Browsing by Author Phạm, Thế Long

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  • Article


  • Authors: Lê, Thị Cẩm Bình; Ngô, Thành Long; Phạm, Văn Nha; Phạm, Thế Long (2021)

  • The ensemble is a popular machine learning technique based on the principle of divide and conquer. In data clustering, the ensemble aims to improve performance in terms of processing speed and clustering quality. Most existing ensemble methods face inherent complex challenges such as uncertainty, ambiguity, and overlap. Fuzzy clustering has recently been developed to handle data with many-feature, heterogeneity, uncertainty, and big data. In this paper, we propose an ensemble feature- reduction clustering model (EFRC) using advanced machine learning techniques. The EFRC model consists of three phases. First, the data is feature-reduced by a random projection. Then, the data is divided...

  • Article


  • Authors: Lê, Thị Cẩm Bình; Phạm, Văn Nha; Phạm, Thế Long (2021)

  • The development of information and com- munication technology has motivated multi- source data to become more common and publicly available. Compared to traditional data that describe objects from a single- source, multi-source data is semantically richer, more useful, however many-feature, more uncertain, and complex. Since tra- ditional clustering algorithms cannot han- dle such data, multi-source clustering has become a research hotspot. Most existing multi-source clustering methods are devel- oped from single-source clustering by ex- tending the objective function or building combination models. In fact, the fuzzy clus- tering methods handle the uncertainty data better than the ha...