T. J. Allen, Managing the Flow of Technology : Technology Transfer and the Dissemination of Technological Information Within the R&D Organization, 1984.

J. Adams, B. Rogers, S. Hayne, G. Mark, J. Nash et al., The eect of a telepointer on student performance and preference, Comput. Educ, vol.44, p.3551, 2005.

D. Barstow, Articial intelligence and software engineering, Proceedings of the 9th international conference on Software Engineering, ICSE '87, 1987.

T. Jacob, B. P. Biehl, and . Bailey, Aris : an interface for application relocation in an interactive space, Proceedings of Graphics Interface, p.107116, 2004.

B. B. Baltes, M. W. Dickson, M. P. Sherman, C. C. Bauer, and J. S. Laganke, Computer-Mediated Communication and Group Decision Making: A Meta-Analysis, Organizational Behavior and Human Decision Processes, vol.87, issue.1, pp.156-179, 2002.
DOI : 10.1006/obhd.2001.2961

A. Eric, S. Bier, and . Freeman, Mmm : a user interface architecture for shared editors on a single screen, Proceedings of the 4th annual ACM symposium on User interface software and technology, UIST '91, pp.79-86, 1991.

[. Baker, S. Greenberg, and C. Gutwin, Heuristic Evaluation of Groupware Based on the Mechanics of Collaboration, Proceedings of the 8th IFIP International Conference on Engineering for Human-Computer Interaction , EHCI '01, p.123140, 2001.
DOI : 10.1007/3-540-45348-2_14

B. , S. A. Bly, S. R. Harrison, and S. Irwin, Media spaces : bringing people together in a video, audio, and computing environment, Commun. ACM, vol.36, p.2846, 1993.

M. Beaudouin-lafon, Interaction Instrumentale : de la manipulation directe à la réalité augmentée. Actes des Neuvièmes Journées sur l'Interaction Homme Machine, IHM'97, 1997.

M. Beaudouin-lafon, Designing interaction, not interfaces, Proceedings of the working conference on Advanced visual interfaces , AVI '04, p.1522, 2004.
DOI : 10.1145/989863.989865

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.537.3526

S. A. Bly, A use of drawing surfaces in dierent collaborative settings, Proceedings of the 1988 ACM conference on Computer-supported cooperative work, CSCW '88, p.250256, 1988.

A. Bezerianos and G. Mcewan, Presence disparity in mixed presence collaboration, Proceeding of the twenty-sixth annual CHI conference extended abstracts on Human factors in computing systems , CHI '08, p.32853290, 2008.
DOI : 10.1145/1358628.1358845

E. Johnston, Collocation bindness in partially distributed groups : is there a downside to being collocated ?, Proceedings of the SIGCHI conference on Human Factors in computing systems, CHI '06, p.13131321, 2006.

M. M. Bekker, J. S. Olson, and G. M. Olson, Analysis of gestures in face-to-face design teams provides guidance for how to use groupware in design, Proceedings of the conference on Designing interactive systems processes, practices, methods, & techniques, DIS '95, p.157166, 1995.
DOI : 10.1145/225434.225452

[. Brown, Social identity theory: past achievements, current problems and future challenges, European Journal of Social Psychology, vol.58, issue.4, p.745778, 2000.
DOI : 10.1002/1099-0992(200011/12)30:6<745::AID-EJSP24>3.0.CO;2-O

A. Borning and M. Travers, Two approaches to casual interaction over computer and video networks, Proceedings of the SIGCHI conference on Human factors in computing systems Reaching through technology, CHI '91, p.1319, 1991.
DOI : 10.1145/108844.108847

A. S. William and . Buxton, Telepresence : integrating shared task and person spaces, Proceedings of the conference on Graphics interface '92, p.123129, 1992.

J. M. Carroll, Making use, Proceedings of the conference on Designing interactive systems processes, practices, methods, and techniques, DIS '00, p.4, 2000.
DOI : 10.1145/347642.347652

P. Cook, C. Ellis, M. Graf, G. Rein, and T. Smith, Project Nick: meetings augmentation and analysis, ACM Transactions on Information Systems, vol.5, issue.2, pp.132-146, 1987.
DOI : 10.1145/27636.27638

R. [. Cool, R. E. Fish, C. M. Kraut, and . Lowery, Iterative design of video communication systems, Proceedings of the 1992 ACM conference on Computer-supported cooperative work , CSCW '92, p.2532, 1992.
DOI : 10.1145/143457.143458

J. Coutaz and M. Herrmann, Adèle et le Médiateur-Compositeur ou Comment rendre une Application Interactive indépendante de l'Interface Usager Actes du deuxième colloque de Génie Logiciel (AFCET84), 1984. [Che53] E. Colin Cherry. Some experiments on the recognition of speech, with one and with two ears, The Journal of the Acoustical Society of America, vol.25, issue.5, pp.975-979, 1953.

C. Trena, H. Lilly-charles, M. A. Sinex, and . Harlow, Using the war room process to explore network-centric warfare, JOHNS HOPKINS APL TECHNICAL DIGEST, vol.21, issue.3, pp.368-377, 2000.

C. Cruz-neira, D. J. Sandin, T. A. Defanti, R. V. Kenyon, and J. C. Hart, The CAVE: audio visual experience automatic virtual environment, Communications of the ACM, vol.35, issue.6, p.6472, 1992.
DOI : 10.1145/129888.129892

C. Cruz-neira, D. J. Sandin, T. A. Defanti, R. V. Kenyon, and J. C. Hart, The CAVE: audio visual experience automatic virtual environment, Communications of the ACM, vol.35, issue.6, p.6472, 1992.
DOI : 10.1145/129888.129892

]. C. Cra02 and . Cramton, Attribution in distributed work groups In Distributed work : New ways of working across distance using technology, 2002.

C. Vial, B. T. David, and F. Tarpin-bernard, Ergonomie du travail coopératif en conception, Actes de la conférence ERGO'IA 1996, 1996.

M. Dobbs and W. D. Crano, Outgroup Accountability in the Minimal Group Paradigm: Implications for Aversive Discrimination and Social Identity Theory, Personality and Social Psychology Bulletin, vol.27, issue.3, p.355364, 2001.
DOI : 10.1177/0146167201273009

]. P. Dew99 and . Dewan, Architecture for collaborative applications. Computer Supported Cooperative Work, 1999.

M. Daassi and M. Favier, Developing a measure of collective awareness in virtual teams, International Journal of Business Information Systems, vol.2, issue.4, p.413425, 2007.
DOI : 10.1504/IJBIS.2007.012543

URL : https://hal.archives-ouvertes.fr/halshs-00623135

P. Dizio and J. R. Lackner, Spatial Orientation, Adaptation, and Motion Sickness in Real and Virtual Environments, Presence: Teleoperators and Virtual Environments, vol.63, issue.3, p.319328, 1992.
DOI : 10.1113/jphysiol.1976.sp011330

P. Dietz and D. Leigh, DiamondTouch, Proceedings of the 14th annual ACM symposium on User interface software and technology , UIST '01
DOI : 10.1145/502348.502389

N. Dang, J. Pergandi, F. Crison, J. Ardouin, and D. Mestre, Inuence of orientation oset between control and display space on user performance during the rotation of 3d objects, Eurographics Association, p.129136, 2009.

[. Delaney, T. Ward, and S. Mcloone, On consistency and network latency in distributed interactive applications : a surveypart i, Presence : Teleoper. Virtual Environ, vol.15, p.218234, 2006.

D. Engelbart and W. English, A research center for augmenting human intellect, Proceedings of the December 9-11, 1968, fall joint computer conference, part I on, AFIPS '68 (Fall, part I), 1968.
DOI : 10.1145/1476589.1476645

C. A. Ellis, S. J. Gibbs, and G. Rein, Groupware: some issues and experiences, Communications of the ACM, vol.34, issue.1, p.3958, 1991.
DOI : 10.1145/99977.99987

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.105.6398

R. Eckstein, M. Loy, and D. Wood, Java Swing, 1998.

C. Carlsson and O. Hagsand, Dive a platform for distributed multi-user virtual environments, Computer Graphics 17, p.663669, 1993.

K. Everitt, C. Shen, K. Ryall, and C. Forlines, MultiSpace: Enabling Electronic Document Micro-mobility in Table-Centric, Multi-Device Environments, First IEEE International Workshop on Horizontal Interactive Human-Computer Systems (TABLETOP '06), 2006.
DOI : 10.1109/TABLETOP.2006.23

C. Ellis and J. Wainer, A conceptual model of groupware, Proceedings of the 1994 ACM conference on Computer supported cooperative work , CSCW '94, p.7988, 1994.
DOI : 10.1145/192844.192878

F. Tarpin-bernard, Travail coopératif synchrone assisté par ordinateur : Approche AMF-C, Thèse de doctorat, 1997.

R. S. Fish, R. E. Kraut, and B. L. Chalfonte, The VideoWindow system in informal communication, Proceedings of the 1990 ACM conference on Computer-supported cooperative work , CSCW '90, p.111, 1990.
DOI : 10.1145/99332.99335

P. Fuchs, Les interfaces de la réalité virtuelle, 1996.

C. Gutwin and S. Greenberg, Design for individuals, design for groups, Proceedings of the 1998 ACM conference on Computer supported cooperative work , CSCW '98, p.207216, 1998.
DOI : 10.1145/289444.289495

C. Gutwin and S. Greenberg, A Descriptive Framework of Workspace Awareness for Real-Time Groupware, Computer Supported Cooperative Work (CSCW), vol.34, issue.2, pp.411-446, 2002.
DOI : 10.1023/A:1021271517844

T. Gjerlufsen, C. Nylandsted-klokmose, J. Eagan, C. Pillias, and M. Beaudouin-lafon, Shared substance, Proceedings of the 2011 annual conference on Human factors in computing systems, CHI '11, p.33833392, 2011.
DOI : 10.1145/1978942.1979446

URL : https://hal.archives-ouvertes.fr/hal-00997891

A. C. , B. Garcia, J. Kunz, M. Ekstrom, and A. Kiviniemi, Building a project ontology with extreme collaboration and virtual design and construction, Adv. Eng. Inform, vol.18, p.7183, 2004.

[. Gerbaud, N. Mollet, and B. Arnaldi, Virtual Environments for Training: From Individual Learning to Collaboration with Humanoids, Proceedings of the 2nd international conference on Technologies for e-learning and digital entertainment, p.116127, 2007.
DOI : 10.1007/978-3-540-73011-8_14

URL : https://hal.archives-ouvertes.fr/inria-00165985

T. [. Nicholas-graham, T. Nicholas, and . Urnes, Integrating support for temporal media into an architecture for graphical user interfaces, 1997.

C. Gutwin and R. Penner, Improving interpretation of remote gestures with telepointer traces, Proceedings of the 2002 ACM conference on Computer supported cooperative work , CSCW '02, p.4957, 2002.
DOI : 10.1145/587078.587086

J. Grudin, Why CSCW applications fail: problems in the design and evaluationof organizational interfaces, Proceedings of the 1988 ACM conference on Computer-supported cooperative work, CSCW '88, p.8593, 1988.
DOI : 10.1145/62266.62273

J. Grudin, Computer-supported cooperative work: history and focus, Computer, vol.27, issue.5, p.1926, 1994.
DOI : 10.1109/2.291294

J. Grudin, Partitioning digital worlds, Proceedings of the SIGCHI conference on Human factors in computing systems , CHI '01, p.458465, 2001.
DOI : 10.1145/365024.365312

C. Andrew-gutwin, Workspace awareness in real-time distributed groupware, p.31029, 1998.

E. T. Hall, Distances in Man : The Hidden Dimension. Double Day, 1966.

J. P. , H. , and B. B. Bederson, Architecture and implementation of a java package for multiple input devices (mid), 1999.

R. D. Hill, T. Brinck, S. L. Rohall, J. F. Patterson, and W. Wilner, The Rendezvous architecture and language for constructing multiuser applications, ACM Transactions on Computer-Human Interaction, vol.1, issue.2, p.81125, 1994.
DOI : 10.1145/180171.180172

[. Hinrichs, S. Carpendale, and S. D. Scott, Evaluating the eects of uid interface components on tabletop collaboration, Proceedings of the working conference on Advanced visual interfaces, AVI '06, pp.27-34, 2006.

S. Harrison and P. Dourish, Re-place-ing space, Proceedings of the 1996 ACM conference on Computer supported cooperative work , CSCW '96, p.6776, 1996.
DOI : 10.1145/240080.240193

. Inkpen, The proximity factor : impact of distance on co-located collaboration, Proceedings of the 2005 international ACM SIGGROUP conference on Supporting group work, GROUP '05, p.3140, 2005.

E. M. Huang and E. D. Mynatt, Semi-public displays for small, co-located groups, Proceedings of the conference on Human factors in computing systems , CHI '03, p.4956, 2003.
DOI : 10.1145/642611.642622

. Grinter, Distance, dependencies, and delay in a global collaboration, Proceedings of the 2000 ACM conference on Computer supported cooperative work, CSCW '00, p.319328, 2000.

E. Hutchins and L. Palen, Constructing meaning constructing meaning from space, gesture, and speech, 1997.
DOI : 10.1007/978-3-662-03362-3_2

[. Idrus, Z. Z. Siti, R. Abidin, N. Hashim, and . Omar, Awareness in networked collaborative environment : a comparative study on the usage of digital elements, Proceedings of the 9th WSEAS international conference on Applications of computer engineering, ACE'10, p.236241, 2010.

Z. Idrus, Z. Z. Siti, R. Abidin, N. Hashim, and . Omar, Social awareness : the power of digital elements in collaborative environment, W. Trans. on Comp, vol.9, p.644653, 2010.

S. Izadi, H. Brignull, T. Rodden, Y. Rogers, and M. Underwood, Dynamo, Proceedings of the 16th annual ACM symposium on User interface software and technology , UIST '03, p.159168, 2003.
DOI : 10.1145/964696.964714

H. Ishii, M. Kobayashi, and J. Grudin, Integration of interpersonal space and shared workspace: ClearBoard design and experiments, ACM Transactions on Information Systems, vol.11, issue.4
DOI : 10.1145/159764.159762

H. Ishii and N. Miyake, Toward an open shared workspace, ACM SIGOIS Bulletin, vol.13, issue.1, pp.37-50, 1991.
DOI : 10.1145/130643.130666

[. Isenberg, A. Tang, and S. Carpendale, An exploratory study of visual information analysis, Proceeding of the twenty-sixth annual CHI conference on Human factors in computing systems , CHI '08, p.12171226, 2008.
DOI : 10.1145/1357054.1357245

B. Johanson, A. Fox, and T. Winograd, The Interactive Workspaces project: experiences with ubiquitous computing rooms, IEEE Pervasive Computing, vol.1, issue.2, p.6774, 2002.
DOI : 10.1109/MPRV.2002.1012339

B. Johanson, A. Fox, and T. Winograd, The Stanford Interactive Workspaces Project, p.3161, 2010.
DOI : 10.1007/978-1-84800-098-8_2

. Robert and . Johansen, Groupware : computer support for business teams / Robert Johansen ; with contributions by Je Charles

L. Covi-judith, J. S. Olson, E. Rocco, W. J. Miller, and P. Allie, A room of your own : What do we learn about support of teamwork from assessing teams in dedicated project rooms ? In in Dedicated Project Rooms ?, Proceedings of First International Workshop on Cooperative Buildings (CoBuild'98, p.5365, 1998.

]. A. Kar94 and . Karsenty, Le collecticiel : de linteraction homme-machine à la communication homme-machine-homme, Technique et Science Informatiques, p.105127, 1994.

K. Kiyokawa, M. Billinghurst, S. E. Hayes, A. Gupta, Y. Sannohe et al., Communication behaviors of co-located users in collaborative AR interfaces, Proceedings. International Symposium on Mixed and Augmented Reality, p.139, 2002.
DOI : 10.1109/ISMAR.2002.1115083

[. Kruger, S. Carpendale, S. D. Scott, and S. Greenberg, How people use orientation on tables, Proceedings of the 2003 international ACM SIGGROUP conference on Supporting group work , GROUP '03, p.369378, 2003.
DOI : 10.1145/958160.958219

A. Kendon, Conducting Interaction : Patterns of Behavior in Focused Encounters (Studies in Interactional Sociolinguistics), 1990.

A. Khan, G. Fitzmaurice, D. Almeida, N. Burtnyk, and G. Kurtenbach, A remote control interface for large displays, Proceedings of the 17th annual ACM symposium on User interface software and technology , UIST '04, p.127136, 2004.
DOI : 10.1145/1029632.1029655

E. Glenn, S. T. Krasner, and . Pope, A cookbook for using the modelview controller user interface paradigm in smalltalk-80, J. Object Oriented Program, vol.1, p.2649, 1988.

[. Lee, A. Girgensohn, and K. Schlueter, NYNEX portholes, Proceedings of the international ACM SIGGROUP conference on Supporting group work : the integration challenge the integration challenge, GROUP '97, p.385394, 1997.
DOI : 10.1145/266838.267359

[. Lee, H. Lee, and K. Oh, Real-time image-based 3D avatar for immersive game, Proceedings of The 7th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and Its Applications in Industry, VRCAI '08, p.321341, 1992.
DOI : 10.1145/1477862.1477921

P. Lévy, Les technologies de lintelligence, Éditions La découverte, 1990.

G. M. Olson, Collaborative Work as Distributed Cognition, 1990.

S. [. Mark and . Abrams, Sensemaking and design practices in large-scale group-to-group distance collaboration, ACM CHI 2004 Workshop on Designing for Reective Practitioners, 2004.

[. Mark, S. Abrams, and N. Nassif, Group-to-Group Distance Collaboration: Examining the ???Space Between???, Proceedings of the eighth conference on European Conference on Computer Supported Cooperative Work, p.99118, 2003.
DOI : 10.1007/978-94-010-0068-0_6

D. Margery, Environnement logiciel temps-réel distribué pour la simulation sur réseau de PC, 2001.

G. Mark, Extreme collaboration, Communications of the ACM, vol.45, issue.6, p.8993, 2002.
DOI : 10.1145/508448.508453

J. Daniel and . Mcallister, Aect-and Cognition-Based Trust as Foundations for Interpersonal Cooperation in Organizations, The Academy of Management Journal, vol.38, issue.1, p.2459, 1995.

D. M. Mcdonald, Fixing blame in n-person attributions : a social identity model for attributional processes in newly-formed cross-functional groups, 1995.

B. Macintyre and S. Feiner, A distributed 3D graphics library, Proceedings of the 25th annual conference on Computer graphics and interactive techniques , SIGGRAPH '98, p.361370, 1998.
DOI : 10.1145/280814.280935

E. D. Mynatt, T. Igarashi, W. K. Edwards, and A. La-marca, Flatland, Proceedings of the SIGCHI conference on Human factors in computing systems the CHI is the limit, CHI '99, p.346353, 1999.
DOI : 10.1145/302979.303108

[. Mcewan, M. Rittenbruch, and T. Manseld, Understanding awareness in mixed presence collaboration, Proceedings of the 2007 conference of the computer-human interaction special interest group (CHISIG) of Australia on Computer-human interaction: design: activities, artifacts and environments , OZCHI '07, p.171174, 2007.
DOI : 10.1145/1324892.1324924

E. D. Mynatt, The writing on the wall, Proceedings of the ACM 2009 international conference on Supporting group work, Proceedings of INTER- ACT'99 : Seventh IFIP Conference on Human-Computer Interaction International Federation for Information Processing, 1999.

A. Donald, S. W. Norman, and . Draper, User Centered System Design ; New Perspectives on Human-Computer Interaction, 1986.

L. Nigay, Conception et modélisation logicielles des systèmes interactifs : application aux interfaces multimodales, 1994.

J. S. Olson, L. Covi, E. Rocco, W. J. Miller, and P. Allie, A room of your own, CHI 98 conference summary on Human factors in computing systems , CHI '98, p.279280, 1998.
DOI : 10.1145/286498.286759

G. M. Olson, L. A. Mack, J. S. Olson, and P. Wellner, User???centered design of collaboration technology, Proceedings of Interact 90 -Third IFIP Conference on Human-Computer Interaction, p.835840, 1990.
DOI : 10.1207/s15327051hci0301_2

]. R. Pan64 and . Panko, Oce work. oce : technology and people, 1964.

P. Kyoung-shin, Enhancing cooperative work in amplied collaboration environments, 2003.

J. F. Patterson, A taxonomy of architectures for synchronous groupware applications, ACM SIGOIS Bulletin, vol.15, issue.3, p.2729, 1995.
DOI : 10.1145/201947.201969

E. Prasolova-forland, Supporting Social Awareness Among University Students in 3D CVEs: Benefits and Limitations, 2004 International Conference on Cyberworlds, p.127134, 2004.
DOI : 10.1109/CW.2004.59

[. Prasolova-førland and M. Divitini, Collaborative virtual environments for supporting learning communities : an experience of use, Proceedings of the 2003 international ACM SIGGROUP conference on Supporting group work, GROUP '03, p.5867, 2003.

L. Stéphane and . Picard, Plate-forme de communication distribuée pour les Environnements Virtuels Collaboratifs 3D à fort couplage dactivité synchrone, 2003.

[. Prante, N. Streitz, and P. Tandler, Roomware: computers disappear and interaction evolves, Computer, vol.37, issue.12, p.4754, 2004.
DOI : 10.1109/MC.2004.255

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.466.8296

E. C. Hofer, J. D. Herbsleb, E. Rocco, and T. A. Finholt, Out of sight, short of trust, Presentation at the Founding Conference of the European Academy of Management, 2001.

Y. Rogers and S. Lindley, Collaborating around vertical and horizontal large interactive displays: which way is best?, Interacting with Computers, vol.16, issue.6, 2004.
DOI : 10.1016/j.intcom.2004.07.008

T. Robertson, Cooperative Work and Lived Cognition: A Taxonomy of Embodied Actions, Proceedings of the fth conference on European Conference on Computer-Supported Cooperative Work, p.205220, 1997.
DOI : 10.1007/978-94-015-7372-6_14

Y. Rogers, Cognition and communication at work, engestrm, y. and middleton, Comput. Supported Coop. Work, vol.6, p.400402, 1997.

J. Leigh, A. Johnson, K. Park, A. Nayak, R. Singh et al., Amplied collaboration environments, VizGrid Symposium, 2002.

D. Salber, De l'interaction individuelle aux systèmes multiutilisateurs. L'exemple de la Communication Homme-Homme-Médiatisée, 1995.

K. Schmidt and L. Bannon, Taking CSCW seriously, Computer Supported Cooperative Work (CSCW), vol.4, issue.3, p.740, 1992.
DOI : 10.1007/BF00752449

A. Wendy, D. A. Schafer, and . Bowman, Integrating 2d and 3d views for spatial collaboration, Proceedings of the 2005 international ACM SIG- GROUP conference on Supporting group work, GROUP '05, p.4150, 2005.

J. Stewart, B. B. Bederson, and A. Druin, Single display groupware, Proceedings of the SIGCHI conference on Human factors in computing systems the CHI is the limit, CHI '99, p.286293, 1999.
DOI : 10.1145/302979.303064

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.41.6491

M. Stek, D. G. Bobrow, G. Foster, S. Lanning, and D. Tatar, Wysiwis revised : early experiences with multiuser interfaces, ACM Trans. Inf. Syst, vol.5, p.147167, 1987.

D. Salber and J. Coutaz, De l'observabilité et de l'honnêteté : le cas du contrôle d'accès dans la communication homme-homme médiatisée, 1995.

A. Schutz, On phenomenology and social relations ; selected writings. Edited and with an introd, 1970.

D. Stacey and . Scott, Territoriality in collaborative tabletop workspaces, p.4617, 2005.

A. Edmondson and D. Sole, Situated knowledge and learning in dispersed teams, British Journal of Management, vol.13, issue.18, pp.17-34, 2002.

M. Stek, G. Foster, D. G. Bobrow, K. Kahn, S. Lanning et al., Beyond the chalkboard : computer support for collaboration and problem solving in meetings, Commun. ACM, vol.30, p.3247, 1987.

S. D. Scott, K. D. Grant, and R. L. Mandryk, System Guidelines for Co-located, Collaborative Work on a Tabletop Display, Proceedings of the eighth conference on European Conference on Computer Supported Cooperative Work, p.159178, 2003.
DOI : 10.1007/978-94-010-0068-0_9

]. B. Shn83 and . Shneiderman, Direct manipulation : A step beyond programming languages, Computer, vol.16, p.5769, 1983.

K. [. Scott and . Inkpen, Understanding children's collaborative interactions in shared environments, Journal of Computer Assisted Learning, vol.34, issue.2, p.220228, 2003.
DOI : 10.1046/j.0266-4909.2003.00022.x

H. Suzuki and H. Kato, Interaction-level support for collaborative learning, The first international conference on Computer support for collaborative learning, CSCL '95, p.349355, 1995.
DOI : 10.3115/222020.222828

C. Shen, N. B. Lesh, F. Vernier, C. Forlines, and J. Frost, Sharing and building digital group histories, Proceedings of the 2002 ACM conference on Computer supported cooperative work, CSCW '02, pp.324-333, 2002.
DOI : 10.1145/587078.587124

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.6201

R. Sommer, Personal space : The behaviour basis of design, N.J, 1969.

]. R. Stu86 and . Stults, Media space, technical report, xerox parc, 1986.

S. Greenberg, M. Using, R. Metaphor, E. Transitions, and S. Greenberg, Using a room metaphor to ease transitions in groupware, 1998.

. Henri, Dierentiation between social groups : studies in the social psychology of intergroup relations Published in cooperation with European Association of Experimental Social Psychology by, 1978.

C. John and . Tang, Findings from observational studies of collaborative work

P. Tandler, The BEACH application model and software framework for synchronous collaboration in ubiquitous computing environments, Journal of Systems and Software, vol.69, issue.3, p.267296, 2004.
DOI : 10.1016/S0164-1212(03)00055-4

S. [. Thimbleby, I. H. Anderson, and . Witten, Reexive cscw : supporting long-term personal work, Interact. Comput, vol.2, p.330336, 1990.
DOI : 10.1016/0953-5438(90)90005-3

T. Trowt-bayard, Videoconferencing : The Whole Picture, 1994.

A. Tang, M. Boyle, and S. Greenberg, Display and presence disparity in mixed presence groupware, Proceedings of the fth conference on Australasian user interface, p.7382, 2004.

S. Teasley, L. Covi, M. S. Krishnan, and J. S. Olson, How does radical collocation help a team succeed?, Proceedings of the 2000 ACM conference on Computer supported cooperative work , CSCW '00, p.339346, 2000.
DOI : 10.1145/358916.359005

E. Tse and S. Greenberg, Rapidly prototyping single display groupware through the sdgtoolkit, Proceedings of the fth conference on Australasian user interface, p.101110, 2004.

[. Tang, J. Lanir, S. Greenberg, and S. Fels, Supporting transitions in work, Proceedinfs of the ACM 2009 international conference on Supporting group work, GROUP '09, p.149158, 2009.
DOI : 10.1145/1531674.1531697

C. John, S. L. Tang, and . Minneman, Videodraw : a video interface for collaborative drawing, Proceedings of the SIGCHI conference on Human factors in computing systems : Empowering people, CHI '90, p.313320, 1990.

G. B. Terrell and D. S. Mccrickard, Enlightening a co-located community with a semi-public notication system, Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work, CSCW '06, p.2124, 2006.

P. Wegner, Why interaction is more powerful than algorithms, Communications of the ACM, vol.40, issue.5, p.8091, 1997.
DOI : 10.1145/253769.253801

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.57.9269

P. Wellner, Interacting with paper on the DigitalDesk, Communications of the ACM, vol.36, issue.7, 1993.
DOI : 10.1145/159544.159630

S. Whittaker, D. Frohlich, and O. , Informal workplace communication : what is it like and how might we support it ?, Proceedings of the SIGCHI conference on Human factors in computing systems : celebrating interdependence, CHI '94, p.131137, 1994.

L. A. Williams and R. R. Kessler, All I really need to know about pair programming I learned in kindergarten, Communications of the ACM, vol.43, issue.5, p.108114, 2000.
DOI : 10.1145/332833.332848

D. Wigdor, C. Shen, C. Forlines, and R. Balakrishnan, Tablecentric interactive spaces for real-time collaboration, ACM AVI, p.103107, 2006.

K. Watabe, S. Sakata, K. Maeno, H. Fukuoka, and T. Ohmori, Distributed multiparty desktop conferencing system: MERMAID, Proceedings of the 1990 ACM conference on Computer-supported cooperative work , CSCW '90, p.2738, 1990.
DOI : 10.1145/99332.99338

T. Yingyan, Z. Jun-sheng, and G. Zhijun, Design and Implementation of Interactive 3D Scenes Based on Virtools, 2009 International Forum on Computer Science-Technology and Applications, 2009.
DOI : 10.1109/IFCSTA.2009.142

A. Zanella and S. Greenberg, A Single Display Groupware Widget Set. Number Section 2, 2000.