Video: Dab tsi yog qhov system retrieval hauv tsev qiv ntawv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov ntaub ntawv Retrieval system yog ib feem thiab parcel ntawm kev sib txuas lus qhov system . Lub sij hawm Cov ntaub ntawv rov qab thawj zaug qhia los ntawm Calvin Mooers hauv 1951. Lus txhais: Cov ntaub ntawv rov qab yog txoj haujlwm ntawm kev tau txais cov ntaub ntawv cov kev pab cuam cuam tshuam rau ib cov ntaub ntawv xav tau los ntawm ib phau ntawm cov ntaub ntawv peev txheej.
Xav txog qhov no, txhais li cas los ntawm cov ntaub ntawv rov qab qhov system?
Los ntawm Wikipedia, dawb encyclopedia. Cov ntaub ntawv rov qab (IR) yog cov haujlwm ntawm kev tau txais cov ntaub ntawv system cov ntaub ntawv uas yog muaj feem rau ib cov ntaub ntawv xav tau los ntawm kev sau cov peev txheej ntawd. Nrhiav ua tau ua raws li cov ntawv sau puv lossis lwm cov ntsiab lus raws li kev ntsuas.
Tsis tas li ntawd, dab tsi yog cov ntsiab lus ntawm cov ntaub ntawv khaws tseg? Cov cov ntaub ntawv retrieval system kuj yog ua los ntawm ob cov khoom : kev indexing qhov system thiab cov lus nug qhov system.
Nyob rau hauv no, dab tsi yog lub luag haujlwm ntawm cov ntaub ntawv retrieval system?
Cov ntaub ntawv retrieval (IR) cuam tshuam nrog tus sawv cev, khaws cia , koom haum ntawm, thiab nkag mus rau cov ntaub ntawv cov khoom. ? Kev sawv cev thiab koom haum ntawm cov khoom siv ntaub ntawv yuav tsum muab cov neeg siv yooj yim nkag mus rau cov ntaub ntawv uas nws nyiam.
Cov cuab yeej rov qab yog dab tsi?
Cov cuab yeej rov qab tau yog qhov tseem ceeb rau khaws cia cov ntaub ntawv rau cov txiaj ntsig kev kawm. Nws piav ntxiv txog qhov cuab yeej suav nrog; Cov phau ntawv teev npe, cov ntawv txheeb xyuas thiab cov ntawv nyeem, cov ntawv teev lus, cov ntaub ntawv hauv computer lossis cov vev xaib, cov ntsiab lus ntsuas, cov npe ntsuas, cov ntawv qhia, OPAC, CD-ROMS, online databases, internet search engines, thiab lwm yam.
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