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This tool is a three-dimensional space where participants, represented by three-dimensional humanoid avatars, can use a variety of e-collaboration tools. This paper presents advanced functionality that has been integrated on \u201cEVE Training Area tool\u201d in order to support: (a) multiple collaborative learning techniques (b) Spatial audio conferencing, which is targeted to support principle 3 (augmenting user's representation and awareness). Furthermore the paper presents technological and implementation issues concerning the evolution of \u201cEVE platform\u201d in order to support this functionality.<\/p>","DOI":"10.4018\/ijdet.2014010102","type":"journal-article","created":{"date-parts":[[2014,7,25]],"date-time":"2014-07-25T15:59:12Z","timestamp":1406303952000},"page":"13-37","source":"Crossref","is-referenced-by-count":3,"title":["Implementing Advanced Characteristics of X3D Collaborative Virtual Environments for Supporting e-Learning"],"prefix":"10.4018","volume":"12","author":[{"given":"Christos","family":"Bouras","sequence":"first","affiliation":[{"name":"Research Academic Computer Technology Institute, Patras, Greece & Department of Computer Engineering and Informatics, University of Patras, Patras, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vasileios","family":"Triglianos","sequence":"additional","affiliation":[{"name":"Department of Computer Engineering and Informatics, University of Patras, Patras, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thrasyvoulos","family":"Tsiatsos","sequence":"additional","affiliation":[{"name":"Department of Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"ijdet.2014010102-0","doi-asserted-by":"publisher","DOI":"10.1207\/s15327108ijap0702_2"},{"key":"ijdet.2014010102-1","author":"E.Barkley","year":"2004","journal-title":"Collaborative learning techniques: A handbook for college faculty"},{"key":"ijdet.2014010102-2","author":"D. 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