Works by Atanassova, Vassia

Results: 24

Geometrical Interpretations of Interval-Valued Intuitionistic Fuzzy Sets: Reconsiderations and New Results.

Published in:

Mathematics (2227-7390), 2025, v. 13, n. 12, p. 1967, doi. 10.3390/math13121967

By:

Atanassov, Krassimir;
Vassilev, Peter;
Atanassova, Vassia

Publication type:

Article

Application of InterCriteria Analysis to Assess the Performance of Scoring Functions in Molecular Docking Software Packages.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 15, p. 2549, doi. 10.3390/math10152549

By:

Jereva, Dessislava;
Alov, Petko;
Tsakovska, Ivanka;
Angelova, Maria;
Atanassova, Vassia;
Vassilev, Peter;
Ikonomov, Nikolay;
Atanassov, Krassimir;
Pajeva, Ilza;
Pencheva, Tania

Publication type:

Article

Application of Game Method for Modelling and Temporal Intuitionistic Fuzzy Pairs to the Forest Fire Spread in the Presence of Strong Wind.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 8, p. N.PAG, doi. 10.3390/math10081280

By:

Mavrov, Deyan;
Atanassova, Vassia;
Bureva, Veselina;
Roeva, Olympia;
Vassilev, Peter;
Tsvetkov, Radoslav;
Zoteva, Dafina;
Sotirova, Evdokia;
Atanassov, Krassimir;
Alexandrov, Alexander;
Tsakov, Hristo

Publication type:

Article

A Generalized Net Model of the Prostate Gland's Functioning.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 3, p. 479, doi. 10.3390/math10030479

By:

Lubich, Martin;
Papazov, Velimir;
Popov, Elenko;
Georgieva, Radostina;
Dmitrenko, Dmitrii;
Bojkov, Borislav;
Slavov, Chavdar;
Vassilev, Peter;
Atanassova, Vassia;
Todorova, Lyudmila;
Atanassov, Krassimir T.

Publication type:

Article

Generalized Net Model of Forest Zone Monitoring by UAVs.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 22, p. 2874, doi. 10.3390/math9222874

By:

Atanassov, Krassimir T.;
Vassilev, Peter;
Atanassova, Vassia;
Roeva, Olympia;
Iliev, Rosen;
Zoteva, Dafina;
Bureva, Veselina;
Mavrov, Deyan;
Alexandrov, Alexander

Publication type:

Article

On an Intuitionistic Fuzzy Form of the Goguen's Implication.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 6, p. 676, doi. 10.3390/math9060676

By:

Atanassov, Krassimir;
Angelova, Nora;
Atanassova, Vassia;
Papadopoulos, Basil

Publication type:

Article

Cuckoo Search Algorithm for Model Parameter Identification.

Published in:

International Journal Bioautomation, 2016, v. 20, n. 4, p. 483

By:

Roeva, Olympia;
Atanassova, Vassia

Publication type:

Article

Blood Plasma Thermograms Dataset Analysis by Means of InterCriteria and Correlation Analyses for the Case of Colorectal Cancer.

Published in:

International Journal Bioautomation, 2016, v. 20, n. 1, p. 115

By:

Todinova, Svetla;
Mavrov, Deyan;
Krumova, Sashka;
Marinov, Pencho;
Atanassova, Vassia;
Atanassov, Krassimir;
Taneva, Stefka G.

Publication type:

Article

Cuckoo search and firefly algorithms in terms of generalized net theory.

Published in:

Soft Computing - A Fusion of Foundations, Methodologies & Applications, 2020, v. 24, n. 7, p. 4877, doi. 10.1007/s00500-019-04241-7

By:

Roeva, Olympia;
Zoteva, Dafina;
Atanassova, Vassia;
Atanassov, Krassimir;
Castillo, Oscar

Publication type:

Article

A Hybrid Approach for Modular Neural Network Design Using Intercriteria Analysis and Intuitionistic Fuzzy Logic.

Published in:

Complexity, 2018, p. 1, doi. 10.1155/2018/3927951

By:

Sotirov, Sotir;
Sotirova, Evdokia;
Atanassova, Vassia;
Atanassov, Krassimir;
Castillo, Oscar;
Melin, Patricia;
Petkov, Todor;
Surchev, Stanimir

Publication type:

Article

InterCriteria Analysis of the Global Competitiveness Reports: From Efficiency- to Innovation-driven Economies.

Published in:

Journal of Multiple-Valued Logic & Soft Computing, 2018, v. 31, n. 5-6, p. 469

By:

ATANASSOVA, VASSIA;
DOUKOVSKA, LYUBKA;
KACPRZYK, ALEKSANDER;
SOTIROVA, EVDOKIA;
RADEVA, IRINA;
VASSILEV, PETER

Publication type:

Article

COMMERCIAL AND LABORATORY EXPERIENCE WITH CATALYTIC CRACKING OF STRAIGHT RUN HYDROTREATED VACUUM GAS OIL AND H-OIL GAS OILS.

Published in:

Journal of Chemical Technology & Metallurgy, 2022, v. 57, n. 2, p. 215

By:

Stratiev, Dicho;
Shishkova, Ivelina;
Ivanov, Mihail;
Petrov, Ivan;
Atanassova, Vassia;
Ribagin, Simeon;
Atanassov, Krassimir;
Toteva, Vesislava;
Stratiev, Danail

Publication type:

Article

A Mathematical Model of a Fair Blood Allocation Framework for the Transfusion Haematology System of Bulgaria.

Published in:

Mathematics (2227-7390), 2025, v. 13, n. 7, p. 1062, doi. 10.3390/math13071062

By:

Atanassova, Vassia;
Vassilev, Peter;
Umlenski, Ivo;
Andreev, Nikolay;
Atanassov, Krassimir

Publication type:

Article

The Generalized Nets Transitions Representability Problem: Extension with Boundary Cases and Minimal Solution.

Published in:

International Journal of Intelligent Systems, 2014, v. 29, n. 3, p. 266, doi. 10.1002/int.21640

By:

Atanassova, Vassia

Publication type:

Article

Application of the Intuitionistic Fuzzy InterCriteria Analysis Method with Triples to a Neural Network Preprocessing Procedure.

Published in:

Computational Intelligence & Neuroscience, 2017, p. 1, doi. 10.1155/2017/2157852

By:

Sotirov, Sotir;
Atanassova, Vassia;
Sotirova, Evdokia;
Doukovska, Lyubka;
Bureva, Veselina;
Mavrov, Deyan;
Tomov, Jivko

Publication type:

Article

Investigation of relationships between bulk properties and fraction properties of crude oils by application of the intercriteria analysis.

Published in:

Petroleum Science & Technology, 2016, v. 34, n. 13, p. 1113, doi. 10.1080/10916466.2016.1188114

By:

Stratiev, Dicho S.;
Sotirov, Sotir;
Shishkova, Ivelina;
Nedelchev, Angel;
Sharafutdinov, Ilshat;
Vely, Anife;
Mitkova, Magdalena;
Yordanov, Dobromir;
Sotirova, Evdokia;
Atanassova, Vassia;
Atanassov, Krassimir;
Stratiev, Danail D.;
Rudnev, Nikolay;
Ribagin, Simeon

Publication type:

Article

Different Nonlinear Regression Techniques and Sensitivity Analysis as Tools to Optimize Oil Viscosity Modeling.

Published in:

Resources (2079-9276), 2021, v. 10, n. 10, p. 99, doi. 10.3390/resources10100099

By:

Stratiev, Dicho;
Nenov, Svetoslav;
Nedanovski, Dimitar;
Shishkova, Ivelina;
Dinkov, Rosen;
Stratiev, Danail D.;
Stratiev, Denis D.;
Sotirov, Sotir;
Sotirova, Evdokia;
Atanassova, Vassia;
Atanassov, Krassimir;
Yordanov, Dobromir;
Angelova, Nora A.;
Ribagin, Simeon;
Todorova-Yankova, Liliana

Publication type:

Article

Comparison of Empirical Models to Predict Viscosity of Secondary Vacuum Gas Oils.

Published in:

Resources (2079-9276), 2021, v. 10, n. 8, p. 82, doi. 10.3390/resources10080082

By:

Stratiev, Dicho S.;
Nenov, Svetoslav;
Shishkova, Ivelina K.;
Dinkov, Rosen K.;
Zlatanov, Kamen;
Yordanov, Dobromir;
Sotirov, Sotir;
Sotirova, Evdokia;
Atanassova, Vassia;
Atanassov, Krassimir;
Stratiev, Danail D.;
Todorova-Yankova, Liliana

Publication type:

Article

Evaluation of the Different Compatibility Indices to Model and Predict Oil Colloidal Stability and Its Relation to Crude Oil Desalting.

Published in:

Resources (2079-9276), 2021, v. 10, n. 8, p. 75, doi. 10.3390/resources10080075

By:

Shishkova, Ivelina K.;
Stratiev, Dicho S.;
Tavlieva, Mariana P.;
Dinkov, Rosen K.;
Yordanov, Dobromir;
Sotirov, Sotir;
Sotirova, Evdokia;
Atanassova, Vassia;
Ribagin, Simeon;
Atanassov, Krassimir;
Stratiev, Danail D.;
Todorova-Yankova, Liliana;
Nenov, Svetoslav

Publication type:

Article

Empirical Models to Characterize the Structural and Physiochemical Properties of Vacuum Gas Oils with Different Saturate Contents.

Published in:

Resources (2079-9276), 2021, v. 10, n. 7, p. 71, doi. 10.3390/resources10070071

By:

Stratiev, Dicho S.;
Shishkova, Ivelina K.;
Dinkov, Rosen K.;
Petrov, Ivan P.;
Kolev, Iliyan V.;
Yordanov, Dobromir;
Sotirov, Sotir;
Sotirova, Evdokia;
Atanassova, Vassia;
Ribagin, Simeon;
Atanassov, Krassimir;
Stratiev, Danail D.;
Nenov, Svetoslav;
Todorova-Yankova, Liliana;
Zlatanov, Kamen

Publication type:

Article

Empirical Modeling of Viscosities and Softening Points of Straight-Run Vacuum Residues from Different Origins and of Hydrocracked Unconverted Vacuum Residues Obtained in Different Conversions.

Published in:

Energies (19961073), 2022, v. 15, n. 5, p. 1755, doi. 10.3390/en15051755

By:

Stratiev, Dicho;
Nenov, Svetoslav;
Nedanovski, Dimitar;
Shishkova, Ivelina;
Dinkov, Rosen;
Stratiev, Danail D.;
Stratiev, Denis D.;
Sotirov, Sotir;
Sotirova, Evdokia;
Atanassova, Vassia;
Ribagin, Simeon;
Atanassov, Krassimir;
Yordanov, Dobromir;
Angelova, Nora A.;
Todorova-Yankova, Liliana

Publication type:

Article

Crude Slate, FCC Slurry Oil, Recycle, and Operating Conditions Effects on H-Oil ® Product Quality.

Published in:

Processes, 2021, v. 9, n. 6, p. 952, doi. 10.3390/pr9060952

By:

Stratiev, Dicho Stoyanov;
Shishkova, Ivelina Kostova;
Dinkov, Rosen Kocev;
Petrov, Ivan Petrov;
Kolev, Iliyan Venkov;
Yordanov, Dobromir;
Sotirov, Sotir;
Sotirova, Evdokia Nikolaeva;
Atanassova, Vassia Krassimirova;
Ribagin, Simeon;
Atanassov, Krassimir Todorov;
Stratiev, Danail Dichev;
Nenov, Svetoslav

Publication type:

Article

Catalytic Cracking of Diverse Vacuum Residue Hydrocracking Gas Oils.

Published in:

Chemical Engineering & Technology, 2021, v. 44, n. 6, p. 997, doi. 10.1002/ceat.202000577

By:

Stratiev, Dicho;
Shishkova, Ivelina;
Ivanov, Mihail;
Dinkov, Rosen;
Georgiev, Borislav;
Argirov, Georgi;
Atanassova, Vassia;
Vassilev, Petar;
Atanassov, Krassimir;
Yordanov, Dobromir;
Popov, Aleksey;
Padovani, Alessia;
Hartmann, Ulrike;
Nenov, Svetoslav

Publication type:

Article

INVESTIGATION OF RELATIONS OF PROPERTIES OF STRAIGHT RUN AND H-OIL UNCONVERTED VACUUM RESIDUAL OILS.

Published in:

Petroleum & Coal, 2019, v. 61, n. 4, p. 763

By:

Stratiev, Dicho;
Shishkova, Ivelina;
Nikolaychuk, Ekaterina;
Atanassova, Vassia;
Atanassov, Krassimir

Publication type:

Article