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基于领域本体的协同过滤推荐算法 被引量:1

A Collaborative Filtering Algorithm Using Domain Ontology
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摘要 为了解决协同过滤推荐系统中所存在的可扩展性、稀疏性和冷启动等问题带来的推荐性能底下,提出新的基于领域本体的协同过滤推荐算法,该算法综合考虑了项目的语义相似性和评分相似性的影响,改善基于项目的协同过滤算法性能。实验结果表明,基于领域本体的协同过滤算法不仅能很好的解决基于项目的协同过滤算法带来的问题,而且还提高了推荐系统的推荐质量。
出处 《计算机系统应用》 2008年第5期20-23,共4页 Computer Systems & Applications
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