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💴 | [Review] What is the difference between "sento" and "super sento"?


[Review] What is the difference between "sento" and "super sento"?

If you write the contents roughly
There is also a site that displays a list of each super public bath facility nationwide when you search the Internet.

What is the difference between "super sento" and sento? According to the Public Bath Law, "super sento" uses hot water, salt bath, hot springs, etc. to make the public ... → Continue reading

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Super sento

Super sento(Super Sento)JapanInpublic bathhouseIs a type ofPublic bathOne of the forms of.Public bath lawAnd eachPrefectures OfPublic bath ordinanceAbovePrice Control OrdinanceIt is classified as "other public baths" that are not restricted byPublic bathとHealth landIt is an intermediate existence of.Also,Day trip bath facilityinclude.

There are various theories about the birthplace,1980 eraIt is said that it began to appear from the middle[1][2][3]. "Funabashi Health CenterIt can be said that the bathing facilities that were built in various places as facilities that are cheaper, have a better turnover rate, have less incidental facilities, and do not require installation costs are super public baths, as health lands that originated in "" are spreading all over the country.[4].

What is a general "sento"?Outdoor bath, Various item buses,saunaTo enhance additional bath facilities such asCafeteria,Barber shopIt is differentiated by adding various facilities and stores such as.ManyTap waterOr well water is boiled and used, but some or all bathtubsSpaThe number of super public baths that are said to be increasing.


As a run of a "super public bath" -like facility with full facilities1985ToToyamaTakaoka"Manyo Poka Poka Onsen" opened in 2011 (closed in XNUMX),1987ToOsakaToyonaka City"Dream public bath five colors" opened in1976ToOsakaIkuno WardThere is "New Fujiwa Onsen" (closed in 2008) that opened in Japan.These public baths are classified as "ordinary public baths" in the Public Bath Ordinance (bathing fees are set by each prefecture), and strictly speaking, the classification is different from the current mainstream super public baths.on the other hand,1990ToAichiNagoya cityMoriyama WardOpened in "Ryusenji no YuIs said to be the forerunner of super public baths classified as "other public baths" in the ordinance.The appearance of this facility was epoch-making, as the facility side could freely set the bathing fee, and the bathing fee was included in the bathing fee.[1][2][3]. afterwards,1990 eraFrom the second half2000 eraIn the first half of the year, there was a rush to open super public baths nationwide.2009About 770 facilities have been opened by[5].

From nearby hot springs since the late 1990sTrackYou can also see super public baths that bring hot water and boil it.This methodボ ー リ ン グNatural hot springs can be secured relatively easily, and the hot spring area and spring quality can be selected arbitrarily. There is also a drawback.It has also been popular since the 2000s.Bedrock bathSome stores have installed the above equipment as an additional service.Furthermore, in recent years artificialCarbonated springThe number of stores that have introduced is increasing.While introducing the latest equipment, there are relatively many places where the overall tendency is to make the building a Japanese style.

Since the advent of super public baths, public baths have become a family amusement park, but on the other hand, in the past, they were simply parents (Guardian) Etc. of the childmixed bathingSome people have a problem with this, and each prefecture has its own rules.OrdinanceBathing restrictions due to[6]Not only that, some stores have "height restrictions" and their own "mixed bathing age restrictions".In addition, while everyone can easily enjoy the feeling of a hot spring in the vicinity at a low price, some users such as putting towels on the bathtubMannersThe badness of this is also regarded as a problem, and although there is a temperature difference, improvement measures are being taken at each store.Some stores have restrictions such as "no entry for elementary school students or younger", and some stores have posted a notice that they will be closed immediately if they discover a manner violation.

recently,OFR48It was formed by female employees working in hot bath facilities nationwide to revitalize the hot bath industry.IdolThe group has been featured in various media.

Definitions and features

There is no clear definition of super public bath, but the facilities and environment tend to be as follows.[4][7][8][9][10][11][12].

  • AutomobileAssuming a visit to the storeParking LotIs secured.
  • In connection with the aboveSuburbThe store is open along the main road of.
  • UchiyuNot only that, there are additional bath facilities such as a jacuzzi, sauna, and open-air bath.
  • There is a dining space and a resting place.Some stores offer menus comparable to restaurants.
  • Barber shop·ボ デ ィ ケ アThe store has entered and is affiliated.
  • The business hours are long, and it is open from early morning / morning (6 am-10am) to midnight (0:3-XNUMXpm).
  • There are few holidays.Or, it is open all year round except for maintenance days.

Health landIn comparison with, there are the following tendencies.

  • The bathing fee is set low.Compared to ordinary public baths, additional charges such as sauna usage fees are added, and the bathing fee is often set at 700-800 yen (similar facilities with bathing fees up to about 1000 yen are generally called super public baths. ).
  • TowelRental of such items is often charged separately, and in-house clothes such as those found in Kenko Land are usually not available.
  • Depending on the area / store,shampoo,石 鹸Some stores do not have such facilities.This tendency can be seen especially in low-priced stores.
  • There are few facilities that are open 24 hours a day (some are open all night from midnight to early morning).
  • It can be said that Kenko Land is a facility that assumes a long stay, where you spend a whole day from half a day, and Super Sento is a facility that assumes a stay that is relatively shorter (about 2-3 hours) than Kenko Land.

Major entrants

Since the barriers to new entry into super public baths are low, entry from various industries can be seen.AlsoGokurakuyuSome companies, like this, only manage super public baths.The (F) mark in the operating facility name column isFranchise.

Transportation business
IndustryCompany nameOperating facility nameRemarks
Railway businessKeisei Electric RailwayLaughing hot waterOperated by the group company community Keisei.
Keikyu CorporationMiurayuGroup companyKeikyu DevelopmentOperated by.
Keio Electric RailwayKeio Mt. Takaosan Onsen Gokurakuyu(F)Group companyKeio equipment serviceOperated by,GokurakuyuFranchise facility.
Fuji ExpressFujiyama hot springFujikyu HighlandAnnexed to.
Operated by the group company "Fuji-Q Highland Co., Ltd."
Sagamiko Onsen UruriSagami Lake Resort Pleasure ForestAnnexed to.
Operated by a group company, Sagamiko Resort.
Nagoya RailwayGroup companyMeitetsu ImpressOperated by.
JR HokkaidoGokurakuyu(F)Operated by group company Hokkaido JR Foods.
Seibu RailwaySeibu Chichibu Ekimae Onsen Festival Hot SpringOperated by Seibu Recreation, a group company.
Toshimaen NiwanoyuGroup company "Co., Ltd." Seibuen YuenchiIs operated.
Bus businessHokkaido Central BusYu Megokochi Nango no Yu
Kanagawa Central TransportationHot water refreshing(F)Operated by Kananaka Sports Design, a group company.
Real estate / construction industry
IndustryCompany nameOperating facility nameRemarks
real estate businessTokyu real estateKohoku Natural Hot Spring Relaxing COcoGroup companyTokyu Sports OasisOperated by.
Former name "Kohoku Natural Hot Spring Spa Gardish" (changed to the current name in 2018)
Tokyo buildingKing of bathOperated by a group company, Tokyo Tatemono Resort.
Sanfuji PlanningYuraku no Sato
Operated by the group company Spa San Fuji.
Central urban developmentYukemuri no Sho
Yukemuri no Sato
Construction industryNakashiroRaku no Yu
Kamei Kogyo HoldingsHot water refreshing
Annex constructionTakatsuki Betsuin Yumemi no SatoOperated by the group company Bell Wood Life Service.
Meiki ConstructionNatural hot spring YuzukiOperated by the group company Profesy.
Hashimoto ConstructionNatural hot spring YunohanaOperated by the group company Earth Cure.
Electricity business
Company nameOperating facility nameRemarks
Kyushu Electric PowerYuami no SatoOperated by group company Kuken.
China Electric PowerNatural hot spring HonoyuOperated by a group company.
On October 2015, 10, a Chinese company (changed to the current company name on April 1, 2017)Energia Real EstateMerged.
Hokkaido Electric PowerYudokoro Hana YuzukiOperated by Hokuden Kogyo, a group company.
Entertainment and amusement facility management
IndustryCompany nameOperating facility nameRemarks
Super public bath operationOedo hot spring storyOedo hot spring story
Sendai Corona no Yu (F)
In addition, we also operate hotels and inns.
SanrikKenbi no Yu
Spa & Fitness Kenbi
Nanakodai Onsen(Chiba)
In addition, Ashikaga Kenko Land is also operated.
HolidayAkane no Yu
Leisure facilitiesManagementOakland Kanko KaihakuRyusenji no Yu
Iwata Nanatsuboshi(Shizuoka)
Natural hot spring Kimori no Yu(Iwate)
In addition to these, "Suomi no Yu" was once available,
All stores are closed.
Tokyo DomeLaQua
pachinkoStore managementJapan New AlphaYuka Raku[Note 1][Note 2]Operated by group company Riraful[Note 3].
Noda EnterpriseNobeha no Yu
Amusement facilityManagementコ ロ ナCorona hot water
Karaoke boxManagementKoshidaka HoldingsManeki no YuThe purchase is shared with the "Maneki Neko" in the group.
Movie theaterManagementTokyo RakutenRakuten local natural hot springs
Fitness club managementINSPAINSPAFrom September 2016, 9, "Rocks Co., Ltd." to "Co., Ltd."
Business succession to "INSPA".
Manufacturing industry
IndustryCompany nameOperating facility nameRemarks
Soy sauce製造Shigeta soy sauceIruma no Yu
ClothesManufacturerGunzeYunokaroGunze Town Center TsukashinAnnexed to.
Operated by Tsukashin Town Create, a group company.
Retail trade
Company nameIndustryOperating facility nameRemarks
Tsukasadiscount storeKohoku no Yu
Japan JumboPhoto shopManyo no Yu
Manyo Club
Group companyManyo ClubOperated by.
Tsuchiya CorporationOil sales[Note 4]
Mobile phone sales[Note 5]
Horai no Yu
Shofu no YuNishiyaizu StationNear (Shizuoka Prefecture)Kachigawa StationLocated near (Aichi Prefecture).
Shochiku Onsen Tenfu no Yu(Aichi)Transferred from Nakanihon Kogyo to Tsuchiya Corporation on January 2017, 1.

Past entrants

IndustryCompany nameOperating facility nameRemarks
real estate businessSotetsu Real Estate SalesYumemi-dokoro Kokochiyu2014ToTokyo buildingTo the group Hotness Co., Ltd. (currently Tokyo Building Resort Co., Ltd.)
Transferred, all storesKing of bathConverted to a chain.
Yamato systemYamato no YuThe business was transferred to Yukai Seikatsu due to the company split, but it was closed in March 2015.
Mitsui FudosanLaLaport no Yu TokiwadenGroup companyMitsui Fudosan Hotel ManagementWas operated, but closed in 2007.
Construction industryRaymond integrated designNoda no Yu YushokukanSubsidiaryRaymond CorporationWas operated by, but closed in 2010.
Electricity businessChubu Electric Power葵湯Group companyChuden Real EstateIt was run by a subsidiary, Kirai Yu.
After that, it withdrew due to the sale of its operating subsidiary in April 2009 (the facility continues).
TEPCOIkoi no Yu
Gokurakuyu (F)
Group companyToden Real EstateWas operated, but withdrew in 2010[14](The facility will continue).
Movie theater managementCentral Japan IndustrialTaihei Onsen Tenfu no YuOnce a subsidiaryNakanihon ShojiWas operated, and then became directly managed by Nakanihon Kogyo due to an absorption-type merger.
However, it will be closed on December 2017, 12.


[How to use footnotes]

注 釈

  1. ^ To Riraful Co., Ltd.TransferRenewed store: "Natural Hot Spring Yukaraku Atsugi Store" (formerly Atsugi Natural Hot Spring Honoka * Renamed in January 2011), "Kitamoto Natural Hot Spring Yukaraku Kitamoto Store" (formerly Kitamoto Natural Hot Spring Rakuichi Rakuyu * Renamed in January 2013)
  2. ^ Yukaraku Hadano store was initially "HyperI used to call myself a public bath[13].
  3. ^ In addition to the super public bath, Kenko Land "JN family(Closed at the end of 2021).
  4. ^ Cosmo OilDealer.
  5. ^ Softbank shopManagement.


  1. ^ a b Wataru Shiraishi (September 2007, 9). “Super public bath, all-you-can-eat sauna "origin" "value for money" boom: Nagoya special run corps". CHUNICHI WebChunichi Shimbun. As of April 2013, 4オ リ ジ ナ ルMore archives.2013th of February 4Browse.
  2. ^ a b Hot bath oldest controversy (3) Super public bath Where is Japan's first super public bath?[Broken link](Yuppon Navi: Hot Bath Interesting Information Column 2011May 5)
  3. ^ a b Origin of super public bath(Bath this and that Part II 2011May 8)
  4. ^ a b Super sento[Broken link](Onsen Club: Encyclopedia of hot springs and bedrock baths)
  5. ^ Why the rush of super public baths happened(Shuichi Nishikawa, PRESIDENT published in September 2009, 9 issue / Nippon Management Summit 14May 1)
  6. ^ How old is it OK to have a mixed bathing in a public bath that approaches that standard !?(Excite News: Excite Bit Connecta 2007May 4)
  7. ^ Super sento(Japanese slang dictionary)
  8. ^ About low-priced super public bath/First generation super public bath[Broken link](Tamaoka design: hot bath facility)
  9. ^ Rapidly increasing super public bath(Yuji Yoshida / Flat.jp)
  10. ^ What is a super public bath?[Broken link](Let's enjoy the super public bath)
  11. ^ 30th: "Let's go to the super public bath!"(Tomiya free pocket)
  12. ^ 20 "Survey Research on the Current Situation and Prospects of Spa Services in Japan" Report (Report). Ministry of Economy, Trade and Industry. (2009-03). http://www.meti.go.jp/policy/servicepolicy/bpo/spa.pdf 2020th of February 7Browse.. 
  13. ^ Hyper public bath "Hadano Yu Karaku" event bulletin !!(Riraful Co., Ltd .: Riraful Blog September 2010, 9)
  14. ^ "Notice of withdrawal from super public bath business”. Toden Real Estate Co., Ltd. Service Division. As of October 2016, 10オ リ ジ ナ ルMore archives.2016th of February 10Browse.

Related item

外部 リンク

Search engine

Search engine(Kensaku engine,British: search engine) Is in a narrow senseインターネットInformation that exists in (Web page,Website,imageFile,Net newsEtc.)Search ProductsToFeaturesAnd thatProgram.. In the early days of the spread of the Internet, websites that provided only search functions were called search engines, but now various services have been added.Portal siteDue to the increasing popularity, websites that offer search as one of their services are no longer simply called search sites. In a broad sense, it includes all systems that search information without being limited to the Internet.

A narrowly defined search engine isRobot search engine,Directory type search engine,Meta search engineEtc. As a search engine in a broad sense, it is registered within a certain websitetextOf informationFull-text searchWith featuressoftware(Full-text search system) Etc.

The search engine issearch windowSearch is performed by inputting a keyword in a box called "." There are some that allow full-text search and some that do not. Although a search site is generally called a "search engine", strictly speaking, the search site itself is not a search engine.

Search engine (narrow sense)

Robot search engine

According to the given search formula,Web pageEtc.Search ProductsA server or system to be used. In the simplest case, the search expression is only a character string that is a keyword,AND ("Katsu", logical product),OR (“or”, logical sum)Many can be specified by combining logical conditions such as.

As one of the main features of robot type search engine,Crawler(Robot spider) is used. By this,WWWEfficiently collect a lot of information above (JapaneseCopyright lawThen you can duplicate). Large-scale search engines can search from over 80 billion pages.

The collected page information is analyzed in advance and index information (index) (Edited under Japanese copyright law).JapaneseIn languages ​​such asNatural language processingThe function affects the quality of the generated index. For this reason,MultilingualA compatible search engine will enable more accurate searches.

The order in which the search results are displayed is the most important part for the quality of the search engine. This is because if the page that the user expects cannot be displayed at the top of the search results, the user will leave. Therefore, many search engines determine the display order.algorithmIs closed to the public and competes for its performance.Search engine optimizationThe existence of vendors is also a factor that does not disclose the algorithm.GoogleIs part of that algorithmPageRankAlthough it is open to the public, again, many parts are private. In the case of Google, one part of the algorithm in the early days of its founding can be found in the paper published by the founder himself. Reference English original[1]Japanese commentary[2]

You can use the information of the update time of the web page to search for only new information and search results.CategoryThere are also movements to install unique features such as those that can be displayed in a digitized form and to optimize search results for users.

More than just a search engine that searches traditional web pages,Internet shoppingDevelopment of search engines specialized in specific fields, such as dedicated search engines, is also occasionally seen. In product search, the largest price comparison service in JapanPrice.comOr developed by a venture companyQOOPIEAnd so on. Also,Occupation search engineasCraigslistand so on. Google,Yahoo!,Info seek,Technorati,MARS FLAG,Altavista,Mooter,Alltheweb,,,Inktomi,SAGOOL,Yahoo! JAPAN (2005.10~) etc.

Directory type search engine

Built by handWeb directoryA server or system that searches inside.

High quality because it is built by handWebsiteCan be searched. Since the outline is manually entered, it is easy to find the target site from the list of search results.CategoryBecause they are divided, it is easy to find a site limited to a specific field or district.

However, there is a drawback that the number of sites to be searched cannot be increased because the sites to be searched are manually input.

In the early days (1990s) when the Internet became popular, the directory type was the mainstream, but with the explosive expansion of the WWW, virtually any website can be immediately reflected in the directory. Become impossible,It is no longer mainstream[When?]. For this reason, many directory-type search engines are combined-type, such as displaying the results using a robot-type search engine when there is no site that hits the search.[When?].

Hitachi International Business Hole-in-One (- November 2004), Yahoo! JAPANYahoo! category(- March 2018[3]),LookSmart Japan(- March 2006[4]),gooGoo Category Search for (- August 2019[5]), Open Directory ProjectDMOZ(- March 2017) etc.

Distributed search engine

P2PA search system that distributes the index of web contents to many peers through communication and shares the index of each peer across the P2P network.

Each peer crawls the web independently, and the indexer creates the RWI (Reverse Word Index). Some of the indexes created areDHTIt is distributed to other peers as (Distributed Hash Table).

The search can be performed by sending a request from the terminal of one's peer to another peer on the P2P network.

As an example of a distributed search engineYaCyThere is. YaCy advocates "people's web search for the people," and says that decentralization can prevent censorship.[6]

Meta search engine

Searching for one search word with multiple search engines is called meta search (sometimes called cross-search engine).Startpage.comEtc. are classified into this.Detail is"Meta search engine"checking.

Search engine (broad sense)

Full-text search system

From a given document group, using a search formula (keyword, etc.)Full-text searchA generic term for software and systems that provide functions,Web serverOften used by incorporating.Stand aloneSome are for personal use in the environment, especially called "desktop search".Within the companyfile server,Corporate portalThe target is "Enterprise searchIs called.


Western history

Search engine1994ToStanford University OfJerry YangとDavid FiroDeveloped byYahoo!Is[7].. Yahoo!Directory typePlayed a major role in the spread of the Internet with search engines[7].

Later, a program called a robot or crawler was developed to automatically search information on the Web and organize the information as an index.[7].. Among robot type search enginesLarry PageとSergey BrinDeveloped byGoogle searchHas jumped to the top of search engines because it excels in ranking search results and fast searches.[7].

2009ToMicrosoftAnnounces Bing as a new search engine[7].

History in Japan


The search engines that have existed since the early days of the spread of the Internet in Japan include the following. In the early days,Toyohashi University of TechnologyCreated by students in Yahho[8]AndTokyo UniversityCreated by studentsOdin,Waseda UniversityCreated by studentsclairvoyanceThose created by individual students preceded commercial (both1995Created inNippon Telegraph and Telephone CorporationOf Cyber ​​Space Japan (currentlyWeb impact) Is1994Created in). These were not only open to the public for experiments, but were used by many people, and were well known and practical for the early users. Also, like Mondou,Kyoto University) Was also created in.

Yahoo! JAPAN alone

January 1995SoftbankPurchased a portion of Yahoo! shares in the United States and localized it to the Japanese version from April of the following yearYahoo! JAPANStarted service. At the exhibition Interop in July of the same year, it was about to start as a department of Softbank with the strength of exhibiting at a small booth with about two desks lined up, but the original name of Yahoo! Increased population of Internet users in the latter half of the 7s, added robot type search that was only directory type search, cooperation with Yahoo! Internet Guide (SoftBank Creative Publishing) that introduces some websites registered, Yahoo! Japan With the news of rising stock prices, people who do not use the Internet are well known, and various positive factors and management strategies have been brilliantly solidified, and the company has become the top search site. With the ability of the search site to attract customers, it has begun to run alone as a portal site that includes services other than search services such as news and auctions.

Group of people

1997Since then, WWW (World Wide Web), the Yahoo! web directory, which was only a directory type, rapidly became obsolete. These days,infoseek,gooRobot type search engine represented byYahoo! JAPANHas adopted the goo robot search engine, and has entered an era of group division.

The rise of Google

Google 1998ActivatedGoogle searchIs a traditional search enginePortal siteIt is a simple screen that goes backwards to the trend toward specialization, specializes in original search technology, and eliminates banner advertisements.2000Its popularity with Yahoo!'s robotic search engine has rapidly increased. Someday[Needs verification]It is said to have jumped to the top of the world share of web page search. Also in Japan, using search engines such as Google and Yahoo! = "Guguru"Net slangWas born. Yahoo!, which has caused a sense of crisis in this situation,2004Robot-type search engine proprietary technology (acquired by Yahoo!InktomiWhen,OvertureAcquired byAltavista,AllthewebIntegrating technologies such as). In the same year, Ask Jeeves (currently a search engine that uses Teoma that is said to be comparable to Google and Yahoo! engines)Ask.com) Was born in Australia in 2005 as "Ask.jp"MooterEntered the Japanese market and started a search service.

Diversification of search engines

As the act of searching has become popular, search engines diversified according to various purposes have appeared. Search specialized for blog informationTechnoratiAnd specialized in searching product informationProduct search site, Search by the appearance of the siteMARS FLAG, Music search, video search, file search, uploader search, etc., new search engine is born one after another.

In addition, we manually requested a search under abstract conditions that cannot be determined by a search engine.OKWave,Human power search HatenaSuch as "human power search" "Knowledge communityA service called "" has also appeared.

In recent years, not only personal computers but also mobile phonesPortable game consoleWebsites are getting more and more popular, and mobile phones such as Google and Yahoo! have appeared and are booming.

Diversification of compatible terminals

Softbank-Yahoo! JAPAN VodafoneAcquired,KDDIThe search engine battle is intensifying in the field of mobile phones, such as the partnership with Google. The field of mobile search has long beenOfficial WebsiteSince the world called ``has been enclosed by users, it has rarely been in the limelight.

Legal risk

Deep web

Web search engines such as Google do not search many database results. Dynamic pages like thisDeep webIt is called "invisible web" or "hidden web". There are 500 times as many static pages and many are said to be free. The deep web must find a database or the like from a general search engine or the like, or directly access it and then perform a search again from each search function. Also, the search engine used when searching the dark web.AhmiaAlso exists.

Relationship with copyright

Robot search engineIn principle, content on the InternetcopyAnd save it in a form suitable for storage for search purposes, and in some casescacheMay be saved in a form that can be provided as.CopyrightTo use the website for browsingTermsThere is a site, etc. that prohibits any kind of copying, and has been a topic of discussion for a long time.[9].

In addition, in November 2006, at the 11rd Planning WG of the Content Expert Study Group of Japan's Intellectual Property Strategy HeadquartersCopyright lawAbove, duplication and editing requires permission of the right holder,Yahoo!,GoogleCurrently, the servers of major search systems are located overseas. "[10]And received thisMinistry of Economy, Trade and IndustryAnnounced that it will work on revision of the copyright law and development of search engines so that search engine services can be legally provided in Japan.[Source required], The January 2010 revision made copying legal.

There is a controversy that this is an expanded interpretation, that companies like Google did not grow up in Japan because of copyright law, and that it was the law that prevented Internet search in Japan. Seen in (Fair useAlthough it has been pointed out that there are no regulations, etc.), before this WG report, there is no story that the Internet search business was hindered by the copyright law (The rise of the Internet search engine was 2006. 10 years back from the year, in the middle of the 1990s, similar attempts were started at the same time, such as "Clairvoyance" in Japan and "AltaVista" in the US (As mentioned above, copyright is released to the shield. Certainly, there were people who argued that they refused to use the information, but there was no legal ground for ordinary thinking, such as precedent, at that time). Even the service started last century[11]Is).

The "cache" in this case means a copy for internal use of the search engine or要約(Snippet) is a duplicate to createFor the purpose of making users browse the website when it is difficult to browse the website temporarily.Archive(Also known as "cache" in Google) is still legallyGray zoneIs. In addition, the archive is not necessarily indispensable to the operation of the search engine, and if the entire website is provided as an archive, there is a risk that it will be beyond the scope of reproduction as stated in the 2010 revision of the Copyright Act.[Source required]

Various ads on search engines

2006From around that time in JapanURLA TV that displays search keywords such as company name and product name without displaying (address) and allows search engines to searchcommercialSuch asAdsExpressions are increasing rapidly. Most of the time, a search form and buttons with keywords written are displayed to encourage mouse clicks. Although the reason why such changes have occurred is unknown, the increase in the number of access is easier than the changes in advertising standards of each media and displaying URLs in commercials. However, since information that is inconvenient for the company may appear in the search results,Google eight minutesIt is possible that the search result is operated as follows.

Currently, the mainstream advertising method is to expose ads after user search results.Search-linked advertisementAnd analyze the inside of the site and deliver advertisements that match the siteContent-linked advertisementIs the mainstreamOvertureSo, we are currently promoting an action targeting advertisement called Instalet Match.

English-speaking countriesBut from around 2013 like "#wikipedia"Number signIs engaged in advertising activities.

Search engine issues and problems

Challenges of multilingualization

The so-called "ratio of the Internet population in terms of the language used" isInternet ArchiveUsingEuro MarketingとGlobal ReachSince the past monthly materials have been organized, the following trends are being followed.


1995According to the previous Internet Society, English accounted for 85% of the languages ​​used on the Internet.ITAs shown in the table above, due to the progress of2000At the end of the year, the English and non-English language populations reversed, and that trend continues.

As of February 2005, 2, Google, which is a representative WWW search engine, has registered over 2 billion 80 web pages. Search engine users tend to assume that they can easily get the information they want from over 8,058,044,651 billion web pages, but for example, it is not easy to search Japanese sites using terminals such as computers that cannot input Japanese. Absent. Similarly, searching between non-English languages ​​is difficult unless a translation engine is used in the middle.

Assuming that the multilingualization of the Internet will continue to increase, how to overcome the barriers between languages ​​can be cited as one of the issues facing future search engines.

Search engine danger

While search engines are convenient, there are also references and materials regarding the dangers and damage examples. Regarding the research report on the safety of search engines, McAfee, a security vendor that provides anti-virus software, announced on June 2007, 6, "Survey reports on the safety of search engines," saying "Search engines are dangerous. Yes, if you enter a keyword into a search engine and check the risk of sites that appear in the top, sites displayed as advertisements are 4 times as dangerous as sites that are not.”[12][13].

Also, according to a research report released on May 2006, 05, search engine keyword search results have dangerous links, so don't assume that search engines will protect you. On the contrary, search result rankings often don't reflect the safety of the site, and warn users that they are at high risk, especially when visiting search engine ads.[14].. In addition, in a survey report on the risk of search engine sites, McAfee announced the "Search Engine Safety Survey" and stated that "the most dangerous results are in Yahoo."[15].

Main search engine sites

  • Ask.com - English,Japanese.. Withdraw as the Ask.jp brand
  • Bing-MSN -Supports Japanese and other languages.
  • DuckDuckGo -English, some Japanese. Privacy-focused search engine
  • goo -Japanese. The original version is the search
  • Google -Supports Japanese and other languages.
  • Indeed -Job search only. Supports Japanese and other languages.
  • Lycos -English, Japanese, etc.
  • Qwant --Privacy-focused search engine from France
  • SPYSEE -Personal information, Japanese.
  • Startpage.com --English, some Japanese.Privacy-orientedMeta search engine.. Usability similar to Google.
  • Yahoo! JAPAN(Japanese)/ Yahoo!(English) Google is for the Japanese version, Bing is for the English version, and the original search is only part of the real time.
  • Yandex - Russian, English, etc., multilingual support.One of the web searches that does not support Japanese but has many users.
  • Baidu -Chinese. Japanese search ends
  • Everyone's voice.jp -Japanese blog search

The main search engine sites that have terminated the service



[How to use footnotes]


  1. ^ The Anatomy of a Large-Scale Hypertextual Web Search Engine(English, Sergey Brin and Lawrence Page, Computer Science Department, Stanford University)
  2. ^ Google's Search Ranking-The Algorithm
  3. ^ "To the end of "Yahoo! Category" "End role". ITmedia(July 2017, 6). http://www.itmedia.co.jp/business/articles/1706/29/news079.html 2020th of February 1Browse. 
  4. ^ Takahiro Watanabe (June 2006, 6). “Value Commerce Closes "Looksmart"”. SEM Research. 2020th of February 1Browse.
  5. ^ "Notice of end of goo category search service". goo (September 2019, 7). 2020th of February 1Browse.
  6. ^ Internet Watch article "Privacy-protected distributed search engine "YaCy"-steady development continues"
  7. ^ a b c d e Shoichi Tokimi, Izumi Tsuzuki, Natsuo Onodera, "Knowledge and Techniques for New Retrieval of Information Retrieval, 3rd Edition", Japan Society for Information Science and Technology, 2010, p. 58.
  8. ^ "3/3 There was a search engine called Yahho [Company IT utilization All About] ”. 2017th of February 10Browse.
  9. ^ For example Is Search Engine Cache Infringing?(2002.3 Slash dot・See Japan etc.
  10. ^ Issues surrounding content (reference materials) (PDF) (2006.11 Specialized content research group Planning Working Group (XNUMXrd) -Intellectual Property Strategy Headquarters)
  11. ^ http://internet.watch.impress.co.jp/www/article/2000/0803/google.htm
  12. ^ Internet ArchiveIs the advertising site appearing on search engines 2.4 times more dangerous? -Work style-nikkei BPnet
  13. ^ Internet ArchiveMcAfee Releases Third Report on "Search Engine Safety Survey Report"-Over 3 Million Searches A Month Direct Users to Dangerous Sites---McAfee, Inc.
  14. ^ ITmedia EnterpriseSearch engine full of dangerous links-McAfee reports
  15. ^ INTERNET WatchSearch engine with many dangerous search results is Yahoo!
  16. ^ OCN navi (Search Engine Registration Guide)
  17. ^ Mondou site at the time(2004.10.14 Collection,Web archive)
  18. ^ Directory service "NTT DIRECTORY" (Research and development history)(NTT)
  19. ^ Hole in One-Multimedia/Internet Encyclopedia
  20. ^ Excite acquires search directory "Hole-in-One"(1998.7 internet watch)
  21. ^ CSJ INDEX site at the time (1999.2.18 Collection, Web Archive)

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