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Paring le parser ke eng

Paring le parser ke eng e khahla batho ba bangata. Ho bapatsa ho lokela ho utloisisoa joalo ka ts'ebetso eo tokomane e itseng e hlahlojoang ho latela pono ea mantsoe le syntax. Parser (syntactic analyzer) - karolo ea lenaneo le ikarabellang bakeng sa ho ithuta litaba ka mokhoa o iketsang le ho fumana likhechana tse hlokahalang.

Ho etsetsoa eng?

Ho bala ho u lumella ho sebetsana le tlhaiso-leseling e ngata ka nako e khuts'oane haholo. Sena se bolela tlhahlobo e hlophisitsoeng ea data e ngotsoeng maqepheng a inthanete. Kahoo, ho hlophisa ho sebetsa hantle haholo ho feta mosebetsi oa matsoho o hlokang nako e ngata le boiteko.

Bafani ba na le bokhoni bo latelang:

  • Ho nchafatsa data, ho u lumella ho ba le tlhaiso-leseling ea morao-rao (litefiso tsa phapanyetsano, litaba, boemo ba leholimo).
  • Ho bokelloa le ho kopitsoa hang-hang ha lisebelisoa tse tsoang libakeng tse ling hore li bontšoe morerong oa hau oa inthanete. Lintho tse fumanoeng ka ho hlophisoa hangata li ngoloa bocha.
  • Ho hokahanya melapo ea data. Boitsebiso bo bongata bo fumanoa mehloling e fapaneng, e leng bonolo haholo ha u tlatsa libaka tsa litaba.
  • Ho koetela ho potlakisa mosebetsi haholo ka mantsoe a bohlokoa kapa lipoleloana. Ka lebaka la sena, ho a khonahala ho khetha kapele likopo tse hlokahalang bakeng sa ho ntšetsa pele morero.

Mefuta ea Parser

Ho fumana tlhaiso-leseling inthaneteng ke mokhoa o thata haholo, o tloahelehileng hape ke oa nako e telele. Bafani ka letsatsi feela ba khona ho sebetsana, ho iketsetsa le ho hlophisa karolo ea tau ea lisebelisoa tsa webo ho batla tlhaiso-leseling e hlokahalang.

Parsing eu lumella ho laola ho ikhethang ha lingoloa ka ho nyalanya kapele le ka nepo likahare tsa likete tsa maqephe a inthanete le sengoloa se fanoeng.

Kajeno, o ka khoasolla kapa oa reka mananeo a mangata a sebetsang hantle, ho kenyeletsoa Import.io, Webhose.io, Scrapinghub, ParseHub, Spinn3r le tse ling.

Setsebi sa maqephe ke eng

Setsi sa sebaka sa marang-rang se etsoa ho latela lenaneo le kentsoeng, ho bapisa mantsoe a kopaneng a itseng le a fumanoeng webong.

Mokhoa oa ho sebetsa le tlhaiso-leseling e fumanoeng o ngotsoe molaong oa taelo o bitsoang "polelo e tloaelehileng". E thehiloe ka matšoao mme e hlophisa molao-motheo oa ho batla.

Mohlophisi oa sebaka sa marang-rang o feta mekhahlelo e mengata:

  • Ho batlana le tlhaiso-leseling e hlokahalang phetolelong ea mantlha: ho fihlella khoutu ea sebaka sa marang-rang, ho jarolla, ho jarolla.
  • Ho fumana mesebetsi ho tsoa khoutu ea leqephe la webo, ka ho ntša lisebelisoa tse hlokahalang ho tsoa khoutu ea lenaneo la leqephe.
  • Tlhahiso ea tlaleho ho latela litlhokahalo tse behiloeng (ho rekota leseli ka kotloloho ho database, lingoloa).

Shebella video: Lecture 6: Dependency Parsing (June 2025).

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