جستجوی استاد راهنمای دانشگاهی

• Computer Networks
• Telecommunications Networks
• Systems Software
• +۳ مورد دیگر

Xylomenos Georgios is an Associate Professor at the Department of Informatics, School of Information Sciences and Technology, Athens University of Economics and Business. His research focuses on computer networks, telecommunications networks, and systems software. He has published numerous papers in top-tier networking conferences and journals, and has led multiple EU-funded research projects in the field of future internet technologies. Degree in Computer Science, Athens University of Economics and Business, 1993 Master (MS) in Computer Science, University of California, San Diego, 1996 Doctorate (Ph.D.) in Computer Science, University of California, San Diego, 1999 Xylomenos Georgios specializes in Computer Networks, Telecommunications Networks, and Systems Software . His research has particularly focused on enhancing internet performance over wireless links, multimedia broadcast/multicast services, information-centric networking, and reliable storage systems. He has made significant contributions to link layer architectures, quality of service support, and error control mechanisms for wireless networks. His work bridges theoretical networking concepts with practical implementations, addressing real-world challenges in modern communication systems. His publication record shows a clear evolution from foundational work on TCP performance and wireless link protocols to more advanced concepts like publish-subscribe internet technologies and content-centric networking. The research trajectory demonstrates consistent focus on performance optimization in wireless environments, with recent work expanding into multimedia delivery for network music performance and secure data spaces. His publications appear in leading venues including Computer Networks, IEEE Communications Magazine, and Wireless Communications and Mobile Computing. Best non-student paper award at European Wireless (EW) 2007 Xylomenos Georgios has supervised doctoral research, including a dissertation on 'Multi Service Link Layers: An Approach to Enhancing Internet Performance over Wireless Links.' He has secured substantial research funding through multiple EU projects including PURSUIT, PSIRP, EIFFEL, and B-BONE. Currently, he leads newer initiatives including AViD-NMP, SeEDS, and TENeMP projects, demonstrating continued relevance and leadership in networking research. As Scientific Director of the AUEB Network Management Center, he bridges theoretical research with practical network operations. His current research focuses on integrating 5G/6G networks with network music performance, implementing Data Spaces compliant with ETSI standards on Named Data Networking architecture, and developing telepresence-enhanced network music performance applications using holograms and realistic user representations.

George Caridakisمشاهده پروفایل

دانشیار

• Cultural Informatics
• Digital Culture
• HCI
• +۴ مورد دیگر

Associate Professor George Caridakis holds a faculty position at the Department of Cultural Technology and Communication, University of the Aegean, where he founded the Intelligent Interaction Research Group (ii.aegean.gr). He also serves as an Adjunct Professor at Athena Research Center (Athena RC) and a Senior Researcher at the National Technical University of Athens' Intelligent Systems, Content and Interaction Laboratory. His research spans Cultural Informatics, AI-driven Interaction, IoT, Mixed Reality, and Semantic Web technologies, with over 75 publications and an h-index of 20. Caridakis has led or contributed to over 20 European/National projects, focusing on cultural heritage preservation, digital twin technologies, and AI applications in education and tourism. He actively supervises graduate theses and teaches at both undergraduate and postgraduate levels. His work emphasizes participatory methods, context-aware systems, and cross-disciplinary collaboration in cultural spaces. Education details are not explicitly provided in the text, but his academic trajectory is evident through his roles and projects. Research interests include affective computing, embodied interaction, and heritage digitization. His methodologies often integrate semantic technologies and IoT to solve challenges in cultural preservation and visitor experience optimization. Recent work explores large language models (LLMs) for museum recommendations and robotics in education. Publications reflect a strong focus on cultural heritage management (e.g., digital twins, crowdsourcing, AR), user-centric design (recommender systems, sentiment analysis), and smart systems (IoT in heritage spaces). His projects like CAnTi and CHEKG demonstrate innovation in collaborative methodologies and modular knowledge graphs. Caridakis has served as a journal/conference reviewer and evaluator for funding bodies, contributing to the advancement of interdisciplinary research standards. He leads the OpenLab for Cultural Heritage Conservation, integrating VR/AR for site preservation. Collaborations span academia and industry, emphasizing applied research with practical societal impact. Current initiatives include advancing accessibility through regional digital infrastructures and enhancing citizen engagement via participatory frameworks.

Agoritsa Gogoulouمشاهده پروفایل

استاد آموزشی

• Didactics of Informatics
• Computational Thinking
• Collaborative Learning Environments
• +۶ مورد دیگر

Agoritsa Gogoulou is a Teaching Professor at the Department of Informatics & Telecommunications (DIT) of the National and Kapodistrian University of Athens (NKUA), specializing in the subject of Didactics of Informatics and ICT in Education. She serves as the scientific advisor and academic supervisor for the undergraduate Pedagogical and Teaching Competence Program offered by DIT. With extensive experience in secondary and tertiary education, she focuses on innovative teaching methodologies, particularly in e-learning, adaptive learning environments, and collaborative learning frameworks. Her academic roles include teaching courses such as 'ICT in Learning & Didactics of Informatics,' 'Design & Implementation of Digital Educational Applications,' and 'Design and Use of E-Learning Environments.' She has contributed to adult education programs, curriculum design, and the development of educational materials for diverse audiences. Her research emphasizes computational thinking, educational assessment, and the integration of technology in learning processes. A prolific scholar, Dr. Gogoulou has over 50 publications in international journals and conferences, focusing on adaptive learning systems, peer assessment mechanisms, and technology-enhanced learning environments. Her work bridges pedagogical theory with practical educational technology solutions, aiming to improve student engagement and conceptual understanding in computer science and informatics education.

• Personalized Software Technology
• Mobile Device Programming
• Web Programming
• +۴ مورد دیگر

Evangelos Sakkopoulos is an Associate Professor at the Department of Computer Science, University of Piraeus, specializing in Custom Software Technology. He holds a PhD from the Department of Computer Engineering and Informatics at the University of Patras. His research focuses on personalized software systems, mobile programming, web development, and data privacy solutions. He has contributed over 60 publications in international journals and conferences, with expertise in frequent itemset hiding algorithms, AI-driven e-learning systems, and smart home security technologies. Education: PhD in Computer Engineering and Informatics (University of Patras) Research interests include: Personalized Software Technology Mobile Device Programming Web Programming Data Privacy and Security Machine Learning Applications His work spans e-government systems, maritime surveillance technologies, and cultural heritage preservation through AI. Recent projects address challenges in digital identity management, EU policy compliance, and adaptive learning environments. Over 150 academic publications reflect his contributions to privacy-preserving data mining, smart home safety, and mobile healthcare systems.

• Network Security
• Information Privacy
• Wireless Sensor Networks
• +۵ مورد دیگر

Giannis F. Marias serves as an Assistant Professor at the Department of Informatics of the Athens University of Economics and Business (AUEB), within the School of Information Sciences and Technology. He is also a faculty member of the Mobile Multimedia and Communications and Information Security Labs at AUEB and serves as a Tutor at the Department of Informatics of the Hellenic Open University. Dr. Marias received his Diploma in computer and software engineering from the Polytechnic School of the University of Patras in 1995 and his PhD degree in informatics and telecommunications from the University of Athens in 2004. His research focuses on security and privacy across multiple networking domains including wireless, mobile, cloud, and tiny-device communications. Specific areas include source anonymity in Wireless Sensors Networks (WSNs), authentication in Mobile Ad-Hoc Networks (MANETs), trust management in dynamic networks, location privacy, anti-spam mechanisms in VoIP, security in Cognitive Radio, and RFID privacy. His work bridges theoretical frameworks with practical implementations of security protocols for real-world applications. Analysis of his recent publications reveals a clear progression toward information-centric networking security with increasing emphasis on IoT applications, privacy-preserving mechanisms, and trust management in decentralized architectures. His work consistently connects traditional network security with emerging paradigms like the Internet of Things and cognitive radio networks. Dr. Marias has been recognized with the Ericsson Student Award on Excellence in Telecommunications in 2005 for his contributions to the field. He has secured significant research funding through participation in numerous European Commission framework projects including FP7 PURSUIT (Publish-Subscribe Internet Technology), GOVPIMIT (Governance and Privacy Implications of the "Internet of Things"), and Euro-NF projects. He has coordinated national-wide projects related to network, system, and information security and privacy, including the PERAS project ("Protection and Authentication in MANETs") funded by the Greek R&D Committee. At AUEB, Dr. Marias is actively involved in the Mobile Multimedia and Communications and Information Security Labs, where he leads research on security aspects of next-generation internet architectures. He also participates in the Think-Trust Project Working Group and the EC Future-Internet Cluster, contributing to the development of security frameworks for future network infrastructures.

Xenofontas Dimitropoulosمشاهده پروفایل

دانشیار

• Internet Measurements
• Software Defined Networks
• Wireless Networks
• +۳ مورد دیگر

Xenofontas Dimitropoulos is an Associate Professor at the University of Crete's Computer Science Department and Affiliated Researcher at Foundation for Research and Technology Hellas (FORTH), where he leads the INSPIRE research group focusing on Internet security, privacy, and intelligence. His research examines software defined networks, Internet measurements, and cybersecurity frameworks. Education: PhD in Electrical and Computer Engineering, Georgia Institute of Technology (2006) MSc in Electrical and Computer Engineering, Georgia Institute of Technology (2002) BS in Physics, Aristotle University of Thessaloniki (2001) His research focuses on developing novel approaches to Internet routing security, privacy-preserving network monitoring, and SDN-based infrastructure optimization. Recent work explores BGP hijacking mitigation, IXP architectures, and mobile edge caching systems. Publications demonstrate consistent focus on network security and Internet measurements, with recent studies concentrating on practical solutions for routing vulnerabilities, colocation facility disruptions, and mobile edge computing optimizations. Earlier foundational work established privacy-preserving computation frameworks for multi-domain networks. Scientific Awards: ERC Proof of Concept Grants (2018, 2019) IEEE Security Symposium Best Paper Award (2013) ACM CoNEXT General Chair (2018) Marie Curie Reintegration Grant (2007) Fulbright Fellowship (2001) Research Leadership: Directs the INSPIRE research group with over 15 members including postdocs, PhD students, and research engineers. Secured €1.41M ERC Starting Grant for innovative Internet routing research. Current projects include RAVEN (BGP vulnerability assessment) and PHILOS (hijacking detection system).

• Database Systems
• Virtual Reality Applications
• Digital Humanities
• +۴ مورد دیگر

Yannis Ioannidis is a Professor at the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athens. His research spans interdisciplinary areas including database systems, virtual reality applications, and cultural heritage technology. He leads projects integrating technology with education, art, and social sciences, such as VR environments for urban planning (ARSINOE VR) and AI-driven scientific discovery frameworks. His work emphasizes collaborative tools for digital storytelling and participatory cultural experiences. Ioannidis has contributed to advancements in database query optimization, text exploration through SQL extensions (DETEXA), and indexing techniques for data lakes. His recent focus includes exploring the intersection of tabletop role-playing games with historical education and ethical AI-human coevolution. He actively participates in initiatives like the EBRAINS infrastructure for brain research and the MagicARTS social VR project. Notable research trends in his publications include leveraging VR for immersive learning, designing hybrid museum kits, and applying AI to support UN Sustainable Development Goals. His work bridges technical innovation with societal impact, addressing challenges in education, art preservation, and ethical technology use.

Dimitrios Grammenosمشاهده پروفایل

پژوهشگر

• Creative Thinking
• Learning through playing, making & coding
• Human-Computer Interaction
• +۸ مورد دیگر

Dr. Dimitrios Grammenos is a Principal Researcher at the Institute of Computer Science (ICS) of the Foundation for Research and Technology Hellas (FORTH), leading the Human-Computer Interaction (HCI) Laboratory. He specializes in Universal Design, Universal Access, and Ambient Intelligence. With a B.Sc. in Computer Science from the University of Crete and an M.Sc./Ph.D. in Electronic Engineering from the University of Kent, UK, he also holds a Torrance Tests of Creative Thinking certification. Affiliations: HCI Lab, ICS-FORTH. Education: B.Sc. (University of Crete), M.Sc./Ph.D. (University of Kent). His research focuses on Creative Thinking, Game Accessibility, and Interactive Systems for museums/public spaces. Notable achievements include the roboTwin award (2016), Interactive Wall Platinum Award (2014), and the ICS-FORTH Outstanding Contribution Award (2009). He has led projects like Macedonia from Fragments to Pixels and COMnPLAY SCIENCE, promoting informal science education. Grammenos designs workshops on creativity and delivers global talks on innovation. He authored The Orchestra of Colors and co-created the GDPR-themed interactive comic. His work bridges technology, education, and accessibility, emphasizing playful learning and inclusive design.

Polyxeni Arapiمشاهده پروفایل

پژوهشگر

• Learning Support Systems and Applications
• Digital Libraries
• Information Systems
• +۵ مورد دیگر

Polyxeni Arapi is a permanent Laboratory Teaching Staff member at the School of Electrical and Computer Engineering, Technical University of Crete, where she serves as technical coordinator of the Software Systems Technology & Network Applications Laboratory (SoftNet). With over two decades of involvement in European research projects since 2002, her work bridges academic research and practical applications in educational technology, digital libraries, and vocational training systems. Education: Ph.D. in Informatics, Institute of Mathematics and Informatics, Bulgarian Academy of Sciences (2017) M.Sc. in Electronic and Computer Engineering, Technical University of Crete (2011) Diploma in Electronic and Computer Engineering, Technical University of Crete (2003) Dr. Arapi's research centers on Learning Support Systems, Digital Libraries, and Service-Centric Internet Architectures, with significant contributions to semantic interoperability and personalized learning experiences. Her work consistently addresses the integration of emerging technologies like AR/VR in vocational contexts, particularly robotics and Industry 4.0 training systems. She has pioneered frameworks for spatiotemporal visualization in crisis training and location-based mobile learning environments. Analysis of her publication record (2013-2022) reveals a strategic evolution from foundational digital library interoperability to advanced vocational training applications. The trajectory shows increasing focus on Industry 4.0 technologies, with robotics education becoming a dominant theme in her most recent work, while maintaining core expertise in digital library integration and personalized learning systems. Scientific Awards: Best Diploma Thesis in Electronic Engineering by Technical Chamber of Greece (2003) Dr. Arapi has participated in 18 major European projects including FP5-UP-TV, FP6-DELOS II, FP7-Natural Europe, and multiple Erasmus+ initiatives. Her grant portfolio spans ICT-PSP, LdV, and ECHO programs, with recent focus on vocational training for Industry 4.0 (TI4 project) and digital coaching (E-Coach project). As technical coordinator of SoftNet laboratory, she oversees development of learning platforms like Coursevo and PlayLearn. The SoftNet laboratory under her technical coordination develops software systems for network applications with emphasis on educational technology infrastructure. Her team specializes in creating interoperable solutions connecting digital libraries with e-learning platforms, and has pioneered applications in natural history museum data federation and crisis training visualization systems.

• Computer Music
• Mobile Device Interfaces
• Bio-Technology
• +۷ مورد دیگر

Dionisios Politis serves as an Assistant Professor at the Department of Informatics, School of Sciences, Aristotle University of Thessaloniki, where he has established a distinguished interdisciplinary career since his appointment in 2009. His academic foundation includes a BS in Physics (1992), MSc in Physical Electronics (1990), Graduate Diploma in Computing Studies from Royal Melbourne Institute of Technology (1991), and a PhD in Informatics (1998), all from Aristotle University except for the Australian diploma. His professional journey demonstrates steady progression within the university: 1993-2002: Laboratory Teaching Staff at Aristotle University 1993-2002: Research Associate & Programmer at Center of International and European Economic Law 1999-2006: EU Expert on Computer Law for South Eastern Europe & Cyprus 2002: Lecturer at Department of Informatics 2009-Present: Assistant Professor at Aristotle University Dr. Politis's research creates a unique synthesis across computer science, musicology, and law. His primary interests include Computer Music, Mobile Device Interfaces, Bio-Technology applications for Special Education, Interactive Multimedia, and Computer Law. A distinctive hallmark of his work is the connection between ancient musical traditions and modern technology, particularly through groundbreaking projects like ARION for Ancient Greek Music synthesis, Byzantine Server, and various interfaces for Byzantine music notation. Analysis of his scholarly output reveals several converging research trajectories: chromaticism in music theory with mathematical classification methods; digital music libraries and their ethical/legal frameworks; brain-computer interfaces with growing biomedical applications (particularly cochlear implants); and computer law with emphasis on e-justice. His recent publications show an increasing integration of medical technology with music interfaces, demonstrating the evolution of his interdisciplinary approach. Among his significant scholarly contributions is a Best Short Paper Award for his innovative work on variPiano™. He has edited major publications including "Digital Tools for Computer Music Production and Distribution" (2016), "E-Socioeconomic and Legal Implications of Electronic Intrusion" (2009), and "E-Learning Methodologies and Computer Applications in Archaeology" (2008), establishing himself as a thought leader in multiple domains. Dr. Politis has made substantial contributions to educational technology across diverse fields. Through the SEEArchWeb project, he developed virtual learning environments for archaeology incorporating mobile displays and GIS implementations. In medical education, he has pioneered otorhinolaryngology e-learning textbooks and specialized interfaces for healthcare practitioners. His research group, frequently collaborating with M. Tsaligopoulos, G. Kyriafinis, and D. Margounakis, continues to push boundaries at the intersection of music technology, human-computer interaction, and biomedical applications while maintaining strong connections to cultural heritage preservation through projects like Mediterranean Colors, Kalliope Server, and Meteora Server.

Manolis Sangriotisمشاهده پروفایل

دانشیار

• Image Processing
• Computer Vision
• Stereo Image Coding
• +۴ مورد دیگر

Manolis Sangriotis is an Associate Professor at the National and Kapodistrian University of Athens, affiliated with the Department of Informatics and Telecommunications. His academic journey began with a B.Sc. in Physics (1970), followed by M.Sc. degrees in Electronics and Radioelectrology (1973) and Electronic Automation (1975), culminating in a Ph.D. in Informatics and Telecommunications (1980) from the University of Athens. His research focuses on image processing , computer vision , and 3D imaging , with emphasis on stereo image coding, integral photography, and real-time compression architectures. He explores applications in medical imaging, autostereoscopic displays, and multimedia systems, leveraging wavelet transforms, morphological operations, and statistical clustering. Recent publications (2012–2004) reveal a strong trend toward integral imaging innovations , including rectification frameworks, watermarking, and 3D-DCT compression. His work consistently addresses challenges in multiview data representation, disparity estimation, and photorealistic rendering, bridging computer vision with optical engineering. Scientific Awards: Best Paper Award at IEEE 8th International Conference on Intelligent Information Hiding and Multimedia Signal Processing (2012) He actively advises PhD students, including Eirini Kostopoulou, Tzanoukos Georgios, and Papageorgiou Louis. His research group collaborates on projects related to real-time systems and image datasets, often supported by institutional grants. As part of the RTSImage laboratory, he contributes to developing computational tools for image analysis and compression, with applications spanning medical diagnostics and 3D display technologies. Future directions include advancing omnidirectional imaging and robustness in automated biomedical assessments.

Akrivi Krouskaمشاهده پروفایل

استادیار

• Artificial Intelligence
• Multimedia Applications
• Social Networking Services
• +۲ مورد دیگر

Akrivi Krouska serves as Assistant Professor in the Department of Informatics and Computer Engineering at the University of West Attica, Greece, while concurrently holding a PostDoc Researcher position in Intelligent Social Information Systems within the same department. Her academic trajectory spans teaching undergraduate and postgraduate courses at both the University of West Attica and University of Piraeus, complemented by prior experience as a Computer Science Teacher in Greek public schools under the Ministry of Education. Her academic foundation includes: PhD in Informatics from the University of Piraeus MSc in Information Systems from the University of Athens BSc in Informatics from the University of Piraeus Dr. Krouska's research program centers on Artificial Intelligence Systems with emphases on Adaptive Software and VR/AR Systems for educational contexts. Her work bridges Multimedia Applications and Social Networking Services to develop personalized learning technologies, consistently integrating pedagogical theories with computational approaches to enhance user engagement and knowledge transfer. Analysis of her recent publications (2021-2025) reveals dominant themes in AI-driven adaptive learning systems, where fuzzy logic, neural networks, and reinforcement learning enable dynamic personalization. Significant focus exists on virtual/augmented reality applications for skill development, alongside investigations into digital escape rooms and human-AI collaboration frameworks that merge cognitive science with educational technology. Her scholarly recognition includes: Academic performance scholarships Multiple Best Paper awards at international computer science conferences Dr. Krouska actively contributes to academic leadership through editorial roles as Guest Editor for journals including Frontiers in Artificial Intelligence and Entropy, alongside program committee engagements for conferences such as ITS and PCI. Her review activities span numerous publications in the research community. Based at the Laboratory of Educational Technology and e-Learning Systems (K10.124), her work environment supports innovation in educational software design, with particular emphasis on creating immersive, adaptive learning experiences grounded in empirical user studies.

• Computer Networks
• Telematics
• Multimedia Transmission
• +۵ مورد دیگر

Dr. Gkamas Apostolos is an Associate Professor of Computer Applications in the Department of Chemistry at the University of Ioannina, Greece. His research focuses on cutting-edge topics in computer networks, telematics, IoT, and cross-layer design, with a particular emphasis on multimedia transmission optimization and 5G MIMO systems. He holds a Diploma, Master’s Degree, and Ph.D. in Computer Engineering and Informatics from the University of Patras, Greece. Dr. Gkamas has contributed over 130 publications in international journals and conferences, co-authored three books on computer networks and specialized network topics, and actively participated in EU-funded projects such as FP6, FP7, and Intereg eLearning initiatives. His work spans energy efficiency in 5G networks, adaptive beamforming techniques, and latency reduction strategies for IoT applications. Recent studies include groundbreaking research on copolymer architecture for drug delivery systems and simulation-based optimization of network slicing in 5G environments. His research interests also extend to machine learning applications in network resource allocation, chatbot technology assessment (with 40 case studies in Greece), and agent-based energy-saving models for large ships. He has pioneered systems like GuideMe for indoor navigation and long-range IoT search-and-rescue solutions using LoRaWAN technology. Dr. Gkamas has collaborated on projects such as the EU's IST initiative and Greek national programs like PENED and EPEAEK, demonstrating a strong commitment to both academic research and applied technology development. His work bridges theoretical advancements with practical implementations in telecommunications and materials science.

Linardakis Michalisمشاهده پروفایل

دانشیار

• Statistics in Education
• Multivariate Statistics
• Discrete Choice Models
• +۳ مورد دیگر

Linardakis Michalis is an Associate Professor at the Pedagogical Department of Primary Education of the University of Crete . His research focuses on the application of statistical methodologies in educational contexts, particularly Discrete Choice Models , Item Response Theory (IRT) , Bayesian Statistics , and Multivariate Statistics . He actively engages in quantitative analysis of teaching practices and educational technologies. Education : PhD (2005), MSc (1998), and Diploma (1994) Linardakis employs innovative statistical techniques to assess educational interventions, including the impact of ICT-based teaching , teacher perceptions during the COVID-19 pandemic , and the role of animals in classrooms . His work bridges statistical rigor with practical pedagogical applications. Recent publications highlight his use of Discrete Choice Models to analyze teacher preferences for ICT integration and classroom environments. He also contributes to developing psychometric tools like the Scale of Preschool Graphomotor Skills (SPGS) and Scale to Assess Preschoolers’ Attitudes towards Pets (SPAP) , emphasizing measurement innovation in education. Linardakis teaches at the University of Crete and maintains regular office hours. He is reachable via email at michalis@uoc.gr for academic correspondence and collaborates on interdisciplinary projects involving educational technology, psychology, and statistical modeling.

• E-Learning
• Multimedia Systems
• Educational Technology
• +۳ مورد دیگر

Nikos Pappas is a Researcher affiliated with the School of Electrical and Computer Engineering (ECE) at the Technical University of Crete. He is part of the TUC/MUSIC Laboratory (Laboratory of Distributed Multimedia Information Systems and Applications), focusing on interdisciplinary research in e-learning platforms, multimedia systems, and service-oriented architectures. His work emphasizes innovative educational technologies, digital ecosystems, and knowledge management infrastructure. His academic contributions span over two decades, with notable projects such as Coursevo (a gamified online learning platform) and Py4hs (a Python teacher training program). He actively contributes to advancing educational technologies through frameworks like PerFECt and TeC, which integrate computational principles into interdisciplinary learning environments. Key areas of expertise include distributed multimedia systems, metadata management, and platform development for collaborative learning communities. His research bridges theoretical computer science with practical applications, particularly in vocational training, robotics education, and digital business ecosystems. Though no awards are explicitly listed, his extensive publications reflect impactful contributions to e-learning systems and multimedia infrastructure. He advises on educational technology initiatives and maintains an active role in the development of open learning environments like MOLE (Multimedia Open Learning Environment).