Metasearch Systems: misalai, da aiki da manufa

The Internet ne har yanzu kamar wata shekarun da suka gabata da suka wuce, kawai kunno kai a mafi cigaban kasashe, yanzu lokaci ne tasowa stretelnymi taki, da kome m. Kowace rana da adadin bayanai a shi ne na girma dabam dabam, dake wakiltar wani da kuzari m bayanai. Babu shakka, irin wannan taro na bayanai da ka bukatar ko ta yaya sarrafa. Tare da wannan manufa a cikin lokaci, an shiga search injuna. Amma a lokacin za a magance dukan girma na bayanai, kullum shigowa cibiyar sadarwa ne ba su iya wani search engine. Musamman idan muka yi la'akari da bambanci a search engine lissafi mai tsauri. Bayan da tambayar wani request ga daban-daban search engines, ko da daidai da juna a kan sansanonin, mai amfani zai iya samun sosai daban-daban sakamakon. Saboda haka ya zama dole don inganta data kasance tsarin. Amfani da tari na da sakamakon, mafi cigaban da SS sun aiwatar a software, ƙarin albarkatun - metasearch tsarin.

Abin da ya aikata metasearch

A Internet yanayi kira metasearch inji m aiwatar da mai amfani da bukatar da sakamakon da ya fi rare search injuna. A wasu kalmomin, da ke dubawa shi ne ba daban-daban daga cewa daga cikin saba search engine. Amma a lokacin da ta ke ba wani takamaiman bukatar, ba ta yi amfani da albarkatun da kuma turawa da bukatar zuwa manyan search engines, kuma a sakamakon mai amfani gani jerin sakamakon daga hade databases na daban-daban search injuna. A wannan yanayin, domin saukaka amfani da irin wannan search ne gaba daya cire duk Kwafin links, wanda taimaka don inganta sakamakon data fitarwa.

abũbuwan amfãni

A mafi muhimmanci amfani, wanda zai iya gadara da wani metasearch tsarin, shi ne da ikon na wani dan gajeren lokaci ba tare da wani karin kokarin samun sakamakon da daban-daban search injuna ba tare da kwafi na nassoshi. Amfani daya kawai shirin ga structuring na bayanai, za ka iya samun mai fadi da kewayon sakamakon daga daban-daban kafofin ba tare da bukatar yin amfani da mahara saman listings.

Mutane da yawa masu amfani sukan fuskanci irin wannan matsala cewa wasu rare bayanai, takardu, ko shirye-shiryen za a iya gani a daya search engine, kuma gaba daya ba ya nan a wasu. Saboda haka, mutum ya fara amfani da wadanda wanda ya, a gaskiya, sami wani m bayanai. Kuma sake fuskantar irin wannan matsala. Shi ne wani request domin zaba search engine bai sãmi, amma shi ne nuna a cikin tsufa, waɗanda ba su rayu har zuwa tsammanin. Yana da wannan shortcoming da kuma bayar da wani bayani a hakikanin rai metasearch tsarin, bada masu amfani da mafi daidaita sakamakon.

shortcomings

All metasearch shortcomings kara daga da abũbuwan amfãni, kamar yadda su ma'ana ci gaba. A da kansa index database metasearch ba kamar yadda irin wannan, don haka da URL kuma ƙara nasu shafukan to shi ne ba zai yiwu ba. Wani, wajen muhimmanci hasara ne quite zaran jerin syntactic fasali, cewa shi ne quite wuya ta samar da wani ci-gaba bayanai gyara.

Yafi amfani ga ashirin daban-daban data gyara da kuma tsarin, da sauƙi, su ci-gaba search zabin bambanta. Hakika, a lokacin akwai riga metasearch tsarin, ɓullo a kan tushen da sabon makaranta. Sun yi la'akari da duk da bambance-bambance tsakanin PS kuma, sabili da haka, yana da mafi m search fasali. Amma yayin da wannan tsarin ne kananan, don haka batun da ya rage warware matsalar.

jinsunan

Kafin mu ci gaba da yi la'akari da ayyuka na wadannan tsarin, shi ne ya kamata a lura da cewa akwai bambance-bambance a cikin irin wannan bincike. The classic irin tattauna a sama da kuma kahu a kan gaskiyar cewa SS iyawa fihirisa na sauran search engines, sa'an nan watsa da bayanai zuwa mai amfani, an dauke da ya fi na kowa, kuma rare. Amma shan la'akari da inganta da kuma canje-canje ga wadannan albarkatun akwai kuma wasu irin meta-search tsarin.

Daya daga cikin mafi mashahuri a lokacin ne wani hali a cikin abin da bayani a kan sakamakon da tambaya ne immersed a cikin firam, da kuma dukan bayanai ne a cikin daya metastranitsy. Ya kamata a lura da cewa kowane firam a cikin wannan harka ta ƙunshi asali search engine page da aka zaba manufa. A wasu lokuta, shi yayi kamar wata pages, dangane da yawan PS mai amfani.

Har ila yau mashahuri ne da zabin "Duk a daya search." Wannan ne, mai amfani bude wani search form, ta wajen wanda ya iya amfani da wani Unlimited yawan daban-daban search injuna. Amma ta hanyar yin request, shi ne kawai zai iya koma zuwa daya zaba. A wasu kalmomin, wata search - wani search engine. Yana ba kamar yadda ya dace, alal misali, a cikin classic version.

Mafi na kowa meta-search engines

Daga cikin irin wannan tsarin da mafi m classic dandamali ya Vivisimo metasearch tsarin. Yana tsiwirwirinsu zuwa miliyan goma sha biyu musamman baƙi da watan. Amma shi ne ya kamata a lura da cewa shahararsa ba ya nufin wani m tabbaci na ingancin da kuma ta'aziyya na amfani da hanya.

tsohon makaranta

A lokacin, akwai mutane da yawa gargajiya metapoiskovikov. Dukan su da wani dogon tarihi na halitta, ci gaba da kuma zama. A aikace, kowane daga cikin wadannan tsarin yana da guda aiki manufa, saboda haka, za mu bi da su dabam ba da ma'ana.

Saboda haka, tunanin da classic metasearch tsarin, wanda ya dubi jerin kamar haka:

• http://www.dogpile.com,
• http://www.metacrawler.com,
• http://www.search.com,
• http://www.vivissimo.com.

Kuma kula IxQuick, MetaEureka, ZapMeta, WebCrawler da WindSeek.

Babban bambancin - ne ke dubawa. Saboda haka, a zabi mafi kyau daga gare su akwai quite wuya, domin kowane mai amfani sami hanya, dangane da nasu fifiko. Kamar kokarin aiki da kaina tare da kowane daga cikin wadannan tsarin, za ka iya ganin abin da daya hadu da dukan bukatun da a layi tare da tsammanin.

sabon makaranta

A lokacin, halitta a metasearch tsarin mabanbanta irin abin da ake kira "sabon makaranta". Babban bambancin daga classic - da amfani da taruwa. A zahiri da aiwatar faruwa a daban-daban siffofin. Yawanci, shi ya dubi kamar atomatik kasafi na key kalmomi da phrases da kara bayanai a cikin girgije, kuma a kaikaice a kan mai amfani ta request. A allon nuni da ƙarin keys, wanda za ka iya tata your search da kuma yin shi more tsallaka mayar da hankali. A wasu kalmomin, da metasearch bibliographic tsarin bayar da zabin yin wani request mafi tsallaka mayar da hankali, haka takaita ikon yinsa, na bayanai gyara da kuma taimaka wa mai amfani a sami zama dole data zuwa gare shi.

Bugu da kari, da sabon-tsara tsarin ba da damar mafi pronounced aikin fitar da sakamakon. A wasu kalmomin, da suka yi amfani da abin da ake kira search dabarun, watau. E. The mai amfani iya daidaita da saituna idan ya cancanta.

Na wani sabon ƙarni zuwa metasearch tsarin sun hada da: Clusty, Kartoo, Mooter, Izito, WebClust da iBoogie.

Duk da cewa batun shi ne batun bayarwa search martaba da kuma nazarin metasearch. Wannan ya faru da zaran tsarin na'am da sakamakon dukan tsari - atomatik. Resource mukamansu duk bayanin data samu. Bugu da ari kara maimaita bincike, babban rarrabẽwa wadda shi ne yanayin a duk search dispensing aka gyara, da ya hada da dukkan kama da data samu a wani musamman search engine ko wasu MS.

search shafukan

Bugu da kari zuwa cikakken fledged search engine, akwai kuma metastranitsy, sau da yawa ake kira "duk a daya". Su ne sosai kama da PS, amma har yanzu wadanda suke ba a cikin dũkiyarsu. Mun yi a baya sake nazari yawa metasearch tsarin, misalai shafukan halitta a cikin kama: iTools, AllSearches, AdClick.ru da Searchalot. Duk da kasawarmu, a matsayin substation, har yanzu da yawa masu amfani fi son yin amfani da bincika wadannan albarkatun. A gaskiya, shi ne ba abin mamaki ba ne, tun da page data ne sosai kama da aiki da kuma aiwatar da wannan fasali da suke da samuwa, misali, a iBoogie.

binciken

A halin yanzu, akwai daruruwan albarkatun wakiltar metasearch tsarin. Internet da aka tasowa a wata azumi taki a kowace shekara. Game da mutum zabi, shi ne sau da yawa ya dogara a kan kayadadden dalilai, kamar wani m kewayon launuka, ko gaban dadi amfani dubawa. Shi ne ya kamata a lura da cewa wasu metapoiskoviki asali kafa unsuccessfully, su aiki ne ba su iya inganta search, da kuma a wasu lokuta ma exacerbate tsari. A wannan connection, shi ne mafi kyau ga mai amfani don zaɓar da ya dace hanya kanta.

Babu shakka, da kasashen yammacin search engines sun fi mayar da tsẽre gida, da kuma mutane da yawa amfani da shi a matsayin kayan aiki a cikin search. Amma ba damuwa da inganci da amfani da Rambler da yandex ba zai yiwu ba. Wadannan metapoiskoviki mãdalla da aiki tare da su da aiki da kuma taimaka a sami kyakkyawan sakamako ko da ga hadaddun da m buƙatun. Ina kuma so domin jawo hankali ga Nigma.rf. Ita ce ta fara bayyana a kan expanses na Rasha Internet a matsayin wani na fasaha tsarin for metasearch. Har ila yau a wannan lokaci da tsarin da aka samun shahararsa domin gudanar da bincike a kan social networks kira yoname.com.

A cikin wani hali, da bayanai search amfani metasearch tsarin yafi tasiri amfani da daban-daban na gargajiya PS. Bayan duk, su wakiltar mai yawa fiye da sakamakon da rufe mafi yawan bayanai a cikin cibiyar sadarwa database. Kuma ba yadda za sauri girma adadin abun ciki a kan Internet, irin tsarin zai zama sosai m ga al'ada aiki na yanar gizo.