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Cov ntaub ntawv thiab cov ntaub ntawv dab

Cov ntaub ntawv yog ib tug ntawm cov yooj yim, qhov tseem ceeb cov ntsiab lus nyob rau hauv science xws li computer science. Txawm li cas los, tej nruj me ntsis txhais nws hnub no tsis muaj nyob. Peb yuav hais tias, piv txwv li, raws li nram no: Cov ntaub ntawv yog ib phau ntawm cov ntaub ntawv hais txog cov kev tshwm sim / txheej txheem / phenomenon / lub ntiaj teb no.

Thaum lub sij hawm txoj kev kawm no peb yuav tsum tau cov ntaub ntawv, peb yuav ua kom lawv tej transformations, ces mus rau lub txoj cai raws li peb siv rau kev txiav txim siab, kev cob qhia, kev loj hlob ntawm kev tswj cwj pwm.

vaj tse ntaub ntawv

Cov ntaub ntawv peb yuav tsum tau tsis yog general, tab sis thaum lub sij hawm, tsuas yog mus nrhiav tau lawv txoj kev nyob rau hauv kev twb kev txuas nrog cov uas nrhiav tau thiab ua ib co kev txiav txim siab txog yuav ua li cas ua ntxiv lawm.

Yuav kom ntsuam xyuas lub zoo ntawm cov ntaub ntawv siv zog xws li nqi hluav taws xob tiav, cov neeg, timeliness, txaus, usability, kev ruaj ntseg, thiab clarity, objectivity.

Cov ntaub ntawv thiab cov ntaub ntawv dab

Tej yam peb ua ub no yuav tsum raug hu los ntawm cov ntaub ntawv sau thiab ua txheej txheem. Peb paub los ntawm lawv cov tsis totaub thiab khw muag khoom noj thiab dab nws lub hlwb nyob rau hauv tus txheej txheem ntawm hauj lwm ntawm lub hauv paus poob siab system.

Cov ntaub ntawv yog hais raws li ib tug txheej ntawm kev ua tau nyob rau hauv ib lub ib theem zuj zus, uas peb tsim rau cov muaj ntaub ntawv. Lub hom phiaj ntawm no - nws yog kom tau ib tug tshwm sim, ces mus rau nws siv ua cas. Hauv qab no peb xaiv, dab tsi yog qhov yooj yim ntaub ntawv dab.

Cov ntaub ntawv thiab cov ntaub ntawv dab: nrhiav

Nrhiav yog ib tug txheej txheem ntawm retrieving muab cov ntaub ntawv. Thaum no hu yuav siv tau txoj kev xws li saib, nyeem, nyob sib tham, browsing, mloog, qhov kev thov mus nrhiav systems, databases , thiab lwm yam ..

Cov ntaub ntawv thiab cov ntaub ntawv dab: sau thiab cia

Tus heev sau ntawm cov ntaub ntawv - qhov no tsis yog ib qho kawg nyob rau hauv nws tus kheej. Nyob rau hauv thiaj li yuav tiv tauj cov ntaub ntawv yuav tsum siv, nyob rau ntau yam, yuav tsum tau ib tug txheej txheem xws li khaws cia.

Cia ntawm cov ntaub ntawv - qhov no yog txoj kev nyob rau hauv cov ntaub ntawv uas yog disseminated nyob rau hauv lub sij hawm thiab qhov chaw. Nws nyob rau ntawm cov xov xwm, uas nws lub luag hauj lwm yuav ua si ib phau ntawv nyob rau hauv cov tsev qiv ntawv, ib daim duab nyob rau hauv ib tug album, cov duab nyob rau hauv lub gallery. Khoos phib tawj pab kiag li lawm yog tsim tsis tsuas mus rau lub khw muag khoom cov ntaub ntawv cog lus ntawm, tab sis kuj nyob rau hauv thiaj li yuav tau ceev nkag tau mus rau lawv.

Cov ntaub ntawv thiab cov ntaub ntawv dab: lub hloov lwm lub tsev

Qhov no txoj kev yuav:

1. Qhov chaw ntawm cov ntaub ntawv - cov no yog cov ntsiab ntawm lub ntiaj teb no nyob ib ncig ntawm peb, lub ntsiab lus uas peb ua thiab raug mus rau ntau yam transformations.

2. Cov ntaub ntawv tau txais kev pab - peb yog nrog koj. Peb haus cov ntaub ntawv thiab siv nyob rau hauv lawv cov kev xav tau.

3. Cov kev sib txuas lus channel - qhov no yog cov ntaub ntawv uas cov cab kuj (kev los yog lwm yam ntaus ntawv) uas captures txhua tus sau cov ntaub ntawv rau coj lawv los ntawm lub qhov mus rau lub neeg.

Cov ntaub ntawv thiab cov ntaub ntawv dab:

Ua ntej koj yuav siv lub uas yuav tsum tau ntaub ntawv, lawv tseem yuav tsum tau.

Cov ntaub ntawv ua - ib tug txheej txheem uas tso cai rau koj kom tau txais cov lus tshiab qhia rau lub hauv paus ntawm twb muaj. Qhov no yog vim lub hloov dua siab tshiab tej zaum yuav yog cov ntsiab lus ntawm tus tau txais cov ntaub ntawv thiab nrog rau hauv daim ntawv nyob rau hauv cov ntaub ntawv uas muaj nyob los ntawm thaum pib. Nyob rau hauv lub caij nyoog kawg no, ib tug yuav hais lus ntawm qhov coding, piv txwv li, cov neeg txhais lus ntawm cov Lavxias teb sab ntawv nyeem rau hauv ib tug txawv teb chaws lus.

Nrhiav nyob rau hauv lub array ntawm ntaub ntawv tsim nyog (piv txwv li, tus xov tooj nyob rau hauv lub database), nws ordering (piv txwv li, kev teem sij hawm, daim ntawv teev) - lawv yog cov tseem ces txoj kev kho mob. Zauv, muab kho dua cov ntawv nyeem, zajlus kom inferences (xaus) - nws tseem yog ib cov piv txwv ntawm cov transformation ntawm nyoos cov ntaub ntawv cov txheej txheem rau peb tus kheej xav tau kev pab.

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