As of June 2025, International Journal "Notes on Intuitionistic Fuzzy Sets" has been assigned SJR = 0.258 and Scopus quartile Q3.
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Open Call for Papers: 29th International Conference on Intuitionistic Fuzzy Sets • 6–7 November 2026 • Sofia, Bulgaria / Online
Deadline for submissions: 10 May 2026.

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23:10, 29 January 2015 IWGN-2014-01-07.pdf (file) 143 KB Vassia Atanassova (talk | contribs) {{upload | description = Bat algorithm in terms of generalized nets |authors = Olympia Roeva, Pedro Melo-Pinto | source = Proc. of International Workshop on Generalized Nets '2014 | date = 1
11:13, 20 January 2015 20150120-presentation.ppt (file) 748 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
14:59, 19 January 2015 BMSD-2014 289-294-atanassova-dukovska-atanassov-mavrov.pdf (file) 611 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
14:56, 19 January 2015 AISC322 IEEE-IS-2014 107-115 Atanassova,Doukovska,Karastoyanov,Capkovic.pdf (file) 176 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
14:54, 19 January 2015 AISC322 IEEE-IS-2014 95-106 Atanassova,Doukovska,Mavrov,Atanassov.pdf (file) 219 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
14:52, 19 January 2015 IEEE-IS-2014 Vassia Atanassova.ppt (file) 2.31 MB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
14:47, 19 January 2015 Issues-11-2014-01-08 Atanassov,Mavrov,Atanassova.pdf (file) 158 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
14:00, 14 January 2015 ICA members.doc (file) 78 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
13:05, 14 January 2015 2015-01-13 Meeting1.doc (file) 28 KB Vassia Atanassova (talk | contribs) Category:InterCriteria 1
23:15, 31 December 2014 NIFS-20-4-65-67.pdf (file) 107 KB Vassia Atanassova (talk | contribs) {{upload | description = Issue:An (α,β)-tautology and a problem, related to it | author = source = [[Notes on Intuitionistic Fuzzy Sets/20/4 | date = 2014 | license = | other-version = }} Category:PDF files 1
22:51, 31 December 2014 NIFS-20-5-69-74.pdf (file) 229 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy estimations of establishing connections with File Transfer Protocol for virtual hosts |aut 1
22:51, 31 December 2014 NIFS-20-5-62-68.pdf (file) 136 KB Vassia Atanassova (talk | contribs) {{upload | description = Determining intuitionistic fuzzy estimates for decision making in medical tasks |author = Peter Vassilev, Lyudmila Todorova and [[ 1
22:50, 31 December 2014 NIFS-20-5-57-61.pdf (file) 251 KB Vassia Atanassova (talk | contribs) {{upload | description = An application of the intuitionistic fuzzy modal operator E<sub>α,β</sub> |author = Gökhan Çuvalcıoğlu and Esra Aykut | source = [[Notes 1
22:50, 31 December 2014 NIFS-20-5-50-56.pdf (file) 186 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy radar chart interpretation for workload of the generalized net algorithms |author = Nora Angelova 1
22:49, 31 December 2014 NIFS-20-5-36-49.pdf (file) 184 KB Vassia Atanassova (talk | contribs) {{upload | description = Resolution of a system of the max-min product intuitionistic fuzzy relation equations using LU-factorization 1
22:49, 31 December 2014 NIFS-20-5-26-35.pdf (file) 222 KB Vassia Atanassova (talk | contribs) {{upload | description = Extension of intuitionistic fuzzy modal operators diagram with new operators |author = Sinem Yılmaz and Arif Bal | source = [[Note 1
22:48, 31 December 2014 NIFS-20-5-17-25.pdf (file) 192 KB Vassia Atanassova (talk | contribs) {{upload | description = More basic operations and modal operators over 3-dimensional intuitionistic fuzzy index matrices |author = [[Velichka Tra 1
22:48, 31 December 2014 NIFS-20-5-09-16.pdf (file) 164 KB Vassia Atanassova (talk | contribs) {{upload | description = Matrix representation of the second type of intuitionistic fuzzy modal operators |author = Gökhan Çuvalcıoğlu, Sinem Yılmaz 1
22:47, 31 December 2014 NIFS-20-5-01-08.pdf (file) 152 KB Vassia Atanassova (talk | contribs) {{upload | description = A new modal operator over intuitionistic fuzzy sets |author = Krassimir Atanassov, Gökhan Çuvalcıoğlu and Vassia Atanassova | source = [[Notes on Int 1
22:47, 31 December 2014 NIFS-20-5-00.pdf (file) 24 KB Vassia Atanassova (talk | contribs) {{upload | description = Preface of NIFS 20/5 |author = Editorial | source = Notes on Intuitionistic Fuzzy Sets/20/5 | date = 2014 | license = | other-version = }} Category:PDF files 1
22:41, 31 December 2014 NIFS-20-4-59-64.pdf (file) 163 KB Vassia Atanassova (talk | contribs) {{upload | description = On 3-dimensional intuitionistic fuzzy index matrices |author = Velichka Traneva | source = Notes on Intuitionistic Fuzzy Sets/20/4 | date = 2014 | licens 1
22:41, 31 December 2014 NIFS-20-4-53-58.pdf (file) 132 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy logic control of metaheuristic algorithms' parameters via a generalized net |author = [[Olympia Roev 1
22:40, 31 December 2014 NIFS-20-4-47-52.pdf (file) 131 KB Vassia Atanassova (talk | contribs) {{upload | description = Assessment of credit risk in SMEs financing using neural networks and intuitionistic fuzzy estimations |author = [ 1
22:40, 31 December 2014 NIFS-20-4-41-46.pdf (file) 145 KB Vassia Atanassova (talk | contribs) {{upload | description = Sum- and average-based approach to criteria shortlisting in the InterCriteria Analysis |author = Vassia Atanassova and [[Iveli 1
22:39, 31 December 2014 NIFS-20-4-32-40.pdf (file) 105 KB Vassia Atanassova (talk | contribs) {{upload | description = D-posets and effect algebras |authors = Martina Paulínyová | source = Notes on Intuitionistic Fuzzy Sets/20/4 | date = 2014 | license = | other-version = }} [[Category:PDF f 1
22:39, 31 December 2014 NIFS-20-4-19-31.pdf (file) 171 KB Vassia Atanassova (talk | contribs) {{upload | description = On the extension of group-valued measures |author = Alžbeta Michalíková | source = Notes on Intuitionistic Fuzzy Sets/20/4 | date = 2014 | license = | other-ver 1
22:38, 31 December 2014 NIFS-20-4-14-18.pdf (file) 141 KB Vassia Atanassova (talk | contribs) {{upload | description = On the Łukasiewicz operations over intuitionistic fuzzy sets |author = Beloslav Riečan and Štefan Tkáčik | source = [[Notes on Intuitionistic 1
22:37, 31 December 2014 NIFS-20-4-07-09.pdf (file) 134 KB Vassia Atanassova (talk | contribs) {{upload | description = Note on the (μ, ν)-coherence relation, defined over intuitionistic fuzzy sets |author = Peter Vassilev, Lyudmila Todorova, [[Ka 1
22:36, 31 December 2014 NIFS-20-4-01-06.pdf (file) 134 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic fuzzy sets. Part 2|Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic 1
13:02, 30 November 2014 19-ICIFS-2015-CFP.pdf (file) 71 KB Vassia Atanassova (talk | contribs) {{upload | description = First call for papers for ICIFS'2015 | author = V. Atanassova | source = own work | date = 2014 | license = | other-version = }} Category:PDF files 1
19:14, 29 November 2014 NIFS-20-3-72-83.pdf (file) 854 KB Vassia Atanassova (talk | contribs) {{upload | description = Generalized net model of a social network with intuitionistic fuzzy estimation |author = Stanislav Andreev, Krassimir Atanassov and S 1
19:13, 29 November 2014 NIFS-20-3-84.pdf (file) 44 KB Vassia Atanassova (talk | contribs) {{upload | description = Book review of ''Index Matrices: Towards an Augmented Matrix Calculus'' |author = -- | source = Notes on Intuitionistic Fuzzy Sets/20/3 | date = 2014 | license = | other-version = }} 1
17:36, 24 November 2014 NIFS-20-3-65-71.pdf (file) 254 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Intuitionistic fuzzy estimations of establishing secure File Transfer Protocol connection with Transport Layer Security|Intuitionistic fuzzy estimations of establishing secure File Transfer Protocol connection with Transp 1
13:08, 24 November 2014 NIFS-20-3-42-52.pdf (file) 184 KB Vassia Atanassova (talk | contribs) {{upload | description = Common fixed point theorems in ϵ-chainable intuitionistic fuzzy metric spaces |author = M. Jeyaraman, N. Nagarajan and [[Saurabh 1
12:49, 24 November 2014 NIFS-20-3-34-41.pdf (file) 193 KB Vassia Atanassova (talk | contribs) {{upload | description = On extension principle for intuitionistic fuzzy sets | author = Evgeniy Marinov | source = Notes on Intuitionistic Fuzzy Sets/20/3 | date = 2014 | license 1
11:39, 24 November 2014 NIFS-20-3-53-64.pdf (file) 283 KB Vassia Atanassova (talk | contribs) {{upload | description = Hesitant intuitionistic fuzzy linguistic term sets |author = Ismat Beg and Tabasam Rashid | source = Notes on Intuitionistic Fuzzy Sets/20/3 | date = 201 1
11:35, 24 November 2014 NIFS-20-3-13-33.pdf (file) 274 KB Vassia Atanassova (talk | contribs) {{upload | description = Inverse and direct systems in the category of intuitionistic fuzzy submodules |author = Çiğdem Gündüz (Aras) and Bijan Davvaz 1
11:34, 24 November 2014 NIFS-20-3-06-12.pdf (file) 399 KB Vassia Atanassova (talk | contribs) {{upload | description = On intuitionistic fuzzy β-supra open set and intuitionistic fuzzy β-supra continuous functions |author = [[M. Parimala] 1
11:28, 24 November 2014 NIFS-20-3-01-05.pdf (file) 134 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic fuzzy sets. Part 1|Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic 1
10:44, 15 November 2014 Springer-SCI-573-cover-2.jpg (file) 13 KB Vassia Atanassova (talk | contribs) {{upload | description = Book cover of Index Matrices: Towards an Augmented Matrix Calculus | author = Krassimir Atanassov | source = Springer | date = 2014 | license = All rights reserve | other-version = }} Category:Book covers 1
10:41, 15 November 2014 Springer-SCI-573-cover-1.jpg (file) 34 KB Vassia Atanassova (talk | contribs) {{upload | description = Book cover of Index Matrices: Towards an Augmented Matrix Calculus | author = Krassimir Atanassov | source = Springer | date = 2014 | license = All rights reserve | other-version = }} Category:Book covers 1
10:39, 15 November 2014 Springer-SCI-573-cover.jpg (file) 1.17 MB Vassia Atanassova (talk | contribs) {{upload | description = Book cover of Index Matrices: Towards an Augmented Matrix Calculus | author = | source = Springer | date = 2014 | license = All rights reserve | other-version = }} Category:Book covers 1
17:10, 28 October 2014 GN-1992.pdf (file) 13.13 MB Vassia Atanassova (talk | contribs) {{upload | description = Обобщени мрежи | author = Красимир Атанасов | source = Изд. Понтика Принт | date = 1992 | license = | other-version = }} Category:PDF files 1
09:44, 19 September 2014 NIFS-20-1-09-19.pdf (file) 208 KB Vassia Atanassova (talk | contribs) Corrected 3
23:19, 8 September 2014 NIFS-20-1-40-44.pdf (file) 149 KB Vassia Atanassova (talk | contribs)   2
23:16, 8 September 2014 NIFS-20-1-45-54.pdf (file) 184 KB Vassia Atanassova (talk | contribs)   2
23:14, 8 September 2014 NIFS-20-1-01-08.pdf (file) 157 KB Vassia Atanassova (talk | contribs)   2
23:08, 8 September 2014 NIFS-20-1-63-78.pdf (file) 264 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy goal geometric programming problem |author = Payel Ghosh and Tapan Kumar Roy | source = Notes on Intuitionistic Fuzzy Sets/20/1 1
23:08, 8 September 2014 NIFS-20-1-55-62.pdf (file) 222 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy histograms in grid-based clustering |author = Veselina Bureva | source = Notes on Intuitionistic Fuzzy Sets/20/1 | date = 2014 | 1
23:07, 8 September 2014 NIFS-20-1-20-39.pdf (file) 221 KB Vassia Atanassova (talk | contribs) {{upload | description = Extended intuitionistic fuzzy graphs |author = Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/20/1 | date = 2014 | license = | other-version = }} 1
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