{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T22:15:39Z","timestamp":1782944139799,"version":"3.54.5"},"publisher-location":"Cham","reference-count":22,"publisher":"Springer Nature Switzerland","isbn-type":[{"value":"9783031982804","type":"print"},{"value":"9783031982811","type":"electronic"}],"license":[{"start":{"date-parts":[[2025,7,29]],"date-time":"2025-07-29T00:00:00Z","timestamp":1753747200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2025,7,29]],"date-time":"2025-07-29T00:00:00Z","timestamp":1753747200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026]]},"DOI":"10.1007\/978-3-031-98281-1_17","type":"book-chapter","created":{"date-parts":[[2025,7,28]],"date-time":"2025-07-28T04:38:04Z","timestamp":1753677484000},"page":"213-223","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["An Educational Virtual World System with Gamification Features and LLM Guided NPCs"],"prefix":"10.1007","author":[{"given":"Ariadni","family":"Barmpari","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eleni","family":"Voyiatzaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4036-9369","authenticated-orcid":false,"given":"Ioannis","family":"Hatzilygeroudis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,7,29]]},"reference":[{"issue":"6","key":"17_CR1","first-page":"77","volume":"8","author":"AS Alqahtani","year":"2017","unstructured":"Alqahtani, A.S., Daghestani, L.F., Ibrahim, L.F.: Environments and system types of virtual reality technology in STEM: a survey. Int. J. Adv. Comput. Sci. Appl. 8(6), 77\u201389 (2017)","journal-title":"Int. J. Adv. Comput. Sci. Appl."},{"key":"17_CR2","doi-asserted-by":"publisher","first-page":"691","DOI":"10.1111\/jcal.12375","volume":"35","author":"G Makransky","year":"2019","unstructured":"Makransky, G., Borre-Gude, S., Mayer, R.E.: Motivational and cognitive benefits of training in immersive virtual reality based on multiple assessments. J. Comput. Assist. Learn. 35, 691\u2013707 (2019)","journal-title":"J. Comput. Assist. Learn."},{"key":"17_CR3","unstructured":"Wikipedia. https:\/\/en.wikipedia.org\/wiki\/Virtual_world. Accessed 12 Feb 2025"},{"issue":"2","key":"17_CR4","first-page":"201","volume":"6","author":"KL Nowak","year":"2018","unstructured":"Nowak, K.L., Fox, J.: Avatars and computer-mediated communication: a review of the definitions, uses, and effects of digital representations. Rev. Commun. Res. 6(2), 201\u2013232 (2018)","journal-title":"Rev. Commun. Res."},{"key":"17_CR5","doi-asserted-by":"publisher","first-page":"1739","DOI":"10.3390\/app10051739","volume":"10","author":"F Grivokostopoulou","year":"2020","unstructured":"Grivokostopoulou, F., Kovas, K., Perikos, I.: The effectiveness of embodied pedagogical agents and their impact on students learning in virtual worlds. Appl. Sci. 10, 1739 (2020). https:\/\/doi.org\/10.3390\/app10051739","journal-title":"Appl. Sci."},{"key":"17_CR6","doi-asserted-by":"publisher","first-page":"1223","DOI":"10.3390\/encyclopedia3040089","volume":"3","author":"A Christopoulos","year":"2023","unstructured":"Christopoulos, A., Mystakidis, S.: Gamification in education. Encyclopedia 3, 1223\u20131243 (2023). https:\/\/doi.org\/10.3390\/encyclopedia3040089","journal-title":"Gamification in education. Encyclopedia"},{"issue":"4","key":"17_CR7","doi-asserted-by":"publisher","first-page":"499","DOI":"10.1177\/0047239516665105","volume":"45","author":"DN Karagiorgas","year":"2017","unstructured":"Karagiorgas, D.N., Niemann, S.: Gamification and game-based learning. J. Educ. Technol. Syst. 45(4), 499\u2013519 (2017)","journal-title":"J. Educ. Technol. Syst."},{"key":"17_CR8","doi-asserted-by":"publisher","unstructured":"Grivokostopoulou, F., Perikos, I., Hatzilygeroudis, I.: An innovative educational environment based on virtual reality and gamification for learning search algorithms. In: Proceedings of 2016 IEEE Eighth International Conference on Technology for Education (T4E), Mumbai, India, pp. 110\u2013115 (2016). https:\/\/doi.org\/10.1109\/T4E.2016.029","DOI":"10.1109\/T4E.2016.029"},{"issue":"4","key":"17_CR9","doi-asserted-by":"publisher","first-page":"543","DOI":"10.1080\/10494820.2016.1167744","volume":"25","author":"H Kim","year":"2017","unstructured":"Kim, H., Ke, F.: Effects of game-based learning in an OpenSim-supported virtual environment on mathematical performance. Interact. Learn. Environ. 25(4), 543\u2013557 (2017). https:\/\/doi.org\/10.1080\/10494820.2016.1167744","journal-title":"Interact. Learn. Environ."},{"key":"17_CR10","doi-asserted-by":"crossref","unstructured":"Bai, J., Xia, C., Zhou, Z., Zhu, Y.: Design and implementation of a biological virtual display system based on 3DMax and Unity3D. In: Proceedings of the 2nd International Conference on Mechatronics, IoT and Industrial Informatics (ICMIII), pp. 641\u2013646 (2024)","DOI":"10.1109\/ICMIII62623.2024.00125"},{"key":"17_CR11","unstructured":"Maratou, V., Xenos, M., Vuckovic, D., GraniC, A., Drecun, A.: Enhancing learning on information security using 3D virtual world learning environment. In: Proceedings of 5th International Conference on Information Society and Technology, pp. 279\u2013284 (2015)"},{"key":"17_CR12","doi-asserted-by":"crossref","unstructured":"Grivokostopoulou, F., Perikos, I., Kovas, K., Paraskevas, M., Hatzilygeroudis, I.: Utilizing virtual reality to assist students in learning physics. In: Proceedings of the 2017 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (IEEE TALE 2017), pp. 486\u2013489 (2017)","DOI":"10.1109\/TALE.2017.8252385"},{"key":"17_CR13","doi-asserted-by":"crossref","unstructured":"de Mattos, D.P., Popovici, D.: VR4STEM - a 3D virtual world for assisting young people to gain entrepreneurship skill in the STEM and ICT domains. In: Proceedings of the INTED 2018, pp. 9322\u20139330 (2018)","DOI":"10.21125\/inted.2018.2294"},{"key":"17_CR14","doi-asserted-by":"publisher","unstructured":"Krassmann, A.L., Nunes, F.B., Bessa, M., Tarouco, L.M.R., Bercht, M.: Virtual companions and 3D virtual worlds: investigating the sense of presence in distance education. In: Zaphiris, P., Ioannou, A. (eds.) HCII 2019. LNCS, vol. 11591, pp. 175\u2013192 (2019). https:\/\/doi.org\/10.1007\/978-3-030-21817-1_14","DOI":"10.1007\/978-3-030-21817-1_14"},{"key":"17_CR15","doi-asserted-by":"publisher","unstructured":"Christopoulos, A., Conrad, M., Shukla, M.: Learner experience in hybrid virtual worlds: interacting with pedagogical agents. In: Proceedings of the 11th International Conference on Computer Supported Education (CSEDU 2019), pp. 488\u2013495 (2019). https:\/\/doi.org\/10.5220\/0007758604880495","DOI":"10.5220\/0007758604880495"},{"key":"17_CR16","unstructured":"Guerra-Mota, M., Minas, D., Xenos, M., S\u00e1, M.M.: Development of a 3D virtual world tool for sustainable energy education. In: Proceedings of the 1st International Conference on Sustainable Energy Education (SEED 2024), Valencia, Spain, 3\u20135 July, pp. 646\u2013654 (2024)"},{"key":"17_CR17","doi-asserted-by":"crossref","unstructured":"Puttinaovarat, S., Pruitikanee, S., Kongcharoen, J., Saeliw, A., Inthong, P., Thippayamongkol, N.: The digital game for curriculum public relations (PR) and learning using Unity3D. Int. J. Interact. Mobile Technol. (iJIM) 17(14), 81\u2013100 (2023)","DOI":"10.3991\/ijim.v17i14.40225"},{"key":"17_CR18","doi-asserted-by":"crossref","unstructured":"Athanasiou, P., Voyiatzaki, E., Hatzilygeroudis, I.: Evolving non-player characters in educational games in virtual worlds. In: Proceedings of EDULEARN 2023, pp. 7053\u20137059 (2023)","DOI":"10.21125\/edulearn.2023.1851"},{"key":"17_CR19","doi-asserted-by":"publisher","unstructured":"Khosrawi-Rad, B., Shahda, F., Robra-Bissantz, S.: Towards pedagogical conversational agents as creativity drivers in virtual worlds. In: Proceedings of Mindtrek 2023, Tampere, Finland, 03\u201306 October 2023 (2023). https:\/\/doi.org\/10.1145\/3616961.3617807. ACM ISBN 979-8-4007-0874-9\/23\/10","DOI":"10.1145\/3616961.3617807"},{"key":"17_CR20","doi-asserted-by":"publisher","unstructured":"Peng, X., et al.: Player-driven emergence in LLM-driven game narrative. In: Proceedings of the 2024 Conference on Games (CoG 2024) (2024). https:\/\/doi.org\/10.1109\/CoG60054.2024.10645607","DOI":"10.1109\/CoG60054.2024.10645607"},{"key":"17_CR21","doi-asserted-by":"publisher","unstructured":"Christiansen, F.R., Hollensberg, L.N., Jensen, N.B., Julsgaard, K., Jespersen, K.N., Nikolov, I.: Exploring presence in interactions with LLM-driven NPCs: a comparative study of speech recognition and dialogue options. In: Proceedings of VRST 2024, Trier, Germany, 09\u201311 October (2024). https:\/\/doi.org\/10.1145\/3641825.3687716","DOI":"10.1145\/3641825.3687716"},{"key":"17_CR22","unstructured":"Ogunlesia, D., Wang, X.: GPT-NPC: enhancing NPC human-likeness and autonomy in video games. In: Proceedings of the ECAI 2024 Workshop on \u201ceXtended Reality & Intelligent Agents\u201d (XRIA 2024) (2024)"}],"container-title":["Lecture Notes in Computer Science","Generative Systems and Intelligent Tutoring Systems"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/978-3-031-98281-1_17","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T21:40:15Z","timestamp":1782942015000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/978-3-031-98281-1_17"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,7,29]]},"ISBN":["9783031982804","9783031982811"],"references-count":22,"URL":"https:\/\/doi.org\/10.1007\/978-3-031-98281-1_17","relation":{},"ISSN":["0302-9743","1611-3349"],"issn-type":[{"value":"0302-9743","type":"print"},{"value":"1611-3349","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,7,29]]},"assertion":[{"value":"29 July 2025","order":1,"name":"first_online","label":"First Online","group":{"name":"ChapterHistory","label":"Chapter History"}},{"value":"ITS","order":1,"name":"conference_acronym","label":"Conference Acronym","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"International Conference on Intelligent Tutoring Systems","order":2,"name":"conference_name","label":"Conference Name","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"Alexandroupolis","order":3,"name":"conference_city","label":"Conference City","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"Greece","order":4,"name":"conference_country","label":"Conference Country","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"2025","order":5,"name":"conference_year","label":"Conference Year","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"2 June 2025","order":7,"name":"conference_start_date","label":"Conference Start Date","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"6 June 2025","order":8,"name":"conference_end_date","label":"Conference End Date","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"21","order":9,"name":"conference_number","label":"Conference Number","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"its2025","order":10,"name":"conference_id","label":"Conference ID","group":{"name":"ConferenceInfo","label":"Conference Information"}},{"value":"https:\/\/iis-international.org\/its2025-generative-systems\/","order":11,"name":"conference_url","label":"Conference URL","group":{"name":"ConferenceInfo","label":"Conference Information"}}]}}