These two methods are both not subject to external resource constraints and would solve the data sparse problem in some extent.
这两种方法均不受外部资源所限，能在一定程度上解决数据稀疏问题。
Collaborative filtering is a successful technology in information push, but this method has encountered data sparse, cold start and other issues.
协同过滤是目前应用较为成功的信息推送技术，但也遇到了数据稀疏性、冷启动等种种问题。
Peter Thorne, a climatologist at the Co-operative Institute for Climate and Satellites, in North Carolina, describes it as "quite a hard sell in periods that are data sparse".
北卡罗来纳州的卫星气象合作机构的气象学家PeterThorne说：“在数据稀少的时间段中，这种研究结果很难让人信服。”
The present smoothing techniques have solved the data sparse problem effectively but have not further analyzed the reasonableness for the frequency distribution of events occurring.
现有平滑技术虽然已有效地对数据稀疏问题进行了处理，但对已出现事件频率分布的合理性并没有作出有效的分析。
The present smoothing techniques deal with the data sparse problem using different discount and compensate strategy, and they have different merit or shortcoming on complexity and rationality.
现有平滑技术利用不同的折扣和补偿策略来处理数据稀疏问题，在计算复杂性与合理性方面各有其优缺点。
The transfer scheme can improve the simulation results as compared with the case of using uniform model parameters to data-sparse areas in previous work.
与以往工作中对无资料区域选取统一参数相比，该参数移植方案可提高模型的模拟精度。
The transfer scheme can improve the simulation results as compared with the case of using uniform model parameters to data-sparse areas in previous work.
与以往工作中对无资料区域选取统一参数相比，该参数移植方案可提高模型的模拟精度。
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