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  <front>
    <journal-meta>
      <journal-id journal-id-type="nlm-ta">REA Press</journal-id>
      <journal-id journal-id-type="publisher-id">Null</journal-id>
      <journal-title>REA Press</journal-title><issn pub-type="ppub">3042-0180</issn><issn pub-type="epub">3042-0180</issn><publisher>
      	<publisher-name>REA Press</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">https://doi.org/10.22105/scfa.vi.51 </article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Research Article</subject>
        </subj-group>
        <subj-group><subject>Rough set, HyperRough set, SuperHyperRough set, Intuitionistic rough set, One-directional s-rough set, Tolerance rough set, Dynamic rough set.</subject></subj-group>
      </article-categories>
      <title-group>
        <article-title>Note for Intuitionistic HyperRough Set, One–Directional S–Hyperrough Set, Tolerance Hyperrough Set,and Dynamic Hyperrough Set </article-title><subtitle>Note for Intuitionistic HyperRough Set, One–Directional S–Hyperrough Set, Tolerance Hyperrough Set,and Dynamic Hyperrough Set </subtitle></title-group>
      <contrib-group><contrib contrib-type="author">
	<name name-style="western">
	<surname>Fujita</surname>
		<given-names>Takaaki </given-names>
	</name>
	<aff>ndependentResearcher,Shinjuku,Shinjuku-ku,Tokyo,Japan.</aff>
	</contrib></contrib-group>		
      <pub-date pub-type="ppub">
        <month>08</month>
        <year>2025</year>
      </pub-date>
      <pub-date pub-type="epub">
        <day>05</day>
        <month>08</month>
        <year>2025</year>
      </pub-date>
      <volume>2</volume>
      <issue>3</issue>
      <permissions>
        <copyright-statement>© 2025 REA Press</copyright-statement>
        <copyright-year>2025</copyright-year>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.5/"><p>This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p></license>
      </permissions>
      <related-article related-article-type="companion" vol="2" page="e235" id="RA1" ext-link-type="pmc">
			<article-title>Note for Intuitionistic HyperRough Set, One–Directional S–Hyperrough Set, Tolerance Hyperrough Set,and Dynamic Hyperrough Set </article-title>
      </related-article>
	  <abstract abstract-type="toc">
		<p>
			Various set-theoretic models have been proposed to handle uncertainty, including Fuzzy Sets, Intuitionistic Fuzzy Sets, Neutrosophic Sets, and Soft Sets.  Rough set theory provides a mathematical framework for approximating subsets using lower and upper bounds defined by equivalence relations, effectively capturing uncertainty in classification and data analysis. Building on these foundational ideas, further generalizations such as Hyperrough Sets and Superhyperrough Sets have been developed.   In this paper, we introduce newly defined concepts of the Intuitionistic Hyperrough Set, One–directional S–Hyperrough Set, Tolerance Hyperrough Set, and Dynamic Hyperrough Set. These are extended versions of the Intuitionistic Rough Set, One–directional S–rough Set, Tolerance Rough Set, and Dynamic Rough Set, respectively, constructed using the framework of Hyperrough Sets. Additionally, we explore extensions constructed using the Superhyperrough Set framework.
		</p>
		</abstract>
    </article-meta>
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