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<author pid="57/2629">Euclid Keramopoulos</author>
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<r><article key="journals/information/VoliotiORGSK26" mdate="2026-03-05">
<author orcid="0000-0001-7996-8353" pid="147/4422">Christina Volioti</author>
<author orcid="0000-0002-4797-5134" pid="58/619">Christos Orovas</author>
<author orcid="0009-0003-4741-6572" pid="364/2873">Sophia Rapti</author>
<author pid="428/1927">Paschalina Gkiosi</author>
<author orcid="0000-0002-0763-2516" pid="86/10399">Theodosios Sapounidis</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<title>Evaluating Augmented Reality Activities Designed Within the 5E Model in Biology Education.</title>
<year>2026</year>
<pages>164</pages>
<volume>17</volume>
<journal>Inf.</journal>
<number>2</number>
<ee type="oa">https://doi.org/10.3390/info17020164</ee>
<url>db/journals/information/information17.html#VoliotiORGSK26</url>
<stream>streams/journals/information</stream>
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<r><article key="journals/mti/KazlarisKBK25" mdate="2026-01-06">
<author orcid="0009-0000-9088-2913" pid="422/1879">Georgios Christoforos Kazlaris</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0001-6400-3233" pid="09/1452">Charalampos Bratsas</author>
<author orcid="0000-0002-9359-3604" pid="32/10399">Giorgos Kokkonis</author>
<title>Augmented Reality in Education Through Collaborative Learning: A Systematic Literature Review.</title>
<pages>94</pages>
<year>2025</year>
<volume>9</volume>
<journal>Multimodal Technol. Interact.</journal>
<number>9</number>
<ee type="oa">https://doi.org/10.3390/mti9090094</ee>
<url>db/journals/mti/mti9.html#KazlarisKBK25</url>
<stream>streams/journals/mti</stream>
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</r>
<r><article key="journals/tciaig/VoliotiMAKC25" mdate="2025-07-06">
<author orcid="0000-0001-7996-8353" pid="147/4422">Christina Volioti</author>
<author orcid="0009-0001-6674-6273" pid="409/3059">Vasileios Martsis</author>
<author orcid="0000-0002-5764-7302" pid="38/3828">Apostolos Ampatzoglou</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author pid="234/7810">Alexander Chatzigeorgiou</author>
<title>Codeless3D: Design and Usability Evaluation of a Low-Code Tool for 3-D Game Generation.</title>
<pages>296-307</pages>
<year>2025</year>
<month>June</month>
<volume>17</volume>
<journal>IEEE Trans. Games</journal>
<number>2</number>
<ee>https://doi.org/10.1109/TG.2024.3424894</ee>
<url>db/journals/tciaig/tciaig17.html#VoliotiMAKC25</url>
<stream>streams/journals/tciaig</stream>
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<r><article key="journals/computers/VoliotiOSTK23" mdate="2024-01-13">
<author orcid="0000-0001-7996-8353" pid="147/4422">Christina Volioti</author>
<author orcid="0000-0002-4797-5134" pid="58/619">Christos Orovas</author>
<author orcid="0000-0002-0763-2516" pid="86/10399">Theodosios Sapounidis</author>
<author pid="276/1678">Georgios P. Trachanas</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<title>Augmented Reality in Primary Education: An Active Learning Approach in Mathematics.</title>
<pages>207</pages>
<year>2023</year>
<month>September</month>
<volume>12</volume>
<journal>Comput.</journal>
<number>10</number>
<ee type="oa">https://doi.org/10.3390/computers12100207</ee>
<url>db/journals/computers/computers12.html#VoliotiOSTK23</url>
</article>
</r>
<r><article key="journals/i-jes/LampropoulosKD22" mdate="2024-01-31">
<author pid="36/6116-1">Georgios Lampropoulos 0001</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<author pid="74/4220">Konstantinos I. Diamantaras</author>
<title>Semantically Enriched Augmented Reality Applications: A Proposed System Architecture and a Case Study.</title>
<year>2022</year>
<volume>10</volume>
<journal>Int. J. Recent Contributions Eng. Sci. IT</journal>
<number>1</number>
<ee type="oa">https://online-journals.org/index.php/i-jes/article/view/27463</ee>
<url>db/journals/i-jes/i-jes10.html#LampropoulosKD22</url>
</article>
</r>
<r><article key="journals/i-jes/LampropoulosK22" mdate="2024-01-31">
<author orcid="0000-0002-5719-2125" pid="36/6116-1">Georgios Lampropoulos 0001</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<title>Virtual Reality in Education: A Comparative Social Media Data and Sentiment Analysis Study.</title>
<pages>19-32</pages>
<year>2022</year>
<month>November</month>
<volume>10</volume>
<journal>Int. J. Recent Contributions Eng. Sci. IT</journal>
<number>3</number>
<ee>https://doi.org/10.3991/ijes.v10i03.34057</ee>
<url>db/journals/i-jes/i-jes10.html#LampropoulosK22</url>
</article>
</r>
<r><article key="journals/information/VoliotiKSMZSS22" mdate="2022-09-26">
<author pid="147/4422">Christina Volioti</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0002-0763-2516" pid="86/10399">Theodosios Sapounidis</author>
<author orcid="0000-0002-3583-7017" pid="327/6418">Konstantinos Melisidis</author>
<author orcid="0000-0003-4038-9623" pid="309/9023">Maria Zafeiropoulou</author>
<author pid="327/7171">Charalampos Sotiriou</author>
<author pid="327/7598">Vladimiros Spiridis</author>
<title>Using Augmented Reality in K-12 Education: An Indicative Platform for Teaching Physics.</title>
<pages>336</pages>
<year>2022</year>
<volume>13</volume>
<journal>Inf.</journal>
<number>7</number>
<ee type="oa">https://doi.org/10.3390/info13070336</ee>
<url>db/journals/information/information13.html#VoliotiKSMZSS22</url>
</article>
</r>
<r><article key="journals/computers/ZafeiropoulouVK21" mdate="2022-04-09">
<author orcid="0000-0003-4038-9623" pid="309/9023">Maria Zafeiropoulou</author>
<author pid="147/4422">Christina Volioti</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0002-0763-2516" pid="86/10399">Theodosios Sapounidis</author>
<title>Developing Physics Experiments Using Augmented Reality Game-Based Learning Approach: A Pilot Study in Primary School.</title>
<pages>126</pages>
<year>2021</year>
<volume>10</volume>
<journal>Comput.</journal>
<number>10</number>
<ee type="oa">https://doi.org/10.3390/computers10100126</ee>
<url>db/journals/computers/computers10.html#ZafeiropoulouVK21</url>
</article>
</r>
<r><article key="journals/vi/LampropoulosKD20" mdate="2025-01-19">
<author orcid="0000-0002-5719-2125" pid="36/6116-1">Georgios Lampropoulos 0001</author>
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0003-1373-4022" pid="74/4220">Konstantinos I. Diamantaras</author>
<title>Enhancing the functionality of augmented reality using deep learning, semantic web and knowledge graphs: A review.</title>
<pages>32-42</pages>
<year>2020</year>
<volume>4</volume>
<journal>Vis. Informatics</journal>
<number>1</number>
<ee type="oa">https://doi.org/10.1016/j.visinf.2020.01.001</ee>
<ee>https://www.wikidata.org/entity/Q126348838</ee>
<url>db/journals/vi/vi4.html#LampropoulosKD20</url>
</article>
</r>
<r><article key="journals/dke/CharalampidisK18" mdate="2018-06-28">
<author pid="221/9557">Charalampos C. Charalampidis</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<title>Semantic Web user interfaces - A model and a review.</title>
<pages>214-227</pages>
<year>2018</year>
<volume>115</volume>
<journal>Data Knowl. Eng.</journal>
<ee>https://doi.org/10.1016/j.datak.2018.04.003</ee>
<url>db/journals/dke/dke115.html#CharalampidisK18</url>
</article>
</r>
<r><inproceedings key="conf/seeda/StavridisKK18" mdate="2022-10-02">
<author pid="246/0874">Konstantinos Stavridis</author>
<author orcid="0000-0002-9852-7980" pid="90/4426">Georgia Koloniari</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<title>Deriving Word Embeddings Using Multilingual Transfer Learning for Opinion Mining.</title>
<pages>1-6</pages>
<year>2018</year>
<booktitle>SEEDA-CECNSM</booktitle>
<ee>https://doi.org/10.23919/SEEDA-CECNSM.2018.8544940</ee>
<crossref>conf/seeda/2018</crossref>
<url>db/conf/seeda/seeda2018.html#StavridisKK18</url>
</inproceedings>
</r>
<r><inproceedings key="conf/haicta/KatsarosKS17" mdate="2023-03-10">
<author pid="235/6364">Alexander Katsaros</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<author pid="s/MichailSalampasis">Michail Salampasis</author>
<title>Cultivation Optimization Using Augmented Reality.</title>
<pages>805-811</pages>
<year>2017</year>
<booktitle>HAICTA</booktitle>
<ee type="oa">https://ceur-ws.org/Vol-2030/HAICTA_2017_paper91.pdf</ee>
<crossref>conf/haicta/2017</crossref>
<url>db/conf/haicta/haicta2017.html#KatsarosKS17</url>
</inproceedings>
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<r><inproceedings key="conf/pci/SeitanidisCK16" mdate="2021-06-14">
<author pid="194/9916">Ilias Nektarios Seitanidis</author>
<author pid="194/9954">Georgios Charitakis</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<title>iGQL: An Intelligent NoSQL Graphical Query Language.</title>
<pages>69</pages>
<year>2016</year>
<booktitle>PCI</booktitle>
<ee>https://doi.org/10.1145/3003733.3003758</ee>
<crossref>conf/pci/2016</crossref>
<url>db/conf/pci/pci2016.html#SeitanidisCK16</url>
</inproceedings>
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<r><inproceedings key="conf/pci/ErkanK15" mdate="2018-11-21">
<author pid="168/3380">Aren Memet Erkan</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<title>EGQL: a gesture query language.</title>
<pages>348-353</pages>
<year>2015</year>
<booktitle>Panhellenic Conference on Informatics</booktitle>
<ee>https://doi.org/10.1145/2801948.2802006</ee>
<crossref>conf/pci/2015</crossref>
<url>db/conf/pci/pci2015.html#ErkanK15</url>
</inproceedings>
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<r><article key="journals/csse/BekiropoulosKBM13" mdate="2014-08-05">
<author pid="117/6445">K. Bekiropoulos</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<author pid="117/6436">Olga Beza</author>
<author pid="117/6449">P. Mouratidis</author>
<title>A list of features that a graphical XML query language should support.</title>
<year>2013</year>
<volume>28</volume>
<journal>Comput. Syst. Sci. Eng.</journal>
<number>2</number>
<url>db/journals/csse/csse28.html#BekiropoulosKBM13</url>
</article>
</r>
<r><inproceedings key="conf/pci/KeramopoulosDDEP12" mdate="2023-03-23">
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0002-5441-0086" pid="43/540">Dimitrios Dervos</author>
<author pid="31/693">Ignatios S. Deligiannis</author>
<author orcid="0000-0003-1639-2152" pid="05/3392">Georgios Evangelidis 0001</author>
<author orcid="0000-0002-8476-1928" pid="72/3236">Philippos Pouyioutas</author>
<title>HERMES: A Tool for Querying Heterogeneous Data Stores.</title>
<pages>433-438</pages>
<year>2012</year>
<booktitle>Panhellenic Conference on Informatics</booktitle>
<ee>https://doi.org/10.1109/PCi.2012.32</ee>
<ee>https://doi.ieeecomputersociety.org/10.1109/PCi.2012.32</ee>
<crossref>conf/pci/2012</crossref>
<url>db/conf/pci/pci2012.html#KeramopoulosDDEP12</url>
</inproceedings>
</r>
<r><article key="journals/csse/BekiropoulosKBM10" mdate="2012-08-23">
<author pid="117/6445">K. Bekiropoulos</author>
<author pid="57/2629">Euclid Keramopoulos</author>
<author pid="117/6436">Olga Beza</author>
<author pid="117/6449">P. Mouratidis</author>
<title>A list of features that a graphical xml query language should support.</title>
<year>2010</year>
<volume>25</volume>
<journal>Comput. Syst. Sci. Eng.</journal>
<number>5</number>
<url>db/journals/csse/csse25.html#BekiropoulosKBM10</url>
</article>
</r>
<r><article key="journals/ijcsa/Pouyioutas08" mdate="2021-12-07">
<author pid="57/2629">Euclid Keramopoulos</author>
<author pid="72/3236">Philippos Pouyioutas</author>
<author pid="41/3050">Tasos Ptohos</author>
<title>The GOQL Language and its Formal Specifications.</title>
<pages>23-51</pages>
<year>2008</year>
<volume>5</volume>
<journal>Int. J. Comput. Sci. Appl.</journal>
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<ee type="archive">http://www.tmrfindia.org/ijcsa/v5i23.pdf</ee>
<url>db/journals/ijcsa/ijcsa5.html#Pouyioutas08</url>
</article>
</r>
<r><phdthesis key="phd/ethos/Keramopoulos04" mdate="2022-04-05">
<author pid="57/2629">Euclid Keramopoulos</author>
<title>GOQL, a graphical query language for object-oriented database systems.</title>
<year>2004</year>
<school>University of Westminster, London, UK</school>
<ee>https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433847</ee>
<note type="source">British Library, EThOS</note>
</phdthesis>
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<r><inproceedings key="conf/dba/KeramopoulosPP04" mdate="2005-10-31">
<author pid="57/2629">Euclid Keramopoulos</author>
<author pid="41/3050">Tasos Ptohos</author>
<author pid="72/3236">Philippos Pouyioutas</author>
<title>The System Architecture of the GOQL Language.</title>
<pages>174-179</pages>
<year>2004</year>
<crossref>conf/dba/2004</crossref>
<booktitle>Databases and Applications</booktitle>
<url>db/conf/dba/dba2004.html#KeramopoulosPP04</url>
</inproceedings>
</r>
<r><inproceedings key="conf/iv/KeramopoulosPP04" mdate="2023-03-24">
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author pid="72/3236">Philippos Pouyioutas</author>
<author pid="41/3050">Tasos Ptohos</author>
<title>Implementation of the GOQL Language.</title>
<pages>685-692</pages>
<year>2004</year>
<crossref>conf/iv/2004</crossref>
<booktitle>IV</booktitle>
<ee>https://doi.org/10.1109/IV.2004.1320216</ee>
<ee>https://doi.ieeecomputersociety.org/10.1109/IV.2004.1320216</ee>
<url>db/conf/iv/iv2004.html#KeramopoulosPP04</url>
</inproceedings>
</r>
<r><inproceedings key="conf/iv/KeramopoulosPP02" mdate="2023-03-24">
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0002-8476-1928" pid="72/3236">Philippos Pouyioutas</author>
<author pid="41/3050">Tasos Ptohos</author>
<title>A Formal Definition of the Users View (UV) of the Graphical Object Query Language (GOQL).</title>
<pages>211-</pages>
<year>2002</year>
<crossref>conf/iv/2002</crossref>
<booktitle>IV</booktitle>
<ee>https://doi.org/10.1109/IV.2002.1028779</ee>
<ee>https://doi.ieeecomputersociety.org/10.1109/IV.2002.1028779</ee>
<url>db/conf/iv/iv2002.html#KeramopoulosPP02</url>
</inproceedings>
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<r><inproceedings key="conf/iv/KeramopoulosPP99" mdate="2023-03-24">
<author orcid="0000-0001-6566-6477" pid="57/2629">Euclid Keramopoulos</author>
<author orcid="0000-0002-8476-1928" pid="72/3236">Philippos Pouyioutas</author>
<author pid="41/3050">Tasos Ptohos</author>
<title>The User's View Level of the GOQL Graphical Query Language.</title>
<pages>81-87</pages>
<year>1999</year>
<crossref>conf/iv/1999</crossref>
<booktitle>IV</booktitle>
<ee>https://doi.org/10.1109/IV.1999.781540</ee>
<ee>https://doi.ieeecomputersociety.org/10.1109/IV.1999.781540</ee>
<url>db/conf/iv/iv1999.html#KeramopoulosPP99</url>
</inproceedings>
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<co c="0"><na f="s/Sotiriou:Charalampos" pid="327/7171">Charalampos Sotiriou</na></co>
<co c="0"><na f="s/Spiridis:Vladimiros" pid="327/7598">Vladimiros Spiridis</na></co>
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<co c="0"><na f="t/Trachanas:Georgios_P=" pid="276/1678">Georgios P. Trachanas</na></co>
<co c="0"><na f="v/Volioti:Christina" pid="147/4422">Christina Volioti</na></co>
<co c="0"><na f="z/Zafeiropoulou:Maria" pid="309/9023">Maria Zafeiropoulou</na></co>
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