Cov txheej txheem:

Nrhiav cav hauv Java yog dab tsi?
Nrhiav cav hauv Java yog dab tsi?

Video: Nrhiav cav hauv Java yog dab tsi?

Video: Nrhiav cav hauv Java yog dab tsi?
Video: Vaajtswv Lub Tebchaws/The Kingdom Of God - Nyaj Xuv Xyooj 2024, Hlis ntuj nqeg
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Lucene yog lub canonical Java search engine . Txhawm rau ntxiv cov ntaub ntawv los ntawm ntau qhov chaw, saib Apache Tika thiab rau lub kaw lus puv nrog kev pabcuam / web interfaces, solr. Lucene tso cai rau arbitrary metadata cuam tshuam nrog nws cov ntaub ntawv. Tika yuav txiav cov metadata los ntawm ntau hom ntawv.

Ua raws li qhov xav tau, lub tshuab tshawb nrhiav ua haujlwm li cas ib kauj ruam?

Yuav Ua Li Cas Tshawb Nrhiav Cav Ua Haujlwm Siv 3 Kauj Ruam Txheej Txheem

  1. Web Crawling. Qhov no yog qhov txhais tau tias los ntawm kev tshawb fawb xyaw tuaj yeem nrhiav pom dab tsi tau tshaj tawm hauv World Wide Web.
  2. Indexing. Thaum ib tus kab laug sab tau nkag mus rau nplooj ntawv web, cov ntawv luam uas tau tsim rov qab mus rau lub tshuab tshawb nrhiav thiab khaws cia rau hauv ib lub chaw khaws ntaub ntawv.
  3. Lub Algorithm.

Kuj Paub, Kuv tuaj yeem tsim lub tshuab tshawb nrhiav li cas? Tsim lub tshuab tshawb nrhiav

  1. Los ntawm Google Custom Search homepage, nyem Tsim ib lub tshuab tshawb nrhiav kev cai lossis Kev Tshawb Fawb Tshiab.
  2. Hauv Cov Chaw Tshawb Nrhiav, ntaus ib lossis ntau qhov chaw koj xav kom suav nrog hauv cov txiaj ntsig tshawb.
  3. Hauv lub npe ntawm lub tshuab tshawb nrhiav, sau ib lub npe txhawm rau txheeb xyuas koj lub tshuab tshawb nrhiav.
  4. Thaum koj npaj txhij, nyem Tsim.

Dhau li ntawd, koj txhais li cas los ntawm kev tshawb fawb cav?

A nrhiav cav yog software, feem ntau nkag rau hauv Internet, uas tshawb nrhiav ib tug database ntawm cov ntaub ntawv raws li tus neeg siv cov lus nug. Cov cav muab cov npe ntawm cov txiaj ntsig zoo tshaj plaws uas tus neeg siv tau sim nrhiav. Lwm yam nrov nrhiav cav suav nrog AOL, Ask.com, Baidu, Bing, thiab Yahoo.

Dab tsi yog 3 hom kev tshawb nrhiav cav?

Muaj 3 feem ntau paub hom kev tshawb nrhiav cav uas tau raug txheeb xyuas nyob rau hauv ntau yam kev tshawb fawb tej yaam num: navigational, ntaub ntawv thiab kev lag luam.

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