã®ã‹ãªã‚Šã®éƒ¨åˆ†ã¯ã‚¹ãƒˆãƒªãƒ¼ãƒˆãƒ“ューãŒã‚ã‚Šã¾ã›ã‚“。
ã“ã‚Œã¯ã„ã£ãŸã„ã©ã†ã—ãŸã“ã¨ãªã‚“ã§ã—ょã†ã€‚23区内ã§ã“ã‚Œã»ã©åºƒã„空白地帯ãŒã‚ã‚‹ã®ã¯ã“ã“ã ã‘ã®ã‚ˆã†ã§ã™ã€‚23区外もã‹ãªã‚Šåºƒç¯„囲ã«ç¶²ç¾…ã•ã‚Œã¦ã„ã‚‹ã“ã¨ã‚’考ãˆã‚‹ã¨ã€å„ªå…ˆåº¦ã®ä½Žã„エリアã ã¨ã¯æ€ãˆã¾ã›ã‚“。 Google ã¯å›½é˜²é–¢ä¿‚ã®æ–½è¨ã¯èˆªç©ºå†™çœŸã§ã‚‚ã¼ã‹ã—ãŸã‚Šã—ã¾ã™ã‹ã‚‰ã€ã“ã“ã‚‚æ„図的ã«æ“作ã•ã‚Œã¦ã„ã‚‹ã‚“ã§ã¯ãªã„ã‹ã¨å‹˜ãã£ã¦ã—ã¾ã„ã¾ã™ã€‚ã¾ã•ã‹ã“ã®ã‚¨ãƒªã‚¢ã«å›½å®¶æ©Ÿå¯†ãƒ¬ãƒ™ãƒ«ã®é‡è¦æ–½è¨ãŒã‚ã£ã¦å†™çœŸã‚’自由ã«é–²è¦§ã•ã‚Œã¦ã¯ã¾ãšã„ã€ãªã‚“ã¦ã“ã¨ãŒã‚ã‚‹ã®ã§ã—ょã†ã‹ã€‚謎ã¯æ·±ã¾ã‚‹ã°ã‹ã‚Šã§ã™ã€‚
Coverage of Ōta Ward [大田区] (Tokyo) in Street View. Follow this link to explore the area directly in Street View.
Just over a week later on August 14th, blogger and social activist Nobuo Sakiyama [崎山伸夫] wrote a post on the “blank zones” (空白地帯) in coverage on Street View of Japan’s major cities:
ã“ã“ã§è¨€ã†å•é¡Œã¯ã€ã™ã§ã«å¤šãã®è°è«–ã®å¯¾è±¡ã¨ãªã£ã¦ã„る「何ãŒæ˜ ã£ã¦ã„ã‚‹ã‹ã€ã§ã¯ãªã„。逆ã®è©±ã 。ストリートビュー機能を有効ã«ã—ãŸGoogleマップã§ã¯ã€ã‚¹ãƒˆãƒªãƒ¼ãƒˆãƒ“ュー写真ãŒç”¨æ„ã•ã‚Œã¦ã„ã‚‹é“è·¯ã¯é’ã表示ã•ã‚Œã¦ãã‚Œã¨ã‚ã‹ã‚‹ã‚ˆã†ã«ãªã£ã¦ã„る。逆ã«ã„ãˆã°ã€ã‚¹ãƒˆãƒªãƒ¼ãƒˆãƒ“ューã®ãªã„ã¨ã“ã‚も分ã‹ã‚‹ã€‚
オプトアウトをè¦æ±‚ã—ãŸå ´åˆã«ã©ã†å¤‰åŒ–ã™ã‚‹ã‹ã¾ã§ã¯ç¢ºèªã—ã¦ã„ãªã„ãŒã€æ±äº¬éƒ½ã§ã¯ã€å¤§ç”°åŒºã®å¤§åŠã®ã‚ˆã†ãªå¤§ããªç©ºç™½åœ°å¸¯ã®ã»ã‹ã«ã‚‚生活é“路的ãªé“ã«å…¥ã‚Šè¾¼ã‚“ã§ã„ãªã„å ´æ‰€ã‚‚å¤šã„。例ãˆã°ã€å‰åŽŸã‚„山谷ã®ä¸€éƒ¨ã‚‚ãã†ã ã—ã€å¤§ä¹…ä¿ãƒ»ç™¾äººç”ºã‚‚ãã†ã„ã†éƒ¨åˆ†ãŒå¤šã„。湯島駅ã®è¿‘辺も粗ã‚ã€‚æ ¹æ´¥ãƒ»åƒé§„木ã‚ãŸã‚Šã¯å˜ã«é“ãŒç´°ã„ã¨ã“ã‚を通ã£ã¦ã„ãªã„よã†ãªæ°—ã‚‚ã™ã‚‹ãŒã€é«˜æœ¨ã•ã‚“ã®æŒ™ã’ãŸç›®ç™½ã®äº‹ä¾‹ã§ã¯ã€ã‹ãªã‚Šç´°ã„é“ã¾ã§å…¥ã‚Šè¾¼ã‚“ã§ã„ã‚‹ã‹ã‚‰ã€å˜ç´”ã«é“è·¯ã®å¹…ã®å•é¡Œã¨ã‚‚ã„ãˆãªã„ã ã‚ã†ã€‚
æ±äº¬ä»¥å¤–ã§ã¯ã€æœ‰åãªå¤§è¦æ¨¡è¢«å·®åˆ¥éƒ¨è½ï¼ˆã“ã“ã¯åœ°åŸŸå›£ä½“ãŒãƒ‰ãƒ¡ã‚¤ãƒ³ã¨ã£ã¦Webサイトã¾ã§æŒã£ã¦ã„ã‚‹ãŒä¸€å¿œéƒ½å¸‚åã‚‚å«ã‚ã¦å®Ÿåã¯é¿ã‘る)ã«ã¤ã„ã¦ã‚¹ãƒˆãƒªãƒ¼ãƒˆãƒ“ューãŒå¤–周以外ã¯ã‚ã¾ã‚Šãªã„ãªã©ãŒåˆ†ã‹ã‚‹ã€‚ã‚‚ã£ã¨ã‚‚ã€ã“ã®éƒ½å¸‚ã®ç©ºç™½åœ°å¸¯ã¯ãれ以外ã«ã‚‚多ã„ã—ã€ã¾ãŸã€2ã¡ã‚ƒã‚“ãã‚‹ã®äººæ¨©å•é¡Œæ¿ãªã©ã‚’ã¿ã‚‹ã¨ã€è¢«å·®åˆ¥éƒ¨è½ã ã‹ã‚‰ã¨ã„ã£ã¦GoogleãŒã‚¹ãƒˆãƒªãƒ¼ãƒˆãƒ“ューをé¿ã‘ã¦ã„ã‚‹ã¨ã„ã†å› 果関係もãªã„よã†ã 。ãŸã ã€ãã®åœ°åŸŸã®ãŠãŠã‚ˆãã®æ‰€åœ¨ã‚’知ã£ã¦ã„ã‚Œã°åœ°å›³ã®ä¸Šã§å¯è¦–化ã•ã‚Œã¦ãã‚‹ã¨ã„ã†è¦ç´ ã¯ã‚る。
(For those interested, Sakiyama goes into more detail about the connection to burakumin (部è½æ°‘, a Japanese social minority group) in an interesting and detailed follow-up post [ja]. If readers are interested I could translate part of this entry in a separate round-up.)
Sakiyama’s thoughts are echoed in a popular entry by Hatena blogger id:buyobuyo:
æ´å²çš„・社会的ã«å·®åˆ¥ã‚’å—ã‘ã¦ããŸã‚ˆã†ãªåœ°åŸŸã‚’é¿ã‘ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã‹ã€ã¨ã„ã†ã“ã¨ã§ã€ãã†ã„ã†åœ°åŸŸãŒã„ã‚„ãªå½¢ã§ã€å†™ã£ã¦ã„ãªã„ã“ã¨ã§æ™’ã•ã‚Œã‚‹ã‚ˆã†ã«ãªã‚‹ã®ã§ã¯ãªã„ã®ã‹ã¨ã„ã†æ‡¸å¿µã§ã‚る。
ç¾åœ¨ã¯ã€ã‚µãƒãƒ¼ãƒˆã‚¨ãƒªã‚¢ãŒã¾ã å°ã•ã„ã®ã§ãã†ã„ã†ã“ã¨ã«ã¯ãªã‚‰ãªã„ã ã‚ã†ãŒã€æ‡¸å¿µã¯æ®‹ã‚‹ã€‚å‰ã«ã‚‚書ã„ãŸãŒã€ä¿ºã¯äººãŒå†™ã‚‰ãªã„よã†ã«ã‚‚ã£ã¨å·¥å¤«ã—ã¦ã€å•†æ¥åœ°åŸŸã‚„幹線é“路沿ã„ã«é™å®šã™ã‚Œã°ã‚ˆã„サービスã ã¨æ€ã†ã—ã€ãã®ã‚ˆã†ãªæ˜Žç¢ºãªæ’®å½±ã®ã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³ã‚’公表ã™ã‚‹ã“ã¨ã§ã€ç´¹ä»‹ã—ãŸã‚ˆã†ãªæ‡¸å¿µã‚‚払æ‹ã§ãã‚‹ã ã‚ã†ã€‚
Coverage of Ōta Ward [大田区] (Tokyo) in Street View. Follow this link to explore the area directly in Street View. buyobuyo compares the atmosphere of Ōta Ward in these pictures to Area 51 in the U.S.
At umakoya.com, another blogger considers a few of the places in ÅŒta Ward not covered by Street View: Kugahara, Ikegami Honmon-jiand Kamata.
ãŸã—ã‹ã«ä¹…ãŒåŽŸã€æ± 上本門寺近辺ã¯åº¶æ°‘ãŒä½ã‚€å ´æ‰€ã§ã¯ãªã„ã‘ã©ã€å°ç”Ÿã®è¿‘所ã¯å·¥æ¥åœ°å¸¯ã€‚
å¤§ç”°åŒºé›¶ç´°å·¥å ´ã®æŠ€è¡“力ã¯ä¸–界一ィィィィィィï¼ãªæ—‹ç›¤å·¥å ´ã‚„ã€å€‰åº«ã€ã‚¯ãƒªãƒ¼ãƒ‹ãƒ³ã‚°å·¥å ´ãŒã„ã£ã±ã„ã§ã™ã€‚
空白地帯ãŒè’²ç”°ã¾ã§åŠã‚“ã§ã„ã‚‹ã“ã¨ã‚’考ãˆã‚‹ã¨ã€ãŠå±‹æ•·è¡—を外ã—ãŸã®ã¨ã¯åˆ¥ã®ç†ç”±ãŒã‚るよã†ã«æ€ãˆã¾ã™ã€‚
The technological strength of small-scale factories in ÅŒta ward originates in many world-class turneries, warehouses, and cleaning factories.
Considering that the blanked-out areas reach as far as Kamata [蒲田], the idea that [Google] was trying to remove high-class streets doesn’t seem very convincing.
Other bloggers found blank zones in different areas. Blogger Yutaka Tomisawa [富澤豊] picks out one in Namidabashi (Tokyo) [泪橋] (link to Street View):
ã“ã®ä»–ã€ã‚ˆã€œã見ã¦ã¿ã‚‹ã¨ã€ã€Œæ³ªæ©‹ã€ã®ã‚ãŸã‚Šã‚‚ã€å°ã•ãªç©ºç™½åœ°å¸¯ã«ãªã£ã¦ã„ãŸã‚Šã—ã¾ã™ã€‚
ã¨ã„ã†ã“ã¨ã¯ã€ã‚°ãƒ¼ã‚°ãƒ«ç¤¾ã‚‚ã€ä½•ã‚‰ã‹ã®é…慮をã™ã‚‹æ„æ€ã¯ã‚る。
ã ã£ãŸã‚‰ã€ã†ã¡ã®è¿‘所もã€ã‚´ãƒƒã‚½ãƒªç©ºç™½åœ°å¸¯ã«ã—ã¦ã‚‚らã†ã“ã¨ã‚‚ä¸å¯èƒ½ã§ã¯ãªã„ã¨ã„ã†ã“ã¨ã€‚
Google must be intentionally paying special attention [to certain areas].
If that’s the case, it’s not impossible that they would completely blank out for me the area where I live.
Meanwhile, blogger id:kanose at ARTIFACT@ãƒãƒ†ãƒŠç³» wonders why their hometown of Nishitokyo is also blanked out:
西æ±äº¬å¸‚ã¯åœ°å…ƒãªã‚“ã ã‘ã©ã€ã“ã®ã‚¨ãƒªã‚¢ã¯æ”¿åºœæ–½è¨ãŒã‚る訳ã§ã‚‚ãªã—ã€ãŠå±‹æ•·è¡—ãŒã‚る訳ã§ã‚‚ãªã„。ãªãœç©ºç™½åœ°å¸¯ã«ãªã£ã¦ã„ã‚‹ã®ã‹æ°—ã«ãªã£ã¦ã‚‹ã€‚
Coverage of part of Nishitokyo [西æ±äº¬] in Street View. Follow this link to explore the area directly in Street View.
Finally, at the Osaka shi mondai matome site [大阪市å•é¡Œã¾ã¨ã‚サイト], one blogger argues that the connection between blank zones and so-called assimilation districts [åŒå’Œåœ°åŒº] (or burakumin areas) is just a new variation on an old theme:
åŒå’Œåœ°åŒºã ã‘写真ãŒç¸¦è¦§ã§ããªã„ã¨ã„ã†ã€Œç©ºç™½åœ°å¸¯å•é¡Œã€ã¯åŒå’Œåœ°åŒºãŒå‘¨çŸ¥ã•ã‚Œã¦ã„ã‚‹ä½•ã‚ˆã‚Šè¨¼æ‹ ã§ã™ã€‚ã¤ã¾ã‚Šå…¬ç„¶ã®ç§˜å¯†ã£ã¦ã‚ã‘。ãã‚ŒãŒã‚¹ãƒˆãƒªãƒ¼ãƒˆãƒ“ューã«ã‚ˆã‚Šé¡•åœ¨åŒ–ã•ã‚ŒãŸã ã‘ã®ã“ã¨ã§ã™ã€‚パãƒãƒ³ã‚³ãŒåˆæ³•ã‚®ãƒ£ãƒ³ãƒ–ルã ã¨ã‹é£›ç”°æ–°åœ°ãŒåˆæ³•å£²æ˜¥åœ°å¸¯ã£ã¦ã®ã¨å…¨ãåŒã˜ã§ã™ã€‚ãã‚Œã¯æ˜”ã‹ã‚‰ã®ã“ã¨ã§ã€ä»Šã«ãªã£ã¦å§‹ã¾ã£ãŸè©±ã§ã¯ã‚ã‚Šã¾ã›ã‚“。
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