Hierarchical itemspace rank: Exploiting hierarchy to alleviate sparsity in ranking-based recommendation

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@article{8a5bf9e383084df89675fbeef4246194,

title = "Hierarchical itemspace rank: Exploiting hierarchy to alleviate sparsity in ranking-based recommendation",

author = "Nikolakopoulos, \{Athanasios N\} and Kouneli, \{Marianna A\} and Garofalakis, \{John D\}",

year = "2015",

language = "English (US)",

volume = "163",

pages = "126--136",

journal = "Neurocomputing",

issn = "0925-2312",

publisher = "Elsevier B.V.",

}