id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
absel-363	Umeda, Takashi; Ichikawa, Manabu; Koyama, Yuhsuke; Deguchi, Hiroshi	Evaluation of Collaborative Filtering by Agent-Based Simulation Considering Market Environment	2014	9	.pdf	application/pdf	4353	185	41	Our findings were as follows: 1) the number of neighbors is a key parameter and there is a trade-off due to market circumstances, 2) a bigger number of neighbors performed better, with a tendency that was independent of the degree of clustering of consumer preferences, 3) if there were any high-frequency purchasers, a smaller number of neighbors performed better. It is even impossible to use this method when the market environment changes frequently, for example, new items are dynamically and constantly added and consumer preferences dynamically change according to the website recommendations.	cache/absel-363.pdf	txt/absel-363.txt