Assoc. Prof. Ludmila Todorova, PhD | Publications

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Papers in international journals

  1. Todorova, L., Ignatova, V., Vassilev, P., Surchev, J. Generalized Net Model of Computer Based Registration and Rehabilitation of Cognitive Impairments in Multiple Sclerosis. Lecture Notes in Networks and Systems, 338 LNNS, pp. 397-407, 2022
  2. Lubich, M., Papazov, V., Popov, E., Georgieva, R., Dmitrenko, D., Bojkov, B., … & Atanassov, K. T. (2022). A Generalized Net Model of the Prostate Gland’s Functioning. Mathematics, 10(3), 479, EISSN 2227-7390
  3. Valentina Ignatova, Lyudmila Todorova, Lyubomir Haralanov. Exogenous temporal factors for stroke onset. Comptes rendus de l’Acade’mie bulgare des Sciences, 2021, Vol 74, No9, pp.1397-1405; ISSN 13101331, DOI 10.7546/CRABS.2021.09.16
  4. Tzanov, V., Todorova, L., Zoteva, D., Dukovska, L. Generalized Net Model Raw Materials Loading and Transportation Processes of Open Construction Sites Tzanov, V., Todorova, L., Zoteva, D., Doukovska, L. 2021 Advances in Intelligent Systems and Computing, 1081 AISC, pp. 174-183
  5. Vassilev P., L. Todorova, E. Marinov. On Intuitionistic Fuzziness. Research in Computer Science in the Bulgarian Academy of Sciences. Studies in Computational Intelligence, Springer, 2021, vol. 934, 227-254. ISBN 978-3-030-72283-8, ISSN 1860-949X
  6. Ignatova, V.; Todorova, L. Computer-Based Rehabilitation of Cognitive Impairments in Patients with Multiple Sclerosis. Lecture Notes in Networks and Systems, 374 LNNS, pp. 39-49, Springer, Cham, 2022.
  7. ZOTEVA, Dafina, et al. Generalized Net Model of Cyber-Control of the Firm’s Dumpers and Crushers. In: Digital Transformation, Cyber Security and Resilience of Modern Societies. Springer, Cham, 2021, 245-253.
  8. Todorova, L., Ignatova, V., & Surchev, J. Computerized neuropsychological test battery CogniSoft for assessment of cognition in patients with multiple sclerosis. INT. J. BIOAUTOMATION, 2020, 24(4), 371-380
  9. Ignatova V., Surchev J., Stoyanova Ts., Vassilev P., Haralanov L, Todorova L. Social cognition impairments in patients with multiple sclerosis. Comparison with grade of disability. Neurology India, 2020, 68(1), 94-98
  10. P. Vassilev, L. Todorova. (2019) Miltiplicatively equivalent intuitionistic fuzzy sets. Notes on Intuitionistic Fuzzy Sets, Volume 25 (2019), Number 2, 25–28, ISSN 1310-4926
  11. Ignatova V, Todorova L, Stoyanova T, Haralanov L, Surchev J. Depression and Anxiety in Patients with Multiple Sclerosis. Comparison with Grade of Disability. Comptes rendus de l’Acade’mie bulgare des Sciences, 2019, Vol 72, No10, pp.1433-1440; DOI: 10.7546/CRABS.2019.10.17
  12. Surchev J, L Todorova, V Ignatova. Intraventricular intraoperative prophylaxis with vancomycin – a factor for reducing infections in shunt operations. Comptes rendus de l’Acade’mie bulgare des Sciences, 2019, Vol 72, No11, pp. 1585-1591; DOI:10.7546/CRABS.2019.11.17
  13. Mermeklieva, E., Cherninkova, S., Chernodrinska, V., Solakov, D., Grozeva, G., Tomova, M., & Todorova, L. (2019). Combined electrophysiological method for early diagnostics of functional changes in the visual analyzer in patients with diabetes mellitus without diabetic retinopathy. Comptes rendus de l’Acade’mie bulgare des Sciences, 72(5), 674-682.
  14. Mermeklieva, E., Grozeva, G., Tomova, M., Solakov D, Haralanov L, Damianov V, Asenova, R., Todorova, L. A comparison of the electrophysiological tests of the visual analyzer indicators and the duration of diabetes mellitus, 2018, General Medicine, 20(2), pp. 33-36, ISSN:1311-1817
  15. Surchev, J. K., Nachev, S., Todorova, L. P., Marinov, M. (2018). Optic Nerve Glioma in Two Sisters with Family History of Neurofibromatosis Type 1. Journal of Neurological Surgery Part A: Central European Neurosurgery, 79(03), 268-272. ISSN: 2193-6315
  16. Mermeklieva, E., Cherninkova, S., Grozeva, G., Tomova, M., Solakov, D., Haralanov, L., Tankova, Ts., Todorova, L., Damianos, V., Asenova, R. Combined electrophysiological method for early diagnostics of functional changes in the optical analyzer in human with newly-diagnosed diabetes mellitus. General Medicine, 19(4), 2017, 3-8, ISSN:1311-1817 5
  17. Vassilev P, Ribagin S, Todorova L. On an aggregation of expert value assignments using index matrices. Notes on Intuitionistic Fuzzy Sets, Vol. 23, 2017, No. 4, 75–78 Online ISSN 2367–8283, Print ISSN 1310–4926
  18. Todorova, Lyudmila, Peter Vassilev, and Jivko Surchev. “Using phi coefficient to interpret results obtained by intercriteria analysis.” Novel Developments in Uncertainty Representation and Processing. Springer, Cham, 2016. 231-239. ISBN: 978-3-319-26210-9, http://link.springer.com/chapter/10.1007/978-3-319-26211-6_20
  19. Ignatova V, Todorova L, Surchev J. Social Cognition Impairments in Patients with Multiple Sclerosis and Comparison with Imaging Studies, Disease Duration and Grade of Disability. In: Gonzalez-Quevedo A (ed), Trending Topics in Multiple Sclerosis, In Tech, 2016;10:227-55. ISBN 978-953-51-2656-0, Published 2016-09-08, DOI: 10.5772/63465
  20. Todorova, L., V. Ignatova, S. Hadjitodorov, P. Vassilev. Generalized Net Model for Monitoring the Degree of Disability in Patients With Multiple Sclerosis Based on Neurophysiologic Criteria. In: Imprecision and Uncertainty in Information Representation and Processing. Springer, Cham, 2016. p. 289-303. ISBN 978-3-319-26301-4 ISBN 978-3-319-26302-1 (eBook) DOI 10.1007/978-3-319-26302-1
  21. Vassilev, P., L. Todorova, V. Andonov. An auxiliary technique for InterCriteria Analysis via a three dimensional index matrix. Notes on Intuitionistic Fuzzy Sets, 21, 2015, No2, 71-76. ISSN 1310-4926
  22. Vassilev, P., L. Todorova, J. Surchev. Determining Intuitionistic Fuzzy Estimates for Decision Making in Medical Tasks. Notes on Intuitionistic Fuzzy Sets, 20, 2014, No5, 62-68.
  23. Vassilev, P., L. Todorova, K. Kosev. Note on the (, )-coherence relation, defined over Intuitionistic Fuzzy Sets. Notes on Intuitionistic Fuzzy Sets, 20. 2014, No4, 7-9.
  24. Todorova, L., V. Ignatova, S. Hadjitodorov, P. Vassilev. Generalized Net Model for Monitoring the Degree of Disability in Patients with Multiple Sclerosis Based on Neurophysiologic Criteria. Studies in Fuzziness and Soft Computing, ISSN: 1434-9922
  25. Surchev J., L. Todorova. Prognostic value of the interval from implantation to first revision for the number of following complications in shunt dependent patients. Comptes rendus de l’Académie bulgare des Sciences, 67, 2014, No9, 1287-1294, 1025-1032
  26. Ignatova V., L. Todorova, L. Haralanov, M. Matveev. Multimodal evoked potentials in the monitoring of multiple sclerosis. Comptes rendus de l’Académie bulgare des Sciences, 67, 2014, No7, 1025-1032
  27. Todorova L., P. Vassilev., V. Ignatova. A Generalized Net Model for Assessment of the Degree of Disability in Patients with Multiple Sclerosis based on the Abnormalities of Visual Evoked Potentials. Issues in IFS and GNs, Vol. 10, 2013, 173—182, ISBN 978-83-61551-08-9
  28. Jivko Surchev, Lyudmila Todorova, Asen Hadjiianev. Mathematical Index for Comparing the Survival of Homogenous Groups of Ventricular Shunts. Comptes rendus de l’Académie bulgare des Sciences, 66, 2013, No8, 1211-1217
  29. Lyudmila Todorova, L.,  P. Vassilev, M. Matveev, V. Krasteva, I. Jekova, S. Hadjitodorov, G. Georgiev, S. Milanov. Generalized Net Model of a Protocol for Weaning from Mechanical Ventilation. Comptes rendus de l’Académie bulgare des Sciences, 66, 2013, No10, 1385-1393
  30. Ignatova, V., L. Todorova, L. Haralanov, M. Matveev. Dynamic Changes of Visual Evoked Potentials and Brainstem Auditory Evoked Potentials in Patients with Multiple Sclerosis. Comptes rendus de l’Académie bulgare des Sciences, 66, 2013, №4, 611-616.
  31. M. Matveev, V. Krasteva, I. Jekova, G. Georgiev, L. Todorova, R. Prokopova. Monitoring of the weaning process in patients with successful outcome after mechanical ventilation. Intensive Care Medicine, Suppl. 1, vol. 38, Oct. 2012:P0228.
  32. M. Matveev, V. Krasteva, I. Jekova, G. Georgiev, R. Prokopova, S. Milanov, L. Todorova. Profile of the Autonomic Cardiac Control in Patients Who Are not Considered Ready for Weaning from Mechanical Ventilation. Computing in Cardiology 2012;39:625-628.
  33. Hadjitodorov S., L. Todorova. Consultation System for Determining the Patients’ Readiness for Weaning from Long-Term Mechanical Ventilation, Comput Methods Programs Biomed, 2010, 100(1):59-68, ISSN: 0169-2607
  34. Todorova L., P. Vassilev, E. Szmidt, S. Hadjitodorov1. Spatial interpretation of Operators over Intuitionistic Fuzzy Sets. Issues in Intuitionistic Fuzzy Sets and Generalized Nets, Vol. 8, 2010, 8-18. ISBN 978-83-88311-86-4
  35. Todorova L., P. Georgiev, P. Vassilev, E. Szmidt. A GN model for simultaneous calculation of estimates for pattern recognition problems in medicine. A Survey of Generalized Nets (E.Y.H. Choy, M. Krawczak, A. Shannon, E. Szmidt, Eds.), Raffles KvB Monograph №10, Sydney, 2007, 141-165. ISBN 0-9578457-8-2
  36. Todorova L., P. Vassilev, P. Georgiev. Generalized net model of aggregation algorithm for intuitionistic fuzzy estimates of classification. Issues in Intuitionistic Fuzzy Sets and Generalized Nets, Vol. 5, 2007, 54-63. ISBN 987-83-88311-90-1
  37. Todorova L., K. Atanassov,E. Szmidt, J. Kacprzyk. Intuitionistic Fuzzy Generalized Net for Decision Making with Voronoi’s Diagrams. Issues in Intuitionistic Fuzzy Sets and Generalized Nets,  Vol. 4, 2007, 15-26. ISBN 978-83-88311-86-4
  38. Hadjitodorov S., L. I. Kuncheva, L. P. Todorova. Moderate Diversity for Better Cluster Ensembles. Information Fusion Journal, Vol 7, 264-275, 2006.
  39. Todorova, L., A. Temelkov, MD. Weaning from long-term mechanical ventilation: a nonpulmonary weaning index. Journal of Clinical Monitoring and Computing : 2004; 18: 275 – 281. ISSN 1387-1307 (Print), ISSN 1573-2614 (Online).
  40. Atanassov, K., J. Kacprzyk, E. Szmidt, L. Todorova. On Separability of Intuitionistic Fuzzy Sets. Proc. of the 10-th Int. Fuzzy Systems Assoc. World Congress, Istanbul, June 30 – July 2, 2003, In:- Lecture Notes in Artificial Intelligence, Vol. 2715: Fuzzy Sets and Systems – IFSA 2003, Springer, Berlin, 2003, 285-292

Papers in Bulgarian journals

  1. Мермеклиева Е., Чернинкова С., Грозева Г., Томова М., Солаков Д., Хараланов Л., Танкова Цв., Тодорова Л., Дамянов В., Асенова Р. Комбиниран електрофизиологичен метод за ранна диагностика на функционални промени в зрителния анализатор при болни с новооткрит захарен диабет. Обща медицина, 2017, 19(4), 3-8.
  2. В. Игнатова, Л. Тодорова, Ц. Стоянова. „Настроение, поведение и комуникация при пациенти с множествена склероза”. Българска психология, 2015; 1 (4): 329-334
  3. Ignatova V., L. Haralanov, Todorova L., М. Matveev. Somatosensory evoked potentials (SSEP) in monitoring of multiple sclerosis.comparison with dysability and MRI. Bulgarian Neurology, 2014, 15(1), 26-30, ISSN 1311-8641
  4. Тодорова Л, Ж. Сурчев, П. Василев. Интуиционистки размит подход за оценяване преживяемостта на групи вентрикулни шънтове. Annual of “Informatics” Section Union of Scientists in Bulgaria, 6, 2013, 26−31, ISSN 1313-6852
  5. Ж. Сурчев, Ю. Тодоров, А. Хаджиянев, Хр. Рангелов, Д. Нешев, А. Уилям, Р. Исакова, Л. Тодорова. Извънредно рядък случай на препонтинен хроничен субдурален хематом Сборник научни трудове XXII-ра Национална конференция по неврохирургия, 24-26 октомври 2013, Велинград, 60-66
  6. Ж.Сурчев, К.Георгиев, А.Уилям, А.Хаджиянев, Д. Фердинандов, Л. Тодорова. Промени в разпространението на различните тумори в задна черепна ямка при деца за последните 30 години. Сборник научни трудове XXII-ра Национална конференция по неврохирургия, 24-26 октомври 2013, Велинград, 53-60
  7. Jekova I., Krasteva V., Georgiev G., Todorova L., Vassilev P., Matveev M. Decision Support System for Prediction of the Weaning Outcome from Mechanical Ventilation. Annual Journal of Electronics, 7 (1), 2013, 60-63, ISSN 1314-0078.
  8. Jekova, I. I., V. T. Krasteva, G. Z. Georgiev, L. P. Todorova, P. M. Vassilev and M. G. Matveev. Measurements on Ventilatory Signals during Volume Controlled and Pressure Support Ventilation to Predict the Weaning Outcome. Annual Journal of Electronics, 2012, 6(1), 27-30, ISSN 1314-0078
  9. Haralanov, L., V. Ignatova, L. Todorova. Clinico-Electrophysiological and MRI Comparisons of Visual and Brainstem Audutory Evoked Potentials in Patientes with Multiple Sclerosis. Bulgarian Neurology, 2012, 12(1), 30-34, ISSN 1311-8641
  10. Todorova L., Vassilev P. Algorithm for Clustering Data Set Represented by Intuitionistic Fuzzy Estimates. Bioautomation International Journal, Vol. 14(1), 2010, 61-68.
  11. Todorova L., Vassilev P. Application of К-Nearest Neighbor Rule in the Case of Intuitionistic Fuzzy Sets for Pattern Recognition, Bioautomation International Journal, Vol. 13 (4), 2009, 265-270, ISSN 1313-261X
  12. Todorova L., P. Vassilev, A note on a geometric interpretation of the intuitionistic fuzzy set operators Pα,β and Qα,β . Notes on Intuitionistic Fuzzy Sets, Banska Bystrica, Slovakia, 19 October 2009, vol. 15 (4), 25-29, ISSN 1310-4926
  13. Todorova L. Determining the specificity, sensitivity, positive and negative predictive values in intuitionistic fuzzy logic. Notes on Intuitionistic Fuzzy Sets, 2008, vol 14 (2), 73-79.
  14. Todorova L., K. Atanassov, S. Hadjitodorov, P. Vassilev. On an Intuitionistic Fuzzy Approach for Decision Making in Medicine: Part 2. Bioautomation International Journal, Vol. 7, 2007, 64-69.
  15. Georgiev P., L.Todorova, P. Vassilev. Generalized net model of algorithm for intuitionistic fuzzy estimations. Notes on Intuitionistic Fuzzy Sets, 2007, vol 13 (2), 61-70. ISSN 1310-4926
  16. Todorova L., K. Atanassov, S. Hadjitodorov, P. Vassilev. On an Intuitionistic Fuzzy Approach for Decision Making in Medicine: Part 1. Bioautomation International Journal, Vol. 6, 2007, 92-101.
  17. Temelkov, A., Deseva, B., Stanchev, St., Lazarov, M., Todorova, L. Приложение на Pressure Support Ventilation при отвикване от продължителна механична вентилация. Анестезиология и интензивно лечение, 31 (4), 2004, 17-22.
  18. Todorova L., K. Atanassov. An example for a difference between ordinary (crisp), fuzzy and intuitionistic fuzzy sets. Notes on Intuitionistic Fuzzy Sets, 2002, vol 8 (3), 31-33.
  19. Темелков Ат., Б. Десева, Ат. Костов, М. Лазаров, Ст. Малюков, Л. Тодорова, Ст. Хаджитодоров. Небелодробни показатели в процеса на преход към спонтанно дишане след продължителна механична вентилация. Анестезиология и интензивно лечение, vol. 4, 2001, 3-9.

Communications at international conferences abroad

  1. Ignatova V., L. Todorova, L. Haralanov. Somatosensory evoked potentials and brainstem auditory evoked potentials in assessment of brainstem dysfunction in multiple sclerosis. Comparison with MRI. Journal of the Neurological Sciences, 333 (1) , e640, October 15, 2013
  2. Ignatova V., Ts. Stoyanova, L. Todorova, L. Haralanov. Impact of depression and fatigue on cognitive function in multiple sclerosis. Multiple Sclerosis Journal, 2013; 19: (7), 985-986, ISSN 1352-4585
  3. Ignatova V. L. Todorova, Ts. Stoyanova. Reading the mind in patients with multiple sclerosis. Are the impaired cognitive social skills related with symptoms of mood disorder? Folia medica, 2014, 56 (1), 31-32, ISSN 0204-8043
  4. Surchev, J., L. Todorova K. Georgiev, A. Hadjzhiyanev, D. Ferdinandov. Shunt-depending patients with infantile hydrocephalus – today on age over 20 years (ISPN from September 29 to October 3, 2013 in Mainz, Germany)
  5. G. Georgiev, L. Todorova, M. Matveev, St. Milanov. Extending the challenge beyong spontaneous breathing trial. Accepted poster presentation at the 11th Congress of the World Federation of Societies of Intensive & Critical Care Medicine, 28 Aug 1 Sept 2013, Durban, South Africa.
  6. Todorova, L., P. Vassilev, J. Surchev. Diagnostic method before implantation of cerebrospinal fluid draining shunt in infants. A generalized net model. 13-th International Workshop on Generalized Nets, 77-82, London, 29 October, 2012, ISSN 1313-6860.
  7. Surchev, J., L. Todorova, A. Hadjzhiyanev, K. Georgiev, A. William, M. Marinov. Mathematical index for comparing the survival of homogeneous groups ventricular shunts. 23-th ESPN Congress, Amsterdam, 1-5 May, 2012, Child’s Nerv Syst 28, №5, 803
  8. Surchev, J., L. Todorova, A. Hadjzhiyanev, K. Georgiev, A. William, M. Marinov. Correlation between the types of post-shunt complications and the duration of the interval to first revision. 23-th ESPN Congress, Amsterdam, 1-5 May, 2012, Child’s Nerv Syst 28, №5, 803
  9. Todorova, L., P. Vassilev, P. Hadjistoykov, J. Surchev. Application of intuitionistic fuzzy sets for more objective comparison of Kaplan-Meier curves. Intelligent Systems (IS), Proceedings of the 6th International IEEE Conference Intelligent Systems, Sept. 2012, 212 – 215, ISBN: 978-1-4673-2276-8
  10. Vassilev P., Todorova L. Geometric Interpretation and the Properties of Two New Operators over the Intuitionistic Fuzzy Sets, 11-th International Workshop on Generalized Nets, Intuitionistic Fuzzy Sets and Knowledge Engineering, 89-92, London, 9 July, 2010, ISSN 1313-6860.
  11. Todorova, L., S. Dantchev, K. Atanassov, V. Tasseva, P. Georgiev. On aggregating multiple fuzzy values into a single intuitionistic fuzzy estimate. Proceedings of the 3rd International IEEE Conference Intelligent Systems, 738-740, September 2006. ISBN 1-4244-01996-8
  12. Kuncheva L. I., Hadjitodorov S. T., Todorova L. P. Experimental comparison of cluster ensemble methods, Proc. FUSION 2006, Florence, Italy, 9-15 June, 2006, pp. 105-115 (CD-ROM Proceedings).
  13. Todorova, L., A. Temelkov, A. Antonov. GN model of transition to spontaneous breathing after long term mechanical ventilation. First East European Conference on Health Care Modelling and Computation, Romanis, 31 August- 2 September, 2005, 300-308. ISBN 973-7757-67-X.
  14. L. Todorova, I. Bentes, J. Barroso, A. Temelkov. A generalized net model of the treatment of mechanically ventilated patients with nosocomial pneumonia. Proc. of the 10th ISPE Int. Conf. on Concurrent Engineering “Advanced Design, Production and Management Systems”, 26-30 July 2003, Madeira, p.1057-1063
  15. Kuncheva, L., L. Todorova. Prototype Selection for an RBF Network by a Genetic Algorithm. Proceedings of the international ICSC Symposia on Intelligent Industrial Automation (IIA’96) and Soft Computing (SOCO’96), (P. Anderson and K. Warwick, Eds.), Reading, U.K., March 26-28, 1996, p. B100 – B106.

Communications at international conferences in Bulgaria

  1. Mermeklieva E., Todorova L., Solakov D., Matveev M. Оригинален метод за симултанно регистриране на патерни електроретинография и зрителни евокирани потенциали при българската популация. 16th National Congress of neurology with international participation. 18-21 May, 2017, Bulgarian Neurology, 18(1), 101
  2. Мермеклиева Е., Тодорова Л., Солаков Д., Матвеев М. Апробиране на патерната електроретинография като обективен електрофизиологичен метод при българската популация. 12ти Национален конгрес на Българското дружество по офталмология с международно участие 19-22 Окт. 2017, Български офталмологичен преглед, 2017,3, 84. Първа награда за най-добър постер на Конгреса.
  3. Ignatova, V, Tsv. Stoyanova, L. Todorova. Subjective perception of cognition in patients with multiple sclerosis. Comparison with objective cognitive functioning and level of depression. Сборник научни доклади от VIII национален конгрес по психология, София, 3.XI.-5.XI.2017 г., 43-50.
  4. В. Игнатова, Цв. Стоянова, Л. Хараланов, Л. Тодорова. „Праксис и неговият контрол върху екзекутивните функции при пациенти с мултиплена склероза”. В: Сборник доклади от Научна интердисциплинарна конференция с международно участие “Комуникативни и емоционално-поведенчески нарушения” – Нов Български университет, София, 12-14 декември 2014, 74-79.
  5. В. Игнатова, Л. Тодорова, Л. Хараланов. Времеви патерни при възникване на мозъчен инсулт. XV НАЦИОНАЛЕН КОНГРЕС ПО НЕВРОЛОГИЯ 2 – 5 юни 2016 г., х-л Интернационал, к.к. Златни пясъци. Постер 129, ПЪРВА ПОСТЕРНА СЕСИЯ „Мозъчно-съдови заболявания” 3 юни. Абстракт: Сп. Българска неврология, май 2016; 17 /1/: 87-88
  6. В. Игнатова, Цв. Стоянова, Л. Тодорова, В. Атанасова, Л. Хараланов. Социални когнитивни умения при пациенти с ранна болест на Паркинсон. XV НАЦИОНАЛЕН КОНГРЕС ПО НЕВРОЛОГИЯ 2 – 5 юни 2016 г., х-л Интернационал, к.к. Златни пясъци. Постер 202, ВТОРА ПОСТЕРНА СЕСИЯ „Дегенеративни и генетични заболявания” 3 юни. Абстракт: Сп. Българска неврология, май 2016; 17 /1/: 90
  7. Todorova L., V. Ignatova, L. Haralanov, Generalized net model for diagnosis of multiple sclerosis. Proc. of 12th Int. Workshop on Generalized Nets, 17 June 2012, Burgas, 32 -38
  8. Jekova, I., V. Krasteva, L. Todorova, P. Vassilev, G. Georgiev, M. Matveev. Monitoring of the Patient Feedback during Weaning Procedure from Mechanical Ventilation. Annual Journal of Electronics, 2011, 68-71, ISSN 1313-1842
  9. Vassilev P., L.Todorova. Generalized Net Model of a К-Nearest Neighbor Rule Pattern Recognition Algorithm for the Case of Intuitionistic Fuzzy Sets. Proceedings of the Tenth International Workshop on Generalized Nets (K, Atanassov and A. Shannon, Eds.), Sofia, 5 Dec. 2009, 8-13, ISSN 1313-6852
  10. Jekova I., I. Christov, L. Todorova. Difference-Based Parameter Set for Local Heartbeat Classification: Ranking of the Parameters. Proc. of 16-th Internat. Sci. Conf. “Electronics’2007”, Sozopol, Bulgaria, 19-21 September 2007, book 2, 49-54, ISSN 1313-1842.
  11. Todorova, L., A. Antonov. Intuitionistic fuzzy Voronoi Diagrams- definition and properties II. Proceedings of the Ninth International Conference on Intuitionistic Fuzzy Sets- part 2, Sofia, 7-8 May, pp. 88-90, 2005.
  12. Todorova, L., A. Antonov, St. Hadjitodorov. Intuitionistic fuzzy Voronoi Diagrams- definition and properties. Proceedings of the Eighth International Conference on Intuitionistic Fuzzy Sets- part 2, Varna, 20-21 June, pp. 56-60, 2004. ISSN 1310-4926
  13. Todorova L., J. Sorsich. Generalized net model of the mechanical ventilation process. Proceedings of the Second International Workshop on Generalized Nets, Sofia, 26-27 June, pp. 34-39, 2001
  14. Mitev, P., L. Todorova, I. Petrov, D. Doskov, K. Yankova. Methods for objective diagnostics of laryngeal pathology. Proc. International symposium and young scientistss’ school, Bioprocess systems’98, Sofia, Bulgaria, September 30-October 2, 1998, VIII.3-VIII.4.
  15. Doskov, D., K. Yankova, P. Mitev, L. Todorova. Computer consultation system for objective evaluation of the rehabilitation of esophageal patients. Proc. International symposium and young scientistss’ school, Bioprocess systems’98, Sofia, Bulgaria, September 30-October 2, 1998, VIII.1-VIII.2.

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