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		<title>Vassia Atanassova: 30 &gt; 31</title>
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		<summary type="html">&lt;p&gt;30 &amp;gt; 31&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:23, 28 November 2025&lt;/td&gt;
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		<author><name>Vassia Atanassova</name></author>
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		<title>Vassia Atanassova: Created page with &quot;{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title  | title           = k-NN intuitionistic fuzzy classifier	  | shortcut        = nifs/30/4/496-510 }} {{issue/author  | author          = Eulalia Szmidt  | institution     =  Systems Research Institute, Polish Academy of Sciences  | address         =  ul. Newelska 6, 01-447 Warsaw, Pola...&quot;</title>
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		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/wiki/Category:Publications_on_intuitionistic_fuzzy_sets&quot; title=&quot;Category:Publications on intuitionistic fuzzy sets&quot;&gt;{{PAGENAME}}&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Publications_in_Notes_on_IFS&quot; title=&quot;Category:Publications in Notes on IFS&quot;&gt;{{PAGENAME}}&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Publications_in_2025_year&quot; title=&quot;Category:Publications in 2025 year&quot;&gt;{{PAGENAME}}&lt;/a&gt; {{issue/title  | title           = k-NN intuitionistic fuzzy classifier	  | shortcut        = nifs/30/4/496-510 }} {{issue/author  | author          = Eulalia Szmidt  | institution     =  Systems Research Institute, Polish Academy of Sciences  | address         =  ul. Newelska 6, 01-447 Warsaw, Pola...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Publications on intuitionistic fuzzy sets|{{PAGENAME}}]]&lt;br /&gt;
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 | title           = k-NN intuitionistic fuzzy classifier	&lt;br /&gt;
 | shortcut        = nifs/30/4/496-510&lt;br /&gt;
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{{issue/author&lt;br /&gt;
 | author          = Eulalia Szmidt&lt;br /&gt;
 | institution     =  Systems Research Institute, Polish Academy of Sciences&lt;br /&gt;
 | address         =  ul. Newelska 6, 01-447 Warsaw, Poland&lt;br /&gt;
 | institution-2   =  WIT Academy&lt;br /&gt;
 | address-2       =  ul. Newelska 6, 01-447 Warsaw, Poland&lt;br /&gt;
 | email-before-at =  szmidt&lt;br /&gt;
 | email-after-at  = ibspan.waw.pl&lt;br /&gt;
 | orcid           = 0000-0003-2192-6905&lt;br /&gt;
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{{issue/author&lt;br /&gt;
 | author          = Janusz Kacprzyk&lt;br /&gt;
 | institution     =  Systems Research Institute, Polish Academy of Sciences&lt;br /&gt;
 | address         =  ul. Newelska 6, 01-447 Warsaw, Poland&lt;br /&gt;
 | institution-2   =  WIT Academy&lt;br /&gt;
 | address-2       =  ul. Newelska 6, 01-447 Warsaw, Poland&lt;br /&gt;
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{{issue/author&lt;br /&gt;
 | author          = Paweł Bujnowski&lt;br /&gt;
 | institution     =  Systems Research Institute, Polish Academy of Sciences&lt;br /&gt;
 | address         =  ul. Newelska 6, 01-447 Warsaw, Poland&lt;br /&gt;
 | email-before-at =  pbujno&lt;br /&gt;
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{{issue/data&lt;br /&gt;
 | issue           = [[Notes on Intuitionistic Fuzzy Sets/31/4|Notes on Intuitionistic Fuzzy Sets, Volume 31 (2025), Number 4]], pages 496–510&lt;br /&gt;
 | doi             = https://doi.org/10.7546/nifs.2025.31.4.496-510&lt;br /&gt;
 | file            = NIFS-31-4-496-510.pdf&lt;br /&gt;
 | format          = PDF&lt;br /&gt;
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 | abstract        = The k-NN (k-Nearest Neighbor) classifier is one of the commonly used classifiers. We present a modification of this classifier based on Atanassov&amp;#039;s intuitionistic fuzzy sets (IFSs, for short). We show,  using benchmark data from &amp;#039;&amp;#039;UCI  Machine Learning Repository&amp;#039;&amp;#039;, that the classifier we propose achieves very good results.&lt;br /&gt;
 | keywords        = Intuitionistic fuzzy sets, Classification, k-NN classifier. | ams             = 03E72.&lt;br /&gt;
 | references      = &lt;br /&gt;
# Atanassov, K. (1983). Intuitionistic fuzzy sets. VII ITKR Session. Sofia (Centr. Sci.-Techn. Libr. of Bulg. Acad. of Sci., 1697/84) (in Bulgarian).&lt;br /&gt;
# Atanassov, K. T. (1999). Intuitionistic Fuzzy Sets: Theory and Applications. SpringerVerlag, Heidelberg.&lt;br /&gt;
# Atanassov, K. T. (2012). On Intuitionistic Fuzzy Sets Theory. Springer-Verlag, Berlin.&lt;br /&gt;
# Atanassova, V. (2004). Strategies for decision making in the conditions of intuitionistic fuzziness. Proceedings of International Conference 8th Fuzzy Days, Dortmund, Germany, 263–269.&lt;br /&gt;
# Bujnowski, P., Szmidt, E., &amp;amp; Kacprzyk, J. (2014). Intuitionistic fuzzy decision trees - A new approach. In: Rutkowski, L., Korytkowski, M., Scherer, R., Tadeusiewicz, R., Zadeh, L., &amp;amp; Zurada, J. (Eds.). Artificial Intelligence and Soft Computing, Part I. Springer, Switzerland, 181–192.&lt;br /&gt;
#  Bustince, H., Mohedano, V., Barrenechea, E., &amp;amp; Pagola, M. (2006). An algorithm for calculating the threshold of an image representing uncertainty through A-IFSs. IPMU’2006, 2383–2390.&lt;br /&gt;
# Campagner, A., Dorigatti, V., &amp;amp; Ciucci, D. (2020). Entropy-based shadowed set approximation of intuitionistic fuzzy sets. International Journal of Intelligent Systems, 35(12), 2118–2139.&lt;br /&gt;
# De Carvalho, F. A. T. (1994). Proximity coefficients between Boolean symbolic objects. In: Diday et al. (Eds.). New Approaches in Classification and Data Analysis. Springer-Verlag, Heidelberg, 387–394.&lt;br /&gt;
# De Carvalho, F. A. T. (1998). Extension based proximities between Boolean symbolic objects, In: Hayashi, C. et al. (Eds.), Data Science, Classification and Related Methods. Springer-Verlag, Tokyo, 370–378.&lt;br /&gt;
# De Carvalho, F. A. T., &amp;amp; Souza, R. M. C. (1998). Statistical proximity functions of Boolean symbolic objects based on histograms. In: Rizzi, A., Vichi, M., Bock, H.H. (Eds.). Advances in Data Science and Classification, Springer-Verlag, Heidelberg, 391–396.&lt;br /&gt;
# Derrac, J., Garcia, S., &amp;amp; Herrera, F. (2014). Fuzzy nearest neighbor algorithms: Taxonomy, experimental analysis and prospects. Information Sciences, 260, 98–119.&lt;br /&gt;
# Hadjitodorov, S. (1995). [[Issue:An intuitionistic fuzzy sets application to the K-NN method|An intuitionistic fuzzy sets application to the K-NN method]]. Notes on Intuitionistic Fuzzy Sets, 1(1), 66–69.&lt;br /&gt;
# Hadjitodorov, S. (1998). [[Issue:Intuitionistic fuzzy versions of K-NN method and their application to respiratory distress syndrome detection|Intuitionistic fuzzy versions of K-NN method and their application to respiratory distress syndrome detection]]. Notes on Intuitionistic Fuzzy Sets, 4(4), 62–67.&lt;br /&gt;
# Hadjitodorov, S. (2000). A F-operator intuitionistic fuzzy version of the nearest neighbor classifier. Notes on Intuitionistic Fuzzy Sets, 6(1), 1–6.&lt;br /&gt;
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#  Maggiora, G., &amp;amp; Szmidt, E. (2021). An intuitionistic fuzzy set analysis of drug-target interactions. MATCH Communications in Mathematical and in Computer Chemistry, 85(3), 465–498.&lt;br /&gt;
# Roeva, O., &amp;amp; Michalikova, A. (2013). [[Issue:Generalized net model of intuitionistic fuzzy logic control of genetic algorithm parameters|Generalized net model of intuitionistic fuzzy logic control of genetic algorithm parameters]]. Notes on Intuitionistic Fuzzy Sets, 19(2), 71–76.&lt;br /&gt;
# Quinlan, J. R. (1986). Induction of decision trees. Machine Learning, 1, 81–106.&lt;br /&gt;
# Syriopoulos, P. K., Kalampalikis, N. G., Kotsiantis, S. B., &amp;amp; Vrahatis, M. N. (2025). kNN Classification: A review. Annals of Mathematics and Artificial Intelligence, 93, 43–75.&lt;br /&gt;
# Szmidt, E. (2014). Distances and Similarities in Intuitionistic Fuzzy Sets. Springer.&lt;br /&gt;
# Szmidt, E., &amp;amp; Baldwin, J. (2006). Intuitionistic fuzzy set functions, mass assignment theory, possibility theory and histograms. Proceedings of 2006 IEEE World Congress on Computational Intelligence, pp. 237–243.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (1996). Group decision making via intuitionistic fuzzy sets. Proceedings of FUBEST’96, Sofia, Bulgaria, pp. 107–112.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (1997). [[Issue:On measuring distances between intuitionistic fuzzy sets|On measuring distances between intuitionistic fuzzy sets]]. Notes on Intuitionistic Fuzzy Sets, 3(4), 1–13.&lt;br /&gt;
#  Szmidt, E., &amp;amp; Kacprzyk, J. (1998). Group decision making under intuitionistic fuzzy preference relations. Proceedings of IPMU’98, pp. 172–178.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (1998). Applications of intuitionistic fuzzy sets in decision making. Proceedings of EUSFLAT’99, Navarra, pp. 150–158.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2000). Distances between intuitionistic fuzzy sets. Fuzzy Sets and Systems, 114(3), 505–518.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2001). Analysis of consensus under intuitionistic fuzzy preferences. Proceedings of International Conference in Fuzzy Logic and Technology. Leicester, UK, pp. 79–82.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2001). Entropy for intuitionistic fuzzy sets. Fuzzy Sets and Systems, 118(3), 467–477.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2002). Analysis of agreement in a group of experts via distances between intuitionistic fuzzy preferences. Proceedings of the 9th International Conference IPMU’2002, Annecy, France, pp. 1859–1865.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2002). Evaluation of agreement in a group of experts via distances between intuitionistic fuzzy sets. Proceedings of 2002 International IEEE Symposium on Intelligent Systems (IS’2002), Varna, Bulgaria, pp. 166–170.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2004). A concept of similarity for intuitionistic fuzzy sets and its use in group decision making. Proceedings of 2004 IEEE Conference on Fuzzy Systems, Budapest, pp. 1129–1134.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2005). A new concept of a similarity measure for intuitionistic fuzzy sets and its use in group decision making. In: Torra, V., Narukawa, Y., &amp;amp; Miyamoto. S. (Eds.). Modelling Decisions for Artificial Intelligence. Lecture Notes on Artifiial Intelligence, Vol. 3558, pp. 272–282. Springer.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2005). Distances between intuitionistic fuzzy sets and their applications in reasoning. In: Halgamuge, S., &amp;amp; Wang, L. (Eds.). Computational Intelligence for Modelling and Prediction. Studies in Computational Intelligence, Vol 2. pp. 101–116. Springer.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2005). [[Issue:New measures of entropy for intuitionistic fuzzy sets|New measures of entropy for intuitionistic fuzzy sets]]. Notes on Intuitionistic Fuzzy Sets, 11(2), 12–20.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2006). An application of intuitionistic fuzzy set similarity measures to a multi-criteria decision making problem. Proceedings of ICAISC 2006. Lecture Notes on Artificial Intelligence, Vol. 4029, pp. 314–323. Springer-Verlag.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2006). Distances between intuitionistic fuzzy sets: Straightforward approaches may not work. Proceedings of 3rd International IEEE Conference Intelligent Systems (IEEE IS’06), London, pp. 716–721.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2007). A new similarity measure for intuitionistic fuzzy sets: Straightforward approaches may not work. Proceedings of 2007 IEEE International Conference on Fuzzy Systems, pp. 481–486.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2007). Some problems with entropy measures for the Atanassov intuitionistic fuzzy sets. Applications of Fuzzy Sets Theory. Lecture Notes on Artificial Intelligence, Vol. 4578, pp. 291–297. Springer-Verlag.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2009). Ranking of intuitionistic fuzzy alternatives in a multi-criteria decision making problem. In: Proceedings of NAFIPS 2009, Cincinnati, USA, June 14–17, 2009, pp. 1-6, doi: 10.1109/NAFIPS.2009.5156417.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2010). Dealing with typical values via Atanassov’s intuitionistic fuzzy sets. International Journal of General Systems, 39(5), 489–506.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2011). Intuitionistic fuzzy sets – Two and three term representations in the context of a Hausdorff distance. Acta Universitatis Matthiae Belii, Series Mathematics, 19, 53–62.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2012). A new approach to Principal Component Analysis for intuitionistic fuzzy data sets. Greco, S., et al. (Eds.). IPMU 2012, Part II, CCIS 298, pp. 529–538, Springer-Verlag Berlin Heidelberg.&lt;br /&gt;
# Szmidt, E., &amp;amp; Kacprzyk, J. (2015). Two and three term representations of intuitionistic fuzzy sets: Some conceptual and analytic aspects. Proceedings of 2015 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2015), pp. 1–8.&lt;br /&gt;
#  Szmidt, E., &amp;amp; Kacprzyk, J. (2017). A perspective on differences between Atanassov&amp;#039;s intuitionistic fuzzy sets and interval-valued fuzzy sets. In: Torra, V., Dahlbom, V., Narukawa, Y. (Eds.). Fuzzy Sets, Rough Sets, Multisets and Clustering. Studies in Computational Intelligence, Volume 671, pp. 221–237, Springer.&lt;br /&gt;
#  Szmidt, E., &amp;amp; Kacprzyk, J. (2022). Atanassov’s intuitionistic fuzzy sets demystified. In: Ciucci, D., Couso, I., Medina, J., Slezak, D., Petturiti, D., Bouchon-Meunier, B., &amp;amp; Yager, R. R. (Eds.). Information Processing and Management of Uncertainty in Knowledge-Based Systems. 19th International Conference, IPMU 2022, Milan, Italy, Proceedings, Part I, pp. 517–527. Communications in Computer and Information Science 1601, Springer.&lt;br /&gt;
#  Szmidt, E., Kacprzyk, J., Atanassova, V., &amp;amp; Bujnowski, P. (2024). [[Issue:Intuitionistic fuzzy sets in group decision making – A novel approach|Intuitionistic fuzzy sets in group decision making – A novel approach]]. Notes on Intuitionistic Fuzzy Sets, 30(2), 101–112.&lt;br /&gt;
#  Szmidt, E., Kacprzyk, J., &amp;amp; Bujnowski, P. (2020). Attribute selection for sets of data expressed by intuitionistic fuzzy sets. Proceedings of 2020 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), Glasgow, UK, pp. 1–7.&lt;br /&gt;
#  Szmidt, E., Kacprzyk, J., &amp;amp; Bujnowski, P. (2021). Three term attribute description of Atanassov’s intuitionistic fuzzy sets as a basis of attribute selection. Proceedings of 2021 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), pp. 1–6.&lt;br /&gt;
#   Szmidt, E., Kacprzyk, J., &amp;amp; Bujnowski, P. (2022). Ranking of alternatives described by Atanassov’s intuitionistic fuzzy sets – A critical review. Proceedings of the 2022 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), pp. 1–7.&lt;br /&gt;
#   Szmidt, E., Kacprzyk, J., &amp;amp; Bujnowski, P. (2022). Similarity measures for Atanassov’s intuitionistic fuzzy sets: Some dilemmas and challenges. Control and Cybernetics, 51(2), 249–266.&lt;br /&gt;
#   Szmidt, E., Kacprzyk, J., &amp;amp; Bujnowski, P. (2023). [[Issue:Identification of a sufficient number of the best attributes in the intuitionistic fuzzy models|Identification of a sufficient number of the best attributes in the intuitionistic fuzzy models]]. Notes on Intuitionistic Fuzzy Sets, 29(2), 144–156.&lt;br /&gt;
#  Szmidt, E., Kacprzyk, J., Bujnowski, P., Starczewski, J., &amp;amp; Siwocha, A. (2024). Ranking of alternatives described by Atanassov’s intuitionistic fuzzy sets – Reconciling some misunderstandings. Journal of Artificial Intelligence and Soft Computing Research, 14(3), 237–250.&lt;br /&gt;
#  Szmidt, E., &amp;amp; Kukier, M. (2006). Classification of imbalanced and overlapping classes using intuitionistic fuzzy sets. Proceedings of 3rd International IEEE Conference on Intelligent Systems IEEE IS’06, London, 722–727.&lt;br /&gt;
#  Szmidt, E., &amp;amp; Kukier, M. (2008). A new approach to classification of imbalanced classes via Atanassov’s intuitionistic fuzzy sets. In: Wang, H.-S. (Ed.). Intelligent Data Analysis: Developing New Methodologies Through Pattern Discovery and Recovery. Idea Group, pp. 85–101.&lt;br /&gt;
#  Szmidt, E., &amp;amp; Kukier, M. (2008). Atanassov’s intuitionistic fuzzy sets in classification of imbalanced and overlapping classes. In: Chountas, P., Petrounias, I., &amp;amp; Kacprzyk, J. (Eds.). Intelligent Techniques and Tools for Novel System Architectures. Springer, Series: Studies in Computational Intelligence, Berlin, Heidelberg, pp. 455–471.&lt;br /&gt;
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#  Zadeh, L. A. (1965). Fuzzy sets. Information and Control, 8(3), 338–353.&lt;br /&gt;
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		<author><name>Vassia Atanassova</name></author>
	</entry>
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