This indicates that the cold start injector time switch circuit, so that the cold start injector is not always participate in the work, leading to cold start problems.
这表明，冷起动喷油器定时开关断路，使冷起动喷油器始终不能正常工作，导致冷启动困难问题出现。
Recommendation system based on implicit rating was proposed to improve the precision and solve the problems of "scarcity" and "cold-start".
为解决协同过滤推荐中“稀疏”和“冷开始”问题，提高推荐精度，提出了基于隐式评分的推荐系统。
And point out the problems existed in the traditional collaborative filtering methods: ratings matrix sparsity, cold start, vulnerability, single interest model and scalability issues.
指出了传统协同过滤方法存在着评分矩阵稀疏、冷启动、易受攻击性、兴趣模型单一和可扩展性等问题。
应用推荐