(ESPRIT-860): “Linguistic Analysis of the European Languages” (1986-1989). Study and modeling of the Greek language and the transformation of written text to spoken language and the reverse.
BECOS (EURECA EU-385): “A Natural Language Front-End to Databases with Speech Facilities”, (1991-1995). Development of a natural language front-end for databases, in several European languages using both text and voice as input stream.
 POLYGLOT (ESPRIT II-2104): “A Multilanguage Speech-to-Text and Text-to-Speech System”, (1989-1993). Design and Development of a large Vocabulary Isolated-Word Recognition system (IWSR), Text-to-Speech Synthesis, Continuous Speech Recognition.
 LOGOS (STRIDE 15): “Development of the Language and Speech industry”, (1991-1994). Development of the infrastructure for the language industry in Greece through the creation of data bases, execution of a number of statistical and phonetic studies and development of a number of hardware and software methodologies.
 TRANSLEARN (LRE, 61-016): “Interactive Corpus-based Translation Drafting Tool”, (1993-1995). Development of an interactive corpus-based translation drafting tool, that will relieve the translator from repetitive part of the work, enhance the quality of the output and the productivity of the human translator.
 RIWORD (ESPRIT 5677): “Robust Isolated Word Recognition of Distinct Utterances”, (1991-1993): Development of a robust, speaker independent, small vocabulary, isolated word recognizer over telephone lines.
 GRAMCHECK (MLAP 11): “A Grammatical and Style Checker”, (1994-1995). Development of an integrated tool for grammatical and stylistic analysis of multilingual documents.
 LEXICON (COLLINS) (1993-1995): Design and Development of an English-Greek, Greek-English Electronic dictionary using 20,000,000-word Corpus
NOW: “Lexicography using Computer” (1993-1995). A Training Program in Lexicography using Computers.
 TRANSLIB (LIB-3038): “Advanced Tools for Accessing Multilingual Library Catalogues”, (1995-1997). Development of a front-end tool for library automation systems, that enables the language transparent search, access and presentation of multilingual bibliographic catalogues.
 ACCeSS (LE-1 1802): “Automated Call Center through Speech Understanding System”, (1996-1999). ACCeSS concerns the development of an automated telephone center for the insurance industry utilizing speech recognition, speech understanding and script understanding techniques.
 VASME (TRANSPORT PL-00010): “Value Added Services for Maritime Environment”, (1996-1998) Development of an automatic information system to be used by vessels approaching to harbors or Vessel Traffic Systems (VTS), supporting among others speech recognition and synthesis functionalities.
 DIALOGOS (EPET II): “Improvement of Man-Machine Communication Using Linguistic Technologies”, (1995-1998)
Part I: Development of a Telebanking system, over the public telephone network, utilizing speech recognition and understanding as well as speaker verification techniques.
Part II: Development of an automated letter creation system for business correspondence utilizing speech recognition and natural language processing techniques.
 SPEECHDAT (LE-2 4001): “Speech Databases for the Creation of Voice Driven Teleservices”, (1996-1999). A coordinated effort for the development of large Speech databases (5000 speakers) in all European Languages. (11 languages, 17 dialects).
 COST (EUROPEAN COOPERATION IN SCIENTIFIC AND TECHNICAL RESEARCH) 249: “Continuous Speech Recognition over the Telephone”, (1995-2000).
 COST (EUROPEAN COOPERATION IN SCIENTIFIC AND TECHNICAL RESEARCH) 250: “Speaker Recognition in Telephony” (1995-2000
 IDAS (LE-8315): “Interactive, Telephone-based, Directory Assistance Services”, (1998-2000). Development of Directory Assistance Services over Public Telephonic Networks”.
 SPEECHDAT-CAR (LE-8334): “Speech Data Basis for Voice Driven Teleservices and Control in Automotive Environments”, (1998-2000).
SpeechDat-CAR aims to create language resources for the development of voice operated services for in-vehicle applications in 9 languages.
MITOS (ΕΠΕΤ ΙΙ): “A System to Retrieve and Mine Information – Application in Financial News” (1999-2001)
ΔΗΛΟΣ (98ΓΤ12): “Bilingual Electronic Dictionary of Economic Terms with Reference to Corpora”(1999-2001).
ΔΕΙΚΤΗΣ (98ΤΤ24): “Dialogical Extraction of Information from medical text-corpora of Remote – Control Electrical Systems”, (1999-2001).
 ΙΑΝΟΣ (98ΓΤ46): “A Two-Level System for Automatic Morphological Analysis of the Greek Language». (1999-2001).
 ΥΠΕΡ (99ΥΠ66): Development of a Reliable Continuous Speech Recognition System with the use of hidden models of Markov and Neural Networks”(1999-2002)
 Software Usability (ΕΠΕΤ ΙΙ-00): «Human Network of dispersion of Scientific and Technological Knowledge», (2000-2002).
Artificial Intelligence (ΕΠΕΤ ΙΙ-00): «Human Network of dispersion of Scientific and Technological Knowledge», (2000-2002).
 COST (EUROPEAN COOPERATION IN SCIENTIFIC AND TECHNICAL RESEARCH) 278: “Spoken Language Interaction in Telecommunication”, (2001-2003).
 OrienTel (IST-2000-28373): “Multilingual Access to Interactive Communication Services for the Mediterranean and Middle East”, (2000-2004).
 ORASIS (OOBE 435): “Automatic Recognition of hand-written Documents – Questionnaires”, (2001-2003).
 E2M (IST-2000-30167): “From e-services to mobile services”, (2001-2003).
 GEMINI (IST-2001-32343): “Generic Environment for Multilingual Interactive Natural Interfaces”, (2002-2004).
 INSPIRE (IST-2001-32746): “Infotainment Management with speech Interaction via Remote-Microphones and Telephone Interfaces”, (2002-2004).
MoveON (IST-2005-034753): “Multi-modal and multi-sensor zero-distraction interaction interface for two-wheel vehicles ON the move”, (2006-2009).
PlayMancer (Grand Agreement Number 215839): “A European Serious Gaming 3D Environment, (2007-2010).
Prometheus ‘Prediction and interpretation of human behaviour based on probabilistic sTructures and HEterogeneoUs Sencors”, (2007-2010).
 Amibio (Life+08NAT/GR/539: “Automatic acoustic Monitoring and Inventorying of BIOdiversity”, (2010-2013). Was awarded as best-of-the-best, EC LIFE+ project.
Software Usability (EPET ΙΙ-00): “Human Network for Knowledge Dissemination “, (2000-2002).
 Artificial Intelligence (ΕΠΕΤ ΙΙ-00): “Human Network for Knowledge Dissemination” (2000-2002).
 TECHNOISIS: Artificial Intelligence and Applications (InterUniversity R&D Networks, 2009- )
 MOMIRAS – (GRST), “Mobile Mixed Reality System, (2014-2017)
 FrailSafe: Sensing and predictive treatment of frailty and associated co-morbidities using advanced personalized models and advanced interventions, H2020- RIA
 myAirCoach: Analysis, modelling and sensing of both physiological and environmental factors for the customized and predictive self-management of Asthma, H2020-RIA
 OACTIVE: Advanced personalized, multi-scale computer models preventing OsteoArthritis, H2020-RIA