1. 2025
  2. Methods of Automatic Selection of Named Entities (NER) in Uzbek Language for Text Tone Analysis

    Saidov, B. R., Barakhnin, V. B., Rixsibayev, U. T., Sobirov, O. O., Bekchanov, K. M. & Sharipov, E. J., 8 Aug 2025, International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM. IEEE Computer Society, p. 1740-1745 6 p. (International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  3. A comprehensive dataset and neural network approach for named entity recognition in the Uzbek language

    Mengliev, D., Barakhnin, V., Eshkulov, M., Ibragimov, B. & Madirimov, S., Feb 2025, In: Data in Brief. 58, 9 p., 111249.

    Research output: Contribution to journalArticlepeer-review

  4. 2024
  5. Development of an Algorithm for Converting JSON Formats to XML by Forming its File Data Structure

    Mukhitova, A., Yerimbetova, A., Barakhnin, V. & Daiyrbayeva, E., 11 Dec 2024, UBMK 2024 - Proceedings: 9th International Conference on Computer Science and Engineering. Institute of Electrical and Electronics Engineers Inc., p. 648-653 6 p. (UBMK 2024 - Proceedings: 9th International Conference on Computer Science and Engineering).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  6. Developing a Dictionary-Centric Named Entity Recognition System for Karakalpak Language

    Mengliev, D., Barakhnin, V., Sultonboyev, A., Ibragimov, B., Eshkulov, M. & Abdullayev, R., 27 Nov 2024, In: AIP Conference Proceedings. 3244, 1, 030044.

    Research output: Contribution to journalConference articlepeer-review

  7. Unveiling the Variance of Uzbek language: A Rule-Based Algorithm for Dialect Recognition

    Mengliev, D., Barakhnin, V., Madirimov, S., Ibragimov, B., Eshkulov, M. & Saidov, B., 27 Nov 2024, In: AIP Conference Proceedings. 3244, 1, 030012.

    Research output: Contribution to journalConference articlepeer-review

  8. A Computational Approach to Recognizing Poetry Genres in Uzbek Texts

    Mengliev, D. B., Barakhnin, V. B., Saidov, B. R., Atakhanov, M., Eshkulov, M. O. & Ibragimov, B. B., 26 Nov 2024, 2024 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2024. Institute of Electrical and Electronics Engineers Inc., p. 319-322 4 p. (2024 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2024).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  9. Development of a Legal Document Recognition Algorithm for the Karakalpak Language

    Mengliev, D. B., Barakhnin, V. B., Eshkulov, M. O., Allamov, O. T., Ibragimov, B. B. & Khudaybergenov, T. A., 26 Nov 2024, 2024 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2024. Institute of Electrical and Electronics Engineers Inc., p. 323-326 4 p. (2024 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2024).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  10. Towards Effective Named Entity Recognition in Uzbek Medical Contexts

    Mengliev, D. B., Barakhnin, V. B., Samandarova, B. S., Shamieva, N. A., Rakhmanova, U. U. & Ibragimov, B. B., 26 Nov 2024, 2024 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2024. Institute of Electrical and Electronics Engineers Inc., p. 294-298 5 p. (2024 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2024).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  11. Developing named entity recognition algorithms for Uzbek: Dataset insights and implementation

    Mengliev, D., Barakhnin, V., Abdurakhmonova, N. & Eshkulov, M., Jun 2024, In: Data in Brief. 54, 8 p., 110413.

    Research output: Contribution to journalArticlepeer-review

  12. Advancing Karakalpak Linguistics with Dictionary-Based Morphological Analysis: Implications for Text Correction Systems

    Mengliev, D. B., Barakhnin, V. B., Boltayev, N. R., Polatova, S. A., Eshkulov, M. O. & Ibragimov, B. B., 2024, International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM. IEEE Computer Society, p. 2380-2383 4 p. (International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  13. Building a Comprehensive Uzbek Lexicon: Bridging Dialects for Text Standardization

    Mengliev, D. B., Abdurakhmonova, N. Z., Barakhnin, V. B., Shirinova, R. K., Iskandarova, A. R. & Otemisov, A. Z., 2024, International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM. IEEE Computer Society, p. 2440-2444 5 p. (International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  14. Development and Realization of Software Application for Syntax Checking of Karakalpak Language Text

    Saidov, B. R., Barakhnin, V. B., Sharipov, E. J., Maksetbaev, A. B., Ruzimov, J. O. & Abdullayev, R. M., 2024, Proceedings of the IEEE 3rd International Conference on Problems of Informatics, Electronics and Radio Engineering, PIERE 2024. Institute of Electrical and Electronics Engineers Inc., p. 1580-1588 9 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  15. Development of an Algorithm for Automatic Analysis of Sentiment in School Essays of the Uzbek Language

    Mengliev, D. B., Abdurakhmonova, N. Z., Barakhnin, V. B., Iskandarova, A. R., Topildiyeva, F. R. & Akhmedov, E. Y., 2024, Proceedings of the IEEE 3rd International Conference on Problems of Informatics, Electronics and Radio Engineering, PIERE 2024. Institute of Electrical and Electronics Engineers Inc., p. 1570-1573 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  16. Development of Named Entity Recognition Model for Analysis of Oceanographic Texts in Uzbek Language

    Mengliev, D. B., Abdurakhmonova, N. Z., Barakhnin, V. B., Kuvondikova, G. I., Kadirova, Z. G. & Ibragimov, B. B., 2024, Proceedings - 4th International Conference on Technological Advancements in Computational Sciences, ICTACS 2024. Institute of Electrical and Electronics Engineers Inc., p. 1-5 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  17. Enhancing Sentiment Analysis in Uzbek Language Texts through Weighted Lexical Features

    Mengliev, D., Abdurakhmonova, N., Barakhnin, V., Vasliddinova, K., Rahimov, H. & Djalolova, K., 2024, International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM. IEEE Computer Society, p. 2450-2453 4 p. (International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices, EDM).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  18. Linguistic Nuances in Text Analysis: TF-IDF Metric's Algorithm Implementation for the Karakalpak Language Recognition

    Mengliev, D., Eshkulov, M., Barakhnin, V., Abdullayev, R., Boltayev, N. & Ibragimov, B., 2024, Proceedings - 2024 IEEE Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology, USBEREIT 2024. Institute of Electrical and Electronics Engineers Inc., p. 19-22 4 p. (Proceedings - 2024 IEEE Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology, USBEREIT 2024).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  19. Optimization of Database Operations in the Application for Text Corpus Analysis

    Barakhnin, V. B., Karpov, M. V., MacHikina, E. P. & Musasbayev, R. R., 2024, Proceedings - 2024 20th International Asian School-Seminar on Optimization Problems of Complex Systems, OPCS 2024. Institute of Electrical and Electronics Engineers Inc., p. 1-6 6 p. (Proceedings - 2024 20th International Asian School-Seminar on Optimization Problems of Complex Systems, OPCS 2024).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  20. 2023
  21. The Development of a Water Resource Monitoring Ontology as a Research Tool for Sustainable Regional Development

    Ospan, A., Mansurova, M., Barakhnin, V., Nugumanova, A. & Titkov, R., Nov 2023, In: Data. 8, 11, 162.

    Research output: Contribution to journalArticlepeer-review

  22. Rule-Based Syntactic Analysis for Uzbek Language: An Alternative Approach to Overcome Data Scarcity and Enhance Interpretability

    Mengliev, D. B., Barakhnin, V. B. & Ibragimov, B. B., Jul 2023, 24th IEEE International Conference of Young Professionals in Electron Devices and Materials, EDM 2023; Novosibirsk; Russian Federation; 29 June 2023 до 3 July 2023. Institute of Electrical and Electronics Engineers Inc., p. 1910-1915 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  23. Automating the Transition from Dialectal to Literary Forms in Uzbek Language Texts: An Algorithmic Perspective

    Mengliev, D. B., Abdurakhmonova, N., Hayitbayeva, D. & Barakhnin, V. B., 2023, Proceedings of the 2023 IEEE 16th International Scientific and Technical Conference Actual Problems of Electronic Instrument Engineering, APEIE 2023. Institute of Electrical and Electronics Engineers Inc., p. 1440-1443 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  24. Developing Rule-Based and Gazetteer Lists for Named Entity Recognition in Uzbek Language: Geographical Names

    Mengliev, D. B., Barakhnin, V. B., Atakhanov, M., Ibragimov, B. B., Eshkulov, M. & Saidov, B., 2023, Proceedings of the 2023 IEEE 16th International Scientific and Technical Conference Actual Problems of Electronic Instrument Engineering, APEIE 2023. Institute of Electrical and Electronics Engineers Inc., p. 1500-1504 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  25. Dictionary-Based Medical Text Analysis in Uzbek: Overcoming the Low-Resource Challenge

    Mengliev, D., Barakhnin, V., Eshkulov, M., Palvanov, B., Abdurakhmonova, N. & Khamraeva, S., 2023, 2023 IEEE Ural-Siberian Conference on Computational Technologies in Cognitive Science, Genomics and Biomedicine, CSGB 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 85-89 5 p. (2023 IEEE Ural-Siberian Conference on Computational Technologies in Cognitive Science, Genomics and Biomedicine, CSGB 2023 - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  26. Utilizing Lexicographic Resources for Sentiment Classification in Uzbek Language

    Mengliev, D. B., Akhmedov, E. Y., Barakhnin, V. B., Hakimov, Z. A. & Alloyorov, O. M., 2023, Proceedings of the 2023 IEEE 16th International Scientific and Technical Conference Actual Problems of Electronic Instrument Engineering, APEIE 2023. Institute of Electrical and Electronics Engineers Inc., p. 1720-1724 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  27. 2022
  28. Determination of the Features of the Author’s Style of A.S. Pushkin’s Poems by Machine Learning Methods

    Barakhnin, V., Kozhemyakina, O. & Grigorieva, I., 1 Feb 2022, In: Applied Sciences (Switzerland). 12, 3, 1674.

    Research output: Contribution to journalArticlepeer-review

  29. Design and Development of Pipeline of Preprocessing Tools for Kazakh Language Texts

    Mansurova, M., Barakhnin, V. B., Madiyeva, G., Kadyrbek, N. & Dossanov, B., 2022, Human Language Technology. Challenges for Computer Science and Linguistics - 9th Language and Technology Conference, LTC 2019, Revised Selected Papers. Vetulani, Z., Paroubek, P. & Kubis, M. (eds.). Springer, p. 129-142 14 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 13212 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  30. Self-Organization in Network Sociotechnical Systems

    Maltseva, S., Kornilov, V., Barakhnin, V. & Gorbunov, A., 2022, In: Complexity. 2022, 5714395.

    Research output: Contribution to journalReview articlepeer-review

  31. 2021
  32. Development of intellectual web system for morph analyzing of uzbek words

    Mengliev, D., Barakhnin, V. & Abdurakhmonova, N., 1 Oct 2021, In: Applied Sciences (Switzerland). 11, 19, 9117.

    Research output: Contribution to journalArticlepeer-review

  33. Named Entity Extraction Model Based on the Random Walk Method

    Mansurova, M., Barakhnin, V., Kyrgyzbayeva, M. & Kadyrbek, N., 28 Apr 2021, SIST 2021 - 2021 IEEE International Conference on Smart Information Systems and Technologies. Institute of Electrical and Electronics Engineers Inc., 9465992. (SIST 2021 - 2021 IEEE International Conference on Smart Information Systems and Technologies).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  34. Kaznewsdataset: Single country overall digital mass media publication corpus

    Yakunin, K., Kalimoldayev, M., Mukhamediev, R. I., Mussabayev, R., Barakhnin, V., Kuchin, Y., Murzakhmetov, S., Buldybayev, T., Ospanova, U., Yelis, M., Zhumabayev, A., Gopejenko, V., Meirambekkyzy, Z. & Abdurazakov, A., Mar 2021, In: Data. 6, 3, 31.

    Research output: Contribution to journalArticlepeer-review

  35. Technologies for automation creation of an ontology of urbanonyms in the aspect of historical changes (on the example of Almaty)

    Barakhnin, V., Mansurova, M., Dossanov, B. & Kyrgyzbayeva, M., 19 Jan 2021, In: Journal of Physics: Conference Series. 1727, 1, 012015.

    Research output: Contribution to journalConference articlepeer-review

  36. Моделирование энергопотребления в социотехнических системах с интеллектуальным оборудованием

    Vladimir, B. B., Svetlana, M. V., Konstantin, D. V. & Vasily, K. V., 2021, In: Journal of Computational Technologies. 26, 6, p. 4-19 16 p., 1.

    Research output: Contribution to journalArticlepeer-review

  37. 2020
  38. Modelling of process information dissemination and its impact dynamics to mass consciousness

    Fedotov, A., Barakнnin, V., Murzakhmetov, A. & Milyuk, I., 15 Dec 2020, In: Journal of Theoretical and Applied Information Technology. 98, 23, p. 3691-3702 12 p.

    Research output: Contribution to journalArticlepeer-review

  39. Creation of a Dependency Tree for Sentences in the Kazakh Language

    Akhmed-Zaki, D., Mansurova, M., Kadyrbek, N., Barakhnin, V. & Misebay, A., 2020, Computational Collective Intelligence - 12th International Conference, ICCCI 2020, Proceedings. Nguyen, N. T., Hoang, B. H., Huynh, C. P., Hwang, D., Trawinski, B. & Vossen, G. (eds.). Springer, p. 709-718 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12496 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  40. Development of Kazakh Named Entity Recognition Models

    Akhmed-Zaki, D., Mansurova, M., Barakhnin, V., Kubis, M., Chikibayeva, D. & Kyrgyzbayeva, M., 2020, Computational Collective Intelligence - 12th International Conference, ICCCI 2020, Proceedings. Nguyen, N. T., Nguyen, N. T., Hoang, B. H., Huynh, C. P., Hwang, D., Trawinski, B. & Vossen, G. (eds.). Springer, p. 697-708 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12496 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  41. 2019
  42. Methods to identify the destructive information

    Barakhnin, V. B., Mukhamedyev, R. I., Mussabaev, R. R., Yu Kozhemyakina, O., Issayeva, A., Kuchin, Y. I., Murzakhmetov, S. B. & Yakunin, K. O., 4 Dec 2019, In: Journal of Physics: Conference Series. 1405, 1, 012004.

    Research output: Contribution to journalConference articlepeer-review

  43. Word reordering algorithm for poetry analysis

    Barakhnin, V. B. & Pastushkov, I. S., 4 Dec 2019, In: Journal of Physics: Conference Series. 1405, 1, 012009.

    Research output: Contribution to journalConference articlepeer-review

  44. Development and implementation of the algorithm for automatic analysis of metrorhythmic characteristics of Russian poetic texts

    Barakhnin, V., Kozhemyakina, O. & Kuznetsova, I., 1 Jan 2019, In: CEUR Workshop Proceedings. 2523, 1 p.

    Research output: Contribution to journalConference articlepeer-review

  45. Named Entity Extraction from Semi-structured Data Using Machine Learning Algorithms

    Mansurova, M., Barakhnin, V., Khibatkhanuly, Y. & Pastushkov, I., 1 Jan 2019, Computational Collective Intelligence - 11th International Conference, ICCCI 2019, Proceedings. Nguyen, N. T., Chbeir, R., Exposito, E., Aniorté, P., Trawinski, B. & Nguyen, N. T. (eds.). Springer, p. 58-69 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11684 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  46. The design of the structure of the software system for processing text document corpus

    Barakhnin, V. B., Kozhemyakina, O. Y., Mukhamediev, R. I., Borzilova, Y. S. & Yakunin, K. O., 2019, In: Business Informatics. 13, 4, p. 60-72 13 p.

    Research output: Contribution to journalArticlepeer-review

  47. Проектирование информационной системы представления результатов комплексного анализа поэтических текстов

    Барахнин, В. Б., Kozhemyakina, O. Y. & Борзилова, Ю. С., 2019, In: Вестник Новосибирского государственного университета. Серия: Информационные технологии. 17, 1, p. 5-17 13 p.

    Research output: Contribution to journalArticlepeer-review

  48. 2018
  49. The algorithms for complex analysis of the corpuses of poetic texts in the Kazakh language

    Barakhnin, V. B., Kozhemyakina, O. Y., Bakiueva, A. M. & Sodboev, M. K., 27 Nov 2018, In: Journal of Physics: Conference Series. 1117, 1, 012003.

    Research output: Contribution to journalConference articlepeer-review

  50. The automatic processing of the texts in natural language. Some bibliometric indicators of the current state of this research area

    Barakhnin, V. B., Duisenbayeva, A. N., Kozhemyakina, O. Y., Yergaliyev, Y. N. & Muhamedyev, R. I., 27 Nov 2018, In: Journal of Physics: Conference Series. 1117, 1, 9 p., 012001.

    Research output: Contribution to journalConference articlepeer-review

  51. 2017
  52. Automated Determination of the Type of Genre and Stylistic Coloring of Russian Texts

    Barakhnin, V., Kozhemyakina, O. & Pastushkov, I., 2017, 2017 SEMINAR ON SYSTEMS ANALYSIS. Nikulchev, E. & Bubnov, G. (eds.). University of Lueneburg, Department of Economics and Social Sciences, Research Institute on Professions, Vol. 10. p. 02001 4 p. (ITM Web of Conferences; vol. 10).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  53. Comparative analysis of methods of automated classification of poetic texts based on lexical signs

    Barakhnin, V. B., Kozhemyakina, O. Y. & Pastushkov, I. S., 2017, In: CEUR Workshop Proceedings. 2022, p. 252-257 6 p.

    Research output: Contribution to journalArticlepeer-review

  54. GIS-Technologies and mathematical simulation as tools for lightning-caused forest fire danger prediction

    Baranovskiy, N., Barakhnin, V. & Yankovich, E., 2017, In: CEUR Workshop Proceedings. 1839, p. 2-15 14 p.

    Research output: Contribution to journalArticlepeer-review

  55. Parallel text document clustering based on genetic algorithm

    Mansurova, M., Barakhnin, V., Aubakirov, S., Khibatkhanuly, Y. & Mussina, A., 2017, In: CEUR Workshop Proceedings. 1839, p. 218-232 15 p.

    Research output: Contribution to journalArticlepeer-review

  56. THE SOFTWARE SYSTEM FOR THE STUDY THE MORPHOLOGY OF THE KAZAKH LANGUAGE

    Barakhnin, V. B., Fedotov, A. M., Bakiyeva, A. M., Bakiyev, M. N., Tazhibayeva, S. Z., Batura, T. V., Kozhemyakina, O. Y., Tussupov, D. A., Sambetbaiyeva, M. A. & Lukpanova, L. K., 2017, ICPE 2017: INTERNATIONAL CONFERENCE ON PSYCHOLOGY AND EDUCATION. Malykh, SB. & Nikulchev, EV. (eds.). FUTURE ACAD, p. 18-27 10 p. (European Proceedings of Social and Behavioural Sciences; vol. 33).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

  57. 2016
  58. Scenario Modeling of Thermal Influence from Forest Fire Front on a Coniferous Tree Trunk

    Baranovskiy, N. V., Barakhnin, V. B. & Andreeva, K. N., 9 Aug 2016, In: MATEC Web of Conferences. 72, 01008.

    Research output: Contribution to journalConference articlepeer-review

  59. Mathematical modeling of thermal influence from forest fire front on a coniferous tree trunk

    Baranovskiy, N. V., Barakhnin, V. B. & Andreeva, K. N., 23 Feb 2016, In: EPJ Web of Conferences. 110, 01005.

    Research output: Contribution to journalConference articlepeer-review

  60. Development of parallel FRiS-Tax text document clustering algorithm based on MPI technology

    Mansurova, M. E., Barakhnin, V. B., Aubakirov, S. S., Khibatkhanuly, Y. & Mussina, A. B., 2016, In: CEUR Workshop Proceedings. 1576, p. 244-256 13 p.

    Research output: Contribution to journalConference articlepeer-review

  61. 2015
  62. Mathematical simulation of heat transfer at deciduous tree ignition by cloud-to-ground lightning discharge

    Kuznetsov, G. V., Baranovskiy, N. V. & Barakhnin, V. B., 20 Jan 2015, In: EPJ Web of Conferences. 82, 01019.

    Research output: Contribution to journalConference articlepeer-review

  63. The algorithms of complex analysis of Russian poetic texts for the purpose of automation of the process of creation of metric reference books and concordances

    Barakhnin, V. B., Kozhemyakina, O. Y. & Zabaykin, A. V., 2015, In: CEUR Workshop Proceedings. 1536, p. 138-143 6 p.

    Research output: Contribution to journalConference articlepeer-review

ID: 3444418