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Training at Aeroflot

INRAL Ltd. Training at Aeroflot. Using a virtual environment for aviation English training. CALL system for preparation to the ICAO English tests (implemented in 2005 in Aeroflot Training Center). yes. Qualification exams. Periodical consultations. ICAO level 4. Self-training:

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Training at Aeroflot

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  1. INRAL Ltd. Training at Aeroflot Using a virtual environment for aviation English training

  2. CALL system for preparation to the ICAO English tests (implemented in 2005 in Aeroflot Training Center) yes Qualification exams Periodical consultations ICAO level 4 Self-training: On-line courses, collection of training materials on CD no Language skills evaluation (Annual testing – defining ICAO level) Individual course correction Adaptive individual course designing, planning consultations and tests 2

  3. The aim: to increase the efficiency of communication skills training in aviation English learning system. • Two lines of development: • creating or choosing effective virtual environment for organizing virtual consultations and classroom like training – with real teacher • developing new software for learning English through training dialogues ( using of chatbots and virtual agents) – for self-paced training, replacing real teacher with virtual assistant

  4. First line of development: virtual environment for aviation English consultations and training • Main tasks: • To develop cost-effective on-line solution which will allow to imitate the classroom group training and consultations • 2. To adopt the existing aviation English learning methodology for training in virtual environment • 3. To modify the existing computer training courses and materials for • using in virtual environment The solution: to build virtual environment based on virtual world technology.

  5. Training in virtual environment – the dialog between teacher and trainee or trainees. • Training dialog could include such objects as: • Presentations - Audio files • - Video files - various exercises and tests.

  6. General system scheme Virtual Environment AdministratorInterface Student Interface OpenSimulator Server Statistics gathering service Internal Web browser Teacher Interface Learning Management System (LMS) Legend: Statistics DB Assets HTTP protocol Units (Lessons) DB DB links Database module

  7. Second line of development: using of chabots for self-paced aviation English training, replacing real teacher with virtual assistant. A chatterbot (or chatbot) is a type of conversational agent, a computer program designed to simulate an intelligent conversation with one or more human users via auditory or textual methods. (www.wikipedia.org) A.L.I.C.E (Artificial Linguistic Internet Computer Entity) - the most famous chatbot developed by Richard Wallace. The program uses XML Schema called AIML (Artificial Intelligence Markup Language) for specifying the heuristic conversation rules. The basic knowledge unit (“category”) in AIML consists of an input question (“pattern”), an output answer (“template”), and an optional context. The dialogue is based on algorithms for automatic detection of patterns in the dialogue data.

  8. Virtual Assistant as a community of chatbots with special competenties. Latent semantic analysis (LSA) is mathematical method for computer modeling and simulation of the meaning of words and passages by analysis of representative corpora of natural text. LSA closely approximates many aspects of human language learning and understanding. User Input Spellshecker LSA (Latent Semantic Analysis) Grammar Checker (Parser) Grammar question Grammar error Radiotelephony chatbot Aviation English chatbot Generic chatbot Grammar chatbot Answer

  9. Radiotelephony chatbot General control block XML scenario User input AIML set 1 AIML sets AIML set N ICAO doc.4444 (Rules of the AIR and Air Traffic Services, Part X Praseologies) Example: Circumstances: Level changes, reports and rates. Phraseologies: a) CLIMB (or DESCEND); followed as necessary by: TO (level); TO REACH (level) AT (or BY) (time or significant point); REPORT LEAVING (or REACHING, or PASSING) (level) REPORT PASSING ODD (or EVEN) LEVELS STOP CLIMB (or DESCENT) AT (level) REQUEST LEVEL CHANGE FROM (name of unit) AT (time or significant point) and so on.

  10. General system scheme Virtual assistant Set of expert chatbots Aviation English chatbot Virtual Environment User question analyzer Administrator Interface Radiotelephony chatbot Pattern processing module English Grammar chatbot Student Interface OpenSimulator Server Pseudo Client (Avatar) Generic chatbot Statistics gathering service Internal Web browser General Control module Teacher Interface Learning Management System (LMS) Legend: Statistics DB HTTP protocol Units(Lessons) DB Assets DB “user question-chatbot answer” loop Database module Direct avatar control DB links

  11. Unit (lesson) structure (XML file)

  12. Presentation

  13. Quest_dialog

  14. Using of video fragment

  15. Scheme of working prototype

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