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- W4286903503 abstract "Tags are short sequences of words allowing to describe textual and non-texual resources such as as music, image or book. Tags could be used by machine information retrieval systems to access quickly a document. These tags can be used to build recommender systems to suggest similar items to a user. However, the number of tags per document is limited, and often distributed according to a Zipf law. In this paper, we propose a methodology to cluster tags into conceptual groups. Data are preprocessed to remove power-law effects and enhance the context of low-frequency words. Then, a hierarchical agglomerative co-clustering algorithm is proposed to group together the most related tags into clusters. The capabilities were evaluated on a sparse synthetic dataset and a real-world tag collection associated with scientific papers. The task being unsupervised, we propose some stopping criterion for selectecting an optimal partitioning." @default.
- W4286903503 created "2022-07-25" @default.
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- W4286903503 date "2021-10-14" @default.
- W4286903503 modified "2023-10-14" @default.
- W4286903503 title "Tagged Documents Co-Clustering" @default.
- W4286903503 doi "https://doi.org/10.48550/arxiv.2110.11079" @default.
- W4286903503 hasPublicationYear "2021" @default.
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