Reseau neuronal graphique
Reseau neuronal graphique (GNNs) ay model lañu yuy jàng ci done yuñ defaree graphique - node yuñ boole ci boor yi - ci joxe ak dajale xibaar ci diggante dëkkandoo yi.
Résumé
They matter because much of the real world is relational: social networks, molecules, road maps, and recommendation systems are all graphs that grids and sequences cannot naturally represent.
Plongeur bu xóot
GNN dafay dox ci joxe mesaas. Node bu nekk dafay tàmbali ci vecteur bu am màndarga, ci layer bu nekk node bu nekk dafay dajale mesaas yu bawoo ci dëkkandoo yi, daal di leen boole ak fonction permutation-invariante bu melni somme, moyenne, wala max, ba noppi yeesal representation boppam. Stacking L layers dafay may xibaar bi mu tasaare L hops ci graph bi, suko defee embedding bu mujj bi ci node bi dafay wane dekkandoom yu gëna yaatu, te baña yam ci lëkkaloo yi ci saasi. Variante yi wuute nañu ci ni ñuy boolee: Reseau Convolutionnel Graph yi dañuy jëfandikoo moyenne de dëkkandoo yu normalisé, misaali GraphSAGE ak boole limu dëkkandoo yi ngir mëna escaleer, ak Reseau Attention Graph yi jàng poid yi suko defee node bi gëna topp dëkkandoo yu am solo yi. Node biñ jàng, boor bi, wala graf bi yépp dafay dundal xeetu xaaj bi, regresioŋ bi, wala boppu lëkkalekaay biy wax luy waaja am.
Gis-gis xarala
Màndarga biy màndargaal mooy permutation invariance: graphe amul benn node bumu àndal, kon jéego agrégation bi dafa wara joxe benn resultaa bi ak ni ñu lim dëkkandoo yi - kon somme, moyenne, wala max moo gën ab operation position fixe. Limitation buñu xamee mooy over-smoothing: dajale ay couche yu bari yuy joxe mesaas te node bu nekk dafay jëm ci benn valeur, di raxas wuute yu am njariñ. Loolu dafay tënk xóotaayu jëfandikoo gi, ba noppi waral lëkkaloo yi des ak normalisasioŋ.
njeextalu pexe
dogal yu gëna leer
Daf lay jàppale nga tàqale kàddu yu leer ci wàllu xarala ak làkku fësal njaay.
Njëgg ak budget
Mën nga laaj laaj yu gëna baax ci samp gi balaa ngay dugal xaalis wala sa jotu liggéey.
Ekip ak def liggéey
Ekip yi bokk xam-xam ñoo gëna mëna jël yenn dogal ci wàllu produit, politik ak jàng.
Ëlëgu Reseau Neural Graph
GNN yi lu am solo lañu ci IA gëstukat yi. GNoME bu DeepMind daf leen jëfandikoo ngir seetlu ay milioŋ ciy jëmmal kristal yu bees, ba noppi ay model meteo yu melni GraphCast dañuy wane globe bi ni graphe buy seetlu lu gëna gaaw ci simulatëri physique. Gëstu mingi wax ci scalability ci graphe yu am ay miliyaar, reso yu gëna xóot yuy baña nooy lu ëpp, ak diggante GNNs ak Transformers (li gëna am solo ci graphe yu lëkkaloo). Xaarandi lëkkaloo bu gëna dëgër ak xeetu fondasioŋ ak jëfandikoo gu gëna bari ci gis-gis drog ak ci science matériel.
Doxal ci àdduna dëgg
Xalaatal màndarga moleculaire yi ak toxisite yi ci gis-gis drog ci jëfandikoo atom yi ni node ak lëkkaloo chimik yi ni boor yi.
Xeetu xalaat yu am doole ci liggéeyukaay yu melni Pinterest, fu PinSage jàngee dugal ci kaw graafiku mbir ak jaxasoo jëfandikukat yi.
Gis njuuj njaaj ak fomp xaalis ci gis motif yu wóorul ci graf jëflante yi ci diggante kontu yi.
Xalaatal klimaa bi ak dem bi ak dikk bi, ni ci GraphCast ak xeetu reso yoon yiy wane barab yi ni node yu boole.
Risk yi ak balustrade yi
Ekip yu bari mën nañu jëfandikoo benn baat ci anam wu wuute, kon teela leeral yaatuwaayam.
Benchmark yi mën nañu nuru lu am doole waaye performance yi ci àdduna bi duñu tolloo.
Bëgg kalite done ak palaŋu jàngat dafay faral di jur njariñ yu yomba dagg.
Roadmap ngir samp gi
Tàmbaleel ci joxe leeral ci làkk wu leer ci njariñ li nga soxla.
Tannal benn metric bu baax ak benn anam bu baaxul balaa ngay saytu.
Doxal ab pilote bu ndaw ak ay done yu representatif, du ab demo bu leer.
Dokumenteer fi Graph Neural Networks di jàppale ak fi pexe yu gëna yomba gëna baax.
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Gis bi ci topp
Reseau neuronal
Laaj yi ñuy faral di laaj
What is Graph Neural Networks?
Reseau neuronal graphique (GNNs) ay model lañu yuy jàng ci done yuñ defaree graphique - node yuñ boole ci boor yi - ci joxe ak dajale xibaar ci diggante dëkkandoo yi. Dañu am solo ndax lu bari ci àdduna bi dafa am relasioŋ: reso sosio yi, molecule yi, kàrtu yoon yi, ak sistemi recommandé yi, ñoom ñépp ay graf lañu yu griy yi ak seeni toppalante mënu ñu wane ci seen bopp.
Lan mooy jumtukaayu ordinatër bu mag bi ci reso neuronal yu bari yi?
GNN yi dañuy liggéey ci fexe ba node bu nekk dajale ay mesaas yu bawoo ci dëkkandoo yi, ba noppi yeesal représentation boppam, baamtu ko ci diisaay yi.
Lan moo waral fonction agrégation dekkandoo bu GNN wara nekk permutation budul soppiku?
Ginaaw amul benn yoon buñ tëral ci dëkkandoo yi ci node bi, ay jëf yu melni sum, moyenne, wala max dañuy fexe ba génne gi nekkul ci ni ñu lim dëkkandoo yi.
Lan mooy 'yootu lu ëpp' ci GNN yu xóot yi?
Dajale ay couche yuy joxe mesaas yu bari dafay tax representation node bu nekk di dajaloo ci benn valeur, di efaase wuute yu am njariñ yi.
Lan moo wuutale Reseau Attention Graphique (GAT) ak Reseau Convolutionnel Graphique (GCN)?
GATs yi dañuy jox dëkkandoo yi ay poñ yuñ jàngee, bàyyi node bi mu fësal li gëna am solo moo gën ñu leen di moyenne ci anam wu wuute.
Ci GNN buñu def ci benn molecule, lan la node yi ak boor yi di màndargaal?
Molecule yi dañuy nuru ay graphe: atom yi ay node lañu, te liiñ yi leen boole ay boor lañu, moo tax GNN yi ñoo gëna mëna wax luy am ci molecule yi.