[1] Evgeniy Krastev, Petko Kovachev, Simeon Abanos, Dimitar Tcharaktchiev, Exchange of occupational health assessment summaries based on the EN 13606 standard, Annuaire de l’Université de Sofia “St. Kliment Ohridski”, Faculté de Mathématiques et Informatique, Vol. 111, 2024, pp. 139-152. DOI: 10.60063/GSU.FMI.111.139-152. (SCOPUS). (open access) | Cited by (1)
[2] Evgeniy Krastev, Ralitsa Krasteva, Mario Fazli, Dimitar Tcharaktchiev, Dementia and Alzheimer's Disease Prevalence in Bulgaria During 2018: Nationally Representative Study, In: Studies in Health Technology and Informatics, Volume 316: Digital Health and Informatics Innovation for Sustainable Health Care Systems, 2024, pp. 262-266. ISBN: 978-1-64368-533-5. DOI: 10.3233/SHTI240394. PMID: 39176723. (open access)
[3] Evgeniy Krastev, Petko Kovachev, Simeon Abanos, Ralitsa Krasteva, Dimitar Tcharaktchiev, Assessment of Pharmacology Costs in Diabetes Treatment Using OMOP CDM: A Nationally Representative Study, International Journal on Advances in Life Sciences, Vol. 16, no. 1 & 2, 2024, pp. 11-20. ISSN: 1942-2660. (open access) | Cited by (1)
[4] Evgeniy Krastev, Emanuil Markov, Simeon Abanos, Ralitsa Krasteva, Dimitar Tcharaktchiev, Mapping the Bulgarian Diabetes Register to OMOP CDM: Application Results, In: Studies in Health Technology and Informatics, Volume 313 (dHealth 2024), Vienna, Austria, 2024, pp. 28-33. ISBN: 978-1-64368-517-5. DOI: 10.3233/SHTI240007. PMID: 38682500. (SCOPUS, Web of Science, Q3, SJR 2024: 0.294). (open access) | Cited by (3)
[5] Simeon Abanos, Evgeniy Krastev, Petko Kovachev, Dimitar Tcharaktchiev, Modeling and Clinical Data Exchange in Registration of Infectious Disease Cases, Annual of Sofia University "St. Kliment Ohridski", Faculty of Mathematics and Informatics, Vol. 110, 2023, pp. 7-23. DOI: 10.60063/GSU.FMI.110.7-23. (SCOPUS). (open access)
[6] Evgeniy Krastev, Dimitar Tcharaktchiev, Petko Kovachev, Simeon Abanos, Occupational health assessment summary designed for semantic interoperability, International Journal of Medical Informatics, Vol. 178, 2023, 105207. ISSN: 1386-5056. DOI: 10.1016/j.ijmedinf.2023.105207. PMID: 37688835. (SCOPUS, Web of Science, Q1, SJR 2022: 1.197, IF: 4.9). (open access) | Cited by (3)
[7] Evgeniy Krastev, Dimitar Tcharaktchiev, Simeon Abanos, Application of OMOP Common Data Model for Data Integration: The Bulgarian Diabetes Register, In: Studies in Health Technology and Informatics, Volume 309: Telehealth Ecosystems in Practice (EFMI STC 2023), Turin, Italy, 2023, pp. 141-142. DOI: 10.3233/SHTI230761. PMID: 37869827. (SCOPUS, Web of Science, Q3, SJR 2023: 0.289). (open access) | Cited by (1)
[8] Evgeniy Krastev, Petko Kovachev, Simeon Abanos, Dimitar Tcharaktchiev, Common Data Model for Interoperability of Observational Health Data: Bulgarian Diabetes Register Pharmacology Case Study, In: The Twelfth International Conference on Global Health Challenges (GLOBAL HEALTH 2023), Porto, Portugal, 25-29 September 2023, pp. 25-31. ISSN: 2308-4553, ISBN: 978-1-68558-112-1. (open access) | Cited by (1) | Distinction: Best Paper Award
[9] Evgeniy Krastev, Simeon Abanos, Petko Kovachev, Dimitar Tcharaktchiev, Diabetes Prevalence and Duration Data Extracted from Outpatient Records Representative for the Bulgarian Population, In: Studies in Health Technology and Informatics, Volume 305: Healthcare Transformation with Informatics and Artificial Intelligence (ICIMTH 2023), Athens, Greece, 2023, pp. 230-233. DOI: 10.3233/SHTI230470. PMID: 37387004. (SCOPUS, Q3, SJR 2023: 0.289). (open access) | Cited by (4)
[10] Evgeniy Krastev, Dimitar Tcharaktchiev, Petko Kovachev, Simeon Abanos, Diabetes and Obesity in Bulgaria. Study of a Large Number of Outpatient Records from 2018, In: Studies in Health Technology and Informatics, Volume 295: Advances in Informatics, Management and Technology in Healthcare (ICIMTH 2022), Athens, Greece, 2022, pp. 298-301. DOI: 10.3233/SHTI220721. PMID: 35773867. (SCOPUS, Q3, SJR 2022: 0.285). (open access) | Cited by (2)
[11] Tony Boiadjiev, George Boiadjiev, Nikolay Stoimenov, Kamen Delchev, Rumen Kastelov, Experimental temperature evaluation during a robotized bone drilling process, Biotechnology & Biotechnological Equipment, Vol. 37, no. 1, 2023, pp. 117-125. DOI: 10.1080/13102818.2022.2160276. (Web of Science, Q3, IF: 2.12, SJR 2021: 0.38). (open access)
[12] Evgeniy Krastev, Simeon Abanos, Dimitar Tcharaktchiev, Health Data Exchange Based on Archetypes of Clinical Concepts, In: Proceedings of the Information Systems & Grid Technologies: Fifteenth International Conference (ISGT 2022), Sofia, Bulgaria, 27-28 May 2022, pp. 98-112. ISSN: 1613-0073 (CEUR-WS.org Vol. 3191). (SCOPUS, SJR 2022: 0.202). (open access) | Cited by (8)
[13] Petko Kovachev, Evgeniy Krastev, Dimitar Tcharaktchiev, Emanuil Markov, Ivan Evg. Ivanov, Conversion of Bulgarian Observational Data to OMOP Common Data Model: Initial Results, In: Proceedings of the Information Systems & Grid Technologies: Fifteenth International Conference (ISGT 2022), Sofia, Bulgaria, 27-28 May 2022, pp. 113-125. ISSN: 1613-0073 (CEUR-WS.org Vol. 3191). (SCOPUS, SJR 2022: 0.23). (open access)
[14] Ioannis Patias, Kalinka Kaloyanova, Digital health literacy and well-being of students at Sofia University – Bulgaria, European Journal of Public Health, Vol. 32, Suppl. 3, 2022, ckac129.712. DOI: 10.1093/eurpub/ckac129.712. (SCOPUS, Web of Science, Q1, IF: 4.424, SJR 2021: 0.98). (open access)
[15] Evgeniy Krastev, Petko Kovachev, Dimitar Tcharaktchiev, Simeon Abanos, Using QR Code for Uniform Representation of Content in Cross-Border Exchange of ePrescriptions in the EU, In: Studies in Health Technology and Informatics, Volume 281: Public Health and Informatics (MIE 2021), Athens, Greece, 2021, pp. 684-688. DOI: 10.3233/SHTI210259. PMID: 34042663. (SCOPUS, Q4, SJR 2021: 0.277). (open access) | Cited by (2)
[16] Maria Nisheva-Pavlova, Iliyan Mihaylov, Stoyan Hadzhiyski, Dimitar Vassilev, Ontology-Based Decision Support System for Dietary Recommendations for Type 2 Diabetes Mellitus, In: Computational Science – ICCS 2021, Lecture Notes in Computer Science, vol 12744, Springer, Cham, 2021, pp. 735-741. DOI: 10.1007/978-3-030-77967-2_61. (SCOPUS, Q3, IF: 1.36, SJR: 0.249).
[17] Tony Boiadjiev, George Boiadjiev, Kamen Delchev, Ivan Chavdarov, Roumen Kastelov, Orthopedic Bone Drilling Robot ODRO – basic characteristics and areas of applications, In: Medical Robotics, IntechOpen, 2021. ISBN: 978-3-902613-18-9. DOI: 10.5772/intechopen.96768. (Web of Science Core Collection (BKCI), Crossref, Google Scholar, WorldCat, BASE, EBSCO, Open AIRE, CNKI Scholar, RePEc, ExLibris SFX). (Web of Science, SJR: 0.101, IF: 0.02). (open access)
[18] Maria Nisheva-Pavlova, Stoyan Hadzhiyski, Iliyan Mihaylov, Dimitar Vassilev, Implementation of an ontology-based decision support system for dietary recommendations for diabetes mellitus, In: Proceedings of the Information Systems & Grid Technologies (ISGT 2021), Sofia, Bulgaria, 28-29 May 2021, pp. 144-154. ISSN: 1613-0073 (CEUR-WS.org Vol. 2933). (SCOPUS, SJR 2021: 0.18). (open access)
[19] Nikola Kirilov, Elena Kirilova, Evgeniy Krastev, Using Machine Learning to Predict Bone Mineral Density from Dual-energy X-ray Absorptiometry Images of the Lumbar Spine, In: Proceedings of the Information Systems & Grid Technologies (ISGT 2021), Sofia, Bulgaria, 28-29 May 2021, pp. 220-226. ISSN: 1613-0073 (CEUR-WS.org Vol. 2933). (SCOPUS, SJR 2021: 0.18). (open access)
[20] Kalinka Kaloyanova, Ina Naydenova, Zlatinka Kovacheva, Addressing Data Quality in Healthcare, In: Proceedings of the Information Systems & Grid Technologies (ISGT 2021), Sofia, Bulgaria, 28-29 May 2021, pp. 155-164. ISSN: 1613-0073 (CEUR-WS.org Vol. 2933). (SCOPUS, SJR 2021: 0.18). (open access)
[21] Iliyan Mihaylov, M. Kańduła, M. Krachunov, Dimitar Vassilev, A novel framework for horizontal and vertical data integration in cancer studies with application to survival time prediction models, Biology Direct, Vol. 14, no. 1, 2019, 22. DOI: 10.1186/s13062-019-0249-6. PMID: 31752974. PMCID: PMC6868770. Citations: 43 (SCOPUS, Q1, IF: 2.913, SJR: 1.52). (open access)
[22] Iliyan Mihaylov, Maria Nisheva, Dimitar Vassilev, Machine Learning Techniques for Survival Time Prediction in Breast Cancer, In: Artificial Intelligence: Methodology, Systems, and Applications (AIMSA 2018), Lecture Notes in Computer Science, vol 11089, Springer, Cham, 2018. DOI: 10.1007/978-3-319-99344-7_17. Citations: 22 (SCOPUS, Q3, IF: 1.36, SJR: 0.249). (open access)
[23] Iliyan Mihaylov, Maria Nisheva, Dimitar Vassilev, Application of Machine Learning Models for Survival Prognosis in Breast Cancer Studies, Information, Vol. 10, no. 3, 2019, 93. DOI: 10.3390/info10030093. Citations: 46 (SCOPUS, Web of Science, Q3, IF: 2.38, SJR: 0.35). (open access)
[24] K. Serafimova, Iliyan Mihaylov, Dimitar Vassilev, I. Avdjieva, P. Zielenkiewicz, S. Kaczanowski, Using Machine Learning in Accuracy Assessment of Knowledge-Based Energy and Frequency Base Likelihood in Protein Structures, In: Computational Science – ICCS 2020, Lecture Notes in Computer Science, vol 12139, Springer, Cham, 2020. DOI: 10.1007/978-3-030-50420-5_43. Citations: 2 (SCOPUS, Q3, IF: 1.36, SJR: 0.249). (open access)
[25] Iliyan Mihaylov, Maria Nisheva-Pavlova, Dimitar Vassilev, An Approach for Semantic Data Integration in Cancer Studies, In: Computational Science – ICCS 2019, Lecture Notes in Computer Science, vol 11538, Springer, Cham, 2019. DOI: 10.1007/978-3-030-22744-9_5. Citations: 2 (SCOPUS, Q3, IF: 1.36, SJR: 0.249). (open access)
[26] M. Zhelyazkova, R. Yordanova, I. Mihaylov, S. Kirov, S. Tsonev, D. Danko, C. Mason, D. Vassilev, Origin Sample Prediction and Spatial Modeling of Antimicrobial Resistance in Metagenomic Sequencing Data, Frontiers in Genetics, Vol. 12, 2021, 642991. DOI: 10.3389/fgene.2021.642991. PMID: 33763122. PMCID: PMC7983949. Citations: 1 (SCOPUS, Q2, IF: 4.27, SJR: 1.413). (open access)
[27] Simeon Abanos, Evgeniy Krastev, Dimitar Tcharaktchiev, Management of Clinical Concepts in Bulgarian Healthcare Using openEHR Specifications, In: The Ninth International Conference on Global Health Challenges (GLOBAL HEALTH 2020), Nice, France, 25-29 October 2020, pp. 3-4. ISBN: 978-1-61208-817-4, ISSN: 2308-4553. (open access | Paper PDF | Presentation | Demo Video) | Cited by (1)
[28] Evgeniy Krastev, Petko Kovachev, Dimitar Tcharaktchiev, Simeon Abanos, Primary Use Case Implementation of International Patient Summary on openEHR Platform, In: Proceedings of the 12th International Conference e-Health 2020 (EH 2020), Computer Science and Information Systems Series, Zagreb, Croatia, 21-23 July 2020, pp. 167-174. ISBN: 978-989-8704-18-4. DOI: 10.33965/eh2020_202009l021. (SCOPUS). (open access) | Cited by (1)
[29] Evgeniy Krastev, Dimitar Tcharaktchiev, Emanuil Markov, System of Criteria for Treatment Evaluation of Acromegaly in Bulgaria, In: Studies in Health Technology and Informatics, Volume 272, 2020, pp. 413-416. DOI: 10.3233/shti200583. PMID: 32604690. (SCOPUS, Q3, SJR 2019: 0.440). (open access)
[30] Evgeniy Krastev, Dimitar Tcharaktchiev, Petko Kovachev, Simeon Abanos, International Patient Summary Standard Based on Archetype Concepts, International Journal on Advances in Life Sciences, Vol. 12, no. 1 & 2, 2020, pp. 34-46. ISSN: 1942-2660. (SCOPUS, Q4, SJR 2019: 0.14). (open access) | Cited by (8)
[31] Dimitar Tcharaktchiev, Evgeniy Krastev, Patrick Petrossians, Simeon Abanos, Hristo Kyurkchiev, Petko Kovachev, Cross-Border Exchange of Clinical Data Using Archetype Concepts Compatible with the International Patient Summary, In: Studies in Health Technology and Informatics, Volume 270: Digital Personalized Health and Medicine (MIE 2020), Geneva, Switzerland, 2020, pp. 552-556. DOI: 10.3233/SHTI200221. PMID: 32570444. (SCOPUS, Q3, SJR 2020: 0.304). (open access) | Cited by (10)
[32] Maria Nisheva, Hristo Georgiev, Pavel Pavlov, Building a Semantic Repository for Outpatient Sheets, In: Proceedings of the Information Systems and Grid Technologies (ISGT 2020), Sofia, Bulgaria, 29–30 May 2020, pp. 14-29. ISSN: 1613-0073 (CEUR-WS.org Vol. 2656). (SCOPUS, SJR 2019: 0.18). (open access)
[33] Kalinka Kaloyanova, Modeling Data Consistency in Electronic Healthcare Based on Standards, In: Information and Communication Technologies in Organizations and Society (ICTO 2020), Springer, Paris La Défense, France, 2020. Publisher: Springer (Lecture Notes in Information Systems and Organization). (SCOPUS, SJR 2019: 0.13).
[34] Maria Nisheva-Pavlova, Stoyan Hadzhiyski, Iliyan Mihaylov, Irena Avdjieva, Dimitar Vassilev, Linking Data for Ontology Based Advising in Healthcare, In: 2020 International Conference Automatics and Informatics (ICAI), Varna, Bulgaria, 1-3 October 2020, pp. 1-5. Publisher: IEEE. DOI: 10.1109/ICAI50593.2020.9311382. (SCOPUS). (open access)
[35] Elena Kirilova, Nikola Kirilov, Svilen Todorov, Nikolay Nikolov, M. Nikolov, Evgeniy Krastev, Evaluation of Scoliotic Women with Osteoporosis of the Lumbar Spine Through DXA, Osteoporosis International, Vol. 31, Suppl. 1, 2020. ISSN: 0937-941X. DOI: 10.1007/s00198-020-05696-3. (SCOPUS, Web of Science, Q1, IF: 3.86, SJR 2019: 1.367). (open access)
[36] Nikola Kirilov, Elena Kirilova, Svilen Todorov, Nikolay Nikolov, Evgeniy Krastev, DXA for Assessment of Bone Mineral Density of Women with Lumbar Scoliosis, Osteoporosis International, Vol. 31, Suppl. 1, 2020. ISSN: 0937-941X. DOI: 10.1007/s00198-020-05696-3. (SCOPUS, Web of Science, Q1, IF: 3.86, SJR 2019: 3.917). (open access)
[37] Petko Kovachev, Evgeniy Krastev, Modelling and Management of ePrescriptions on openEHR Platform in Bulgarian eHealth, In: GLOBAL HEALTH 2020 (The Ninth International Conference on Global Health Challenges), Nice, France, 25-29 October 2020. ISSN: 2308-4553. (ThinkMind Open Access | Paper PDF | Presentation)
[38] Evgeniy Krastev, Dimitar Tcharaktchiev, Kalinka Kaloyanova, Lyubomir Kirov, Petko Kovachev, Simeon Abanos, Nonka Mateva, Standards Based Adaptation of Clinical Documents for Interoperability of e-Health Services, In: Proceedings of the Information Systems and Grid Technologies (ISGT 2020), Sofia, Bulgaria, 29–30 May 2020, pp. 14-29. ISSN: 1613-0073 (CEUR-WS.org Vol. 2656). (SCOPUS, SJR 2020: 0.177). (open access) | Cited by (6)
[39] Dimitar Tcharaktchiev, Evgeniy Krastev, Emanuil Markov, Ivan Ivanov, Semantic Interoperability of Medical Information Systems and Scientific Repositories, In: GLOBAL HEALTH 2020 (The Ninth International Conference on Global Health Challenges), Nice, France, 25-29 October 2020. ISSN: 2308-4553. (open access)
[40] Kalinka Kaloyanova, Improving Medical Data Modeling Using Standards, In: Knowledge, Languages, Models, INCOMA Ltd, 2020, pp. 122-129. ISBN: 978-954-452-062-5.
[41] Kalinka Kaloyanova, Evgeniy Krastev, Emanuela Mitreva, Extracting Data from General Practitioners' XML Reports in Bulgarian Healthcare to Comply with ISO/EN 13606, In: Proceedings of the 9th Balkan Conference on Informatics (BCI 2019), 2019, Article 3, pp. 1-5. Publisher: ACM. ISBN: 978-1-4503-7193-3. DOI: 10.1145/3351556.3351578. (SJR 2021: 0.23). (open access)
[42] Evgeniy Krastev, Dimitar Tcharaktchiev, Lyubomir Kirov, Petko Kovachev, Simeon Abanos, Alexandrina Lambova, Software Implementation of the EU Patient Summary with Archetype Concepts, In: Proceedings of the Eighth International Conference on Global Health Challenges (GLOBAL HEALTH 2019), Porto, Portugal, 22-26 September 2019, pp. 8-13. ISBN: 978-1-61208-742-9, ISSN: 2308-4553. (open access) | Cited by (5) | Distinction: Paper Invited for IARIA Journals
[43] Evgeniy Krastev, Petko Kovachev, Simeon Abanos, Knowledge management with openEHR server, Folia Medica, Vol. 61, Suppl. 1, 2019, pp. 72-73. ISSN (print): 0204-8043, ISSN (online): 1314-2143. (SCOPUS, Q3, SJR 2018: 0.311). (open access)
[44] Iliyan Mihaylov, Evgeniy Krastev, Maria Nisheva-Pavlova, Dimitar Vassilev, Data transformation of clinical records for integration with e-health information systems, Folia Medica, Vol. 61, Suppl. 1, 2019, p. 75. ISSN (print): 0204-8043, ISSN (online): 1314-2143. (SCOPUS, Q4, SJR 2018: 0.31).
[45] Svetla Boytcheva, Galia Angelova, Zhivko Angelov, Dimitar Tcharaktchiev, Vlaiko Vodenicharov, Integrating linked open data knowledge in risk factor analysis, Folia Medica, Vol. 61, Suppl. 1, 2019, p. 76. ISSN (print): 0204-8043, ISSN (online): 1314-2143. (SCOPUS, Q4, SJR 2018: 0.31).
[46] Dimitar Tcharaktchiev, The application of archetypes for structuring of electronic health records in clinical information systems, Folia Medica, Vol. 61, Suppl. 1, 2019, pp. 73-74. ISSN (print): 0204-8043, ISSN (online): 1314-2143.