[Retracted] Recommendation Model of Tourist Attractions Based on Deep Learning

Table 1

Classification of recommendation models based on reinforcement learning.

Type	Traditional reinforcement learning recommendation		Deep reinforcement learning recommendation
	MAB-based recommendation	MDP-based recommendation	Recommendation based on value function DRL	Recommendation based on policy gradient DRL
Enter	Actions/States and actions	State and action/State	State and action/State	State and action/State
Output	Reward value	Q value	Q value	Probability of taking an action
Feature	Maximize step reward	Maximize total reward	Maximize total reward	Maximize total reward
Literature model	MusicCN-Bandit	Constrained PSRL	DRN	LEAP	DeepPage
	DCdrift	Multi＿With	Robust	CRS	DeepChain
	CoLin	Bic-RL	DEERS	Top-k Corrected	RCR
	Corr-Bandit	Bayes-UCB-CN	FeedRec	REINFORCE	MARDPG
	MF-Bandit	ε-SVR-C	GAUM	LSIC	VL-Rec
	e-TSbandit	DPG-FBE	SLATEQ	TPGR	MaHRL
	DMCB	DJ-MC	Pseudo Dyna-Q	IRecGAN	HRL-Rec
	POMDP-Rec	APG	Value-aware	SRL-RNN	KERL
	Web-bandit	IRL-based	UDQN	LIRD	KGRL
			GCQN		NRRS