vctr dtbs, vctr str r vctr srch ngn s dtbs tht cn str vctrs (fxd-lngth lsts f nmbrs) lng wth thr dt tms. Vctr dtbss typclly mplmnt n r mr pprxmt Nrst Nghbr lgrthms, s tht n cn srch th dtbs wth qry vctr t rtrv th clsst mtchng dtbs rcrds.
Vctrs r mthmtcl rprsnttns f dt n hgh-dmnsnl spc. n ths spc, ch dmnsn crrspnds t ftr f th dt, wth th nmbr f dmnsns rngng frm fw hndrd t tns f thsnds, dpndng n th cmplxty f th dt bng rprsntd. vctr's pstn n ths spc rprsnts ts chrctrstcs. Wrds, phrss, r ntr dcmnts, s wll s mgs, d, nd thr typs f dt, cn ll b vctrzd.
Ths ftr vctrs my b cmptd frm th rw dt sng mchn lrnng mthds sch s ftr xtrctn lgrthms, wrd mbddngs r dp lrnng ntwrks. Th gl s tht smntclly smlr dt tms rcv ftr vctrs cls t ch thr.
Vctr dtbss cn b sd fr smlrty srch, smntc srch, mlt-mdl srch, rcmmndtns ngns, lrg lngg mdls (LLMs), bjct dtctn, tc.
Vctr dtbss r ls ftn sd t mplmnt rtrvl-gmntd gnrtn (RG), mthd t mprv dmn-spcfc rspnss f lrg lngg mdls. Th rtrvl cmpnnt f RG cn b ny srch systm, bt s mst ftn mplmntd s vctr dtbs. Txt dcmnts dscrbng th dmn f ntrst r cllctd, nd fr ch dcmnt r dcmnt sctn, ftr vctr (knwn s n "mbddng") s cmptd, typclly sng dp lrnng ntwrk, nd strd n vctr dtbs. Gvn sr prmpt, th ftr vctr f th prmpt s cmptd, nd th dtbs s qrd t rtrv th mst rlvnt dcmnts. Ths r thn tmtclly ddd nt th cntxt wndw f th lrg lngg mdl, nd th lrg lngg mdl prcds t crt rspns t th prmpt gvn ths cntxt.