Search results for "Group"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
28	J. T. Chen, T. Kuhlmann, G. H. Jansen, D. Louis Collins, H. L. Atkins, M. S. Freedman, P. W. O'Connor, Douglas L. Arnold, Canadian MS/BMT Study Group	Voxel-based analysis of the evolution of magnetization transfer ratio to quantify remyelination and demyelination with histopathological validation in a multiple sclerosis lesion.	NeuroImage	2007	DBLP DOI BibTeX RDF
28	C. Robert Almli, Michael J. Rivkin, Robert C. McKinstry, Brain Development Cooperative Group	The NIH MRI study of normal brain development (Objective-2): Newborns, infants, toddlers, and preschoolers.	NeuroImage	2007	DBLP DOI BibTeX RDF
28	Brain Development Cooperative Group, Alan C. Evans	The NIH MRI study of normal brain development.	NeuroImage	2006	DBLP DOI BibTeX RDF
28	Tangible Media Group	Tangibles at play.	SIGGRAPH Emerging Technologies	2006	DBLP DOI BibTeX RDF
28	J. T. Chen, D. Louis Collins, M. S. Freedman, H. L. Atkins, Douglas L. Arnold, Canadian MS/BMT Study Group	Local magnetization transfer ratio signal inhomogeneity is related to subsequent change in MTR in lesions and normal-appearing white-matter of multiple sclerosis patients.	NeuroImage	2005	DBLP DOI BibTeX RDF
28	Scott Hollenbeck, Internet Architecture Board, Internet Engineering Steering Group	IAB and IESG Recommendation for IETF Administrative Restructuring.	RFC	2005	DBLP DOI BibTeX RDF
28	Hideaki Watanabe, Flemming Andersen, Claus Z. Simonsen, Stephen M. Evans, Albert Gjedde, Paul Cumming, DaNeX Study Group	MR-Based Statistical Atlas of the Göttingen Minipig Brain.	NeuroImage	2001	DBLP DOI BibTeX RDF
28	Sonya Rajan, Scotty D. Craig, Barry Gholson, Natalie K. Person, Arthur C. Graesser, The Tutoring Research Group	AutoTutor: Incorporating Back-Channel Feedback and Other Human-Like Conversational Behaviors into an Intelligent Tutoring System.	Int. J. Speech Technol.	2001	DBLP DOI BibTeX RDF
28	Kristen E. Link, Roger J. Kreuz, Arthur C. Graesser, The Tutoring Research Group	Factors that Influence the Perception of Feedback Delivered by a Pedagogical Agent.	Int. J. Speech Technol.	2001	DBLP DOI BibTeX RDF
28	Internet Architecture Board, Internet Engineering Steering Group	IAB/IESG Recommendations on IPv6 Address Allocations to Sites.	RFC	2001	DBLP DOI BibTeX RDF
28	Internet Architecture Board, Internet Engineering Steering Group	IETF Policy on Wiretapping.	RFC	2000	DBLP DOI BibTeX RDF
28	Peggy Hines, Innovative Learning Group, Phyllis B. Oakes, Donna Corley, Calvin O. Lindell	Crossing boundaries: Virtual collaboration across disciplines.	Internet High. Educ.	1998	DBLP DOI BibTeX RDF
28	KOI8-U Working Group	Ukrainian Character Set KOI8-U.	RFC	1998	DBLP DOI BibTeX RDF
28	Colin F. Mackenzie, Nicholas J. Jefferies, William A. Hunter, William Bernhard, Yan Xiao 0001, The Lotas Group, Richard Horst	Comparison of Self-Reporting of Deficiencies in Airway Management with Video Analyses of Actual Performance.	Hum. Factors	1996	DBLP DOI BibTeX RDF
28	Internet Architecture Board, Internet Engineering Steering Group	IAB and IESG Statement on Cryptographic Technology and the Internet.	RFC	1996	DBLP DOI BibTeX RDF
28	Internet Architecture Board, Internet Engineering Steering Group	IPv6 Address Allocation Management.	RFC	1995	DBLP DOI BibTeX RDF
28	Corporate Object Database Management Group	Response to the March 1994 ODMG-93 Commentary Written by Dr. Won Kim of UniSQL, Inc.	SIGMOD Rec.	1994	DBLP DOI BibTeX RDF
28	Internet Engineering Steering Group	The Internet Standards Process - Revision 2.	RFC	1994	DBLP DOI BibTeX RDF
28	Vietnamese Standardization Working Group	Conventions for Encoding the Vietnamese Language VISCII: VIetnamese Standard Code for Information Interchange VIQR: VIetnamese Quoted-Readable Specification.	RFC	1993	DBLP DOI BibTeX RDF
28	Internet Engineering Steering Group, Robert M. Hinden	Applicability Statement for the Implementation of Classless Inter-Domain Routing (CIDR).	RFC	1993	DBLP DOI BibTeX RDF
28	The PLUM System Group	BBN's PLUM Probabilistic Language Understanding System.	TIPSTER	1993	DBLP BibTeX RDF
28	U. K. Implementation Working Group, European Committee for Interoperable Systems	EC Software protection directive.	Comput. Law Secur. Rev.	1992	DBLP DOI BibTeX RDF
28	The Tandem Performance Group	A Benchmark of NonStop SQL on the Debit Credit Transaction (Invited Paper).	SIGMOD Conference	1988	DBLP DOI BibTeX RDF	SQL
28	NetBIOS Working Group	Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts and methods.	RFC	1987	DBLP DOI BibTeX RDF
28	NetBIOS Working Group	Protocol standard for a NetBIOS service on a TCP/UDP transport: Detailed specifications.	RFC	1987	DBLP DOI BibTeX RDF
28	Judith S. Olson, Gary M. Olson, Marianne Storrosten, Mark R. Carter	Groupwork Close Up: A Comparison of the Group Design Process With and Without a Simple Group Editor.	ACM Trans. Inf. Syst.	1993	DBLP DOI BibTeX RDF	concurrent editing, face-to-face work, small group behavior, collaboration, groupware, group support system
28	Jonguk Kim, Sukin Kang, Manpyo Hong, Seong-uck Lee	EDGAR: Extended Dynamic Group-Key AgReement.	SUTC/UMC	2010	DBLP DOI BibTeX RDF	group key establishment, adaptive key size, group member authentication, key agreement, group dynamics
28	Janet A. Sniezek, Marcus Crede	Group Judgment Processes and Outcomes in Videoconferencing vs. Face-to-Face Groups.	HICSS	2002	DBLP DOI BibTeX RDF	group communication, videoconferencing, group decision making, collaborative technology, group process, face-to-face
28	Daniel A. Peak	Building a Group Decision Support Laboratory.	HICSS	2001	DBLP DOI BibTeX RDF	group decision support, collaborative workgroups, electronic meetings, group decisonmaking, executive decisionmaking, group support systems, laboratory
27	Shu-Ling Wang, Gwo-Haur Hwang, Ju-Chun Chu, Pei-Shan Tsai	The role of collective efficacy and collaborative learning behavior in learning computer science through CSCL.	ITiCSE	2009	DBLP DOI BibTeX RDF	collective efficacy, motivation, CSCL
27	Paul A. Pavlou, Angelika Dimoka, Thomas J. Housel	Effective Use of Collaborative IT Tools: Nature, Antecedents, and Consequences.	HICSS	2008	DBLP DOI BibTeX RDF
27	Jen-Chiun Lin, Chun-yen Chou, Feipei Lai, Kuen-Pin Wu	A Distributed Key Management Protocol for Dynamic Groups.	LCN	2002	DBLP DOI BibTeX RDF
27	Shin-ya Tanaka, Fumiaki Sato	A Key Distribution and Rekeying Framework with Totally Ordered Multicast Protocols.	ICOIN	2001	DBLP DOI BibTeX RDF
27	Neff Walker, John B. Smelcer	A comparison of selection time from walking and pull-down menus.	CHI	1990	DBLP DOI BibTeX RDF
27	Terry Winograd	What can we teach about human-computer interaction? (plenary address).	CHI	1990	DBLP DOI BibTeX RDF
27	Hans Brunner	A snapshot of natural language interfaces (panel).	CHI	1990	DBLP DOI BibTeX RDF
27	Jakob Nielsen	Designing for international use (panel).	CHI	1990	DBLP DOI BibTeX RDF
27	S. Joy Mountford	Designers: meet your users (panel).	CHI	1990	DBLP DOI BibTeX RDF	Apple Computer, HyperCard, Inc
27	Marcy Telles	Updating an older interface.	CHI	1990	DBLP DOI BibTeX RDF	WordStar
27	Anne McDougall	Issues in the Assessment of Real-Life Learning with ICT.	Information and Communication Technologies and Real-Life Learning	2004	DBLP DOI BibTeX RDF	multimedia, Assessment, research, group work, cognitive style
27	Vanessa Rood, Amy S. Bruckman	Member behavior in company online communities.	GROUP	2009	DBLP DOI BibTeX RDF	company online communities, online brand community, online communites, brand, branding
27	David Pinelle, Nelson Wong, Tadeusz Stach, Carl Gutwin	Usability heuristics for networked multiplayer games.	GROUP	2009	DBLP DOI BibTeX RDF	NGH, game usability, networked game heuristics, usability, heuristic evaluation, networked games, multiplayer games
27	Neta Aizenbud-Reshef, Ido Guy, Michal Jacovi	Collaborative feed reading in a community.	GROUP	2009	DBLP DOI BibTeX RDF	feed aggregator, feed reader, rss reader, collaboration, social media, social software
27	Shyong K. Lam, John Riedl	Is Wikipedia growing a longer tail?	GROUP	2009	DBLP DOI BibTeX RDF	collaboration, evolution, Wikipedia, long tail
27	Natalia A. Romero, Gregor McEwan, Saul Greenberg	A field study of community bar: (mis)-matches between theory and practice.	GROUP	2007	DBLP DOI BibTeX RDF	locales, distributed groupware, casual interaction
27	Melissa Cefkin, Jakita Owensby Thomas, Jeanette Blomberg	The implications of enterprise-wide pipeline management tools for organizational relations and exchanges.	GROUP	2007	DBLP DOI BibTeX RDF	enterprise-wide technologies, organizational relations, sales operations, ethnography, business processes, work practices, information exchange
27	Casey Dugan, Michael J. Muller, David R. Millen, Werner Geyer, Beth Brownholtz, Marty Moore	The dogear game: a social bookmark recommender system.	GROUP	2007	DBLP DOI BibTeX RDF	games, tagging, social software, enterprise
27	David B. Martin 0001, John Rooksby, Mark Rouncefield	Users as contextual features of software product development and testing.	GROUP	2007	DBLP DOI BibTeX RDF	ethnography, extreme programming, software product
27	Travis Kriplean, Ivan Beschastnikh, David W. McDonald, Scott A. Golder	Community, consensus, coercion, control: cs*w or how policy mediates mass participation.	GROUP	2007	DBLP DOI BibTeX RDF	community, policy, wikipedia, power, collaborative authoring
27	Wolfgang Prinz, Baber Zaman	Proactive support for the organization of shared workspaces using activity patterns and content analysis.	GROUP	2005	DBLP DOI BibTeX RDF	content categorization for shared workspaces, noise detection for shared workspaces, office and workplace, semantic web for shared workspaces, similar documents search, awareness, shared workspaces, social computing and social navigation
27	Dennis L. Chao, Justin Balthrop, Stephanie Forrest	Adaptive radio: achieving consensus using negative preferences.	GROUP	2005	DBLP DOI BibTeX RDF	ubiquitous computing, audio, collaborative systems, shared spaces
27	Umer Farooq, John M. Carroll 0001, Craig H. Ganoe	Supporting creativity in distributed scientific communities.	GROUP	2005	DBLP DOI BibTeX RDF	creativity, design rationale, collaboratory, scientific collaboration
27	Stephen Chan, Benjamin Hill 0002, Sarita Yardi	Instant messaging bots: accountability and peripheral participation for textual user interfaces.	GROUP	2005	DBLP DOI BibTeX RDF	technomethodology, collaboration, learning, software agents, instant messaging, ethnomethodology, legitimate peripheral participation
27	David F. Redmiles, Hiroko Wilensky, Kristie Kosaka, Rogério de Paula	What ideal end users teach us about collaborative software.	GROUP	2005	DBLP DOI BibTeX RDF	CSCW, groupware, cooperative work, workplace collaboration
27	Aaron Striegel, Abdelmadjid Bouabdallah, Hatem Bettahar, G. Manimaran	EBM: A New Approach for Scalable DiffServ Multicasting.	Networked Group Communication	2003	DBLP DOI BibTeX RDF
27	Stefan Egger, Torsten Braun	Performance Evaluation of Multicast for Small Conferences.	Networked Group Communication	2003	DBLP DOI BibTeX RDF
27	Maziar M. Nekovee, Andrea Soppera, Trevor Burbridge	An Adaptive Method for Dynamic Audience Size Estimation in Multicast.	Networked Group Communication	2003	DBLP DOI BibTeX RDF
27	Cleidson R. B. de Souza, David F. Redmiles, Paul Dourish	"Breaking the code", moving between private and public work in collaborative software development.	GROUP	2003	DBLP DOI BibTeX RDF	private work, public work, qualitative studies, collaborative software development
27	Jacki O'Neill, David B. Martin 0001	Text chat in action.	GROUP	2003	DBLP DOI BibTeX RDF	conversation analysis (CA), computer supported cooperative work (CSCW), ethnomethodology, text-chat
27	Russell Kruger, Sheelagh Carpendale, Stacey D. Scott, Saul Greenberg	How people use orientation on tables: comprehension, coordination and communication.	GROUP	2003	DBLP DOI BibTeX RDF	orientation, rotation, tabletop display, observational study
27	Jorgen P. Bansler, Erling C. Havn	Technology-use mediation: making sense of electronic communication in an organizational context.	GROUP	2003	DBLP DOI BibTeX RDF	technology adaptation, computer-mediated communication, implementation, structuration, sensemaking, enactment
27	Goran Martinovic	Owner/user role in computational grid extension by non-dedicated resources.	GROUP	2003	DBLP DOI BibTeX RDF	non-dedicated machines, owner/user, CSCW, mapping, computational grid, meeting scheduling
27	Michal Jacovi, Vladimir Soroka, Sigalit Ur	Why do we ReachOut?: functions of a semi-persistent peer support tool.	GROUP	2003	DBLP DOI BibTeX RDF	informal communication, peer support, workplace collaboration
27	Per Persson	Exms: an animated and avatar-based messaging system for expressive peer communication.	GROUP	2003	DBLP DOI BibTeX RDF	multi-media authoring tools, animation, computer-mediated communication, avatars, expressiveness
27	Anne P. Massey, Yu-Ting Caisy Hung, Mitzi M. Montoya-Weiss, Venkataraman Ramesh	When culture and style aren't about clothes: perceptions of task-technology "fit" in global virtual teams.	GROUP	2001	DBLP DOI BibTeX RDF	communication, cultural difference, communication media, global virtual teams
27	Angi Voß, Keiichi Nakata, Marcus Juhnke	Concept indexing.	GROUP	1999	DBLP DOI BibTeX RDF	text marking, collaboration, knowledge management, documents, software agents, concepts
27	Christian Schuckmann, Jan Schümmer, Peter Seitz 0002	Modeling collaboration using shared objects.	GROUP	1999	DBLP DOI BibTeX RDF	groupware frameworks, object-oriented groupware design, shared objects, synchronous groupware
27	Rim Haw, Choong Seon Hong, Dae Sun Kim	Group P2P Network Organization in Mobile Ad-Hoc Network.	APNOMS	2009	DBLP DOI BibTeX RDF	Group P2P, Parent-child relationship, Group
27	Mahabir Prasad Jhanwar, Rana Barua	Sampling from Signed Quadratic Residues: RSA Group Is Pseudofree.	INDOCRYPT	2009	DBLP DOI BibTeX RDF	RSA Group, Free Group, Quadratic Residues
27	Hong Tang, Liehuang Zhu, Yuanda Cao, Dazhen Wang	A Novel Tree-based Authenticated Dynamic Group Key Agreement Protocol for Wireless Sensor Network.	ISECS	2008	DBLP DOI BibTeX RDF	ellipse curve, bilinear pairing, group key agreement, secure group communication
27	Naomi Yamashita, Keiji Hirata 0001, Shigemi Aoyagi, Hideaki Kuzuoka, Yasunori Harada	Impact of seating positions on group video communication.	CSCW	2008	DBLP DOI BibTeX RDF	group-to-group meeting, seating position, computer-supported cooperative work, empirical study, conversational analysis, video-mediated communication
27	Jihyuk Heo, Jin Ho Kim, Choong Seon Hong	A Logical Group Formation and Management Mechanism Using RSSI for Wireless Sensor Networks.	APNOMS	2008	DBLP DOI BibTeX RDF	logical group formation, Wireless sensor networks, WSN, RSSI, group management
27	Joseph Chee Ming Teo, Chik How Tan	Denial-of-service resilience password-based group key agreement for wireless networks.	Q2SWinet	2007	DBLP DOI BibTeX RDF	denial-of-service, group key agreement, secure group communication, password-based authentication
27	Joseph Chee Ming Teo, Chik How Tan	Energy-efficient and scalable group key agreement for large ad hoc networks.	PE-WASUN	2005	DBLP DOI BibTeX RDF	security, ad hoc networks, energy-efficiency, group communication, group key agreement
27	Don Paulsen	Leadership essentials: racilitation skills for improving group effectiveness.	SIGUCCS	2004	DBLP DOI BibTeX RDF	human resource development, group communication, leadership, facilitation, facilitator, group process
27	Jyrki Kontio, Laura Lehtola, Johanna Bragge	Using the Focus Group Method in Software Engineering: Obtaining Practitioner and User Experiences.	ISESE	2004	DBLP DOI BibTeX RDF	focus group method, qualitative research methods, usability, risk management, group support systems, empirical research, requirements prioritization
27	Jay F. Nunamaker Jr., J. Leon Zhao, Robert O. Briggs	Intelligent Workflow Techniques for Distributed Group Facilitation.	HICSS	2002	DBLP DOI BibTeX RDF	distributed group systems, distributed group facilitation, Intelligent agents, workflow management
27	Bumho Kim, Dongman Lee, Dukyun Nam	Scalable Group Membership Service for Mobile Internet.	WORDS	2002	DBLP DOI BibTeX RDF	scalability, fault tolerant computing, mobile internet, group membership, group communication system, fault-tolerant distributed applications
27	Sonia Mendoza, Manuel Romero Salcedo, Hanna Oktaba	Group Awareness Support in Collaborative Writing Systems.	CRIWG	2000	DBLP DOI BibTeX RDF	group awareness support, collaborative writing systems, co-authors, common documents, conversational awareness support, group awareness mechanisms, conversational awareness elements, Quilt, GROVE, PREP, SASSE, Calliope, linguistics, workspace, Alliance
27	Luis A. Guerrero, Rosa Alarcón, César A. Collazos 0001, José A. Pino, David A. Fuller 0001	Evaluating Cooperation in Group Work.	CRIWG	2000	DBLP DOI BibTeX RDF	cooperation evaluation, success criterion, group outcome quality, cooperation process quality, information capture, cooperation indicators, work process quality, collaboration process quality, result quality, cooperative process evaluation, groupware, cooperative work, group work
27	Lesley Pek Wee Land, D. Ross Jeffery, Chris Sauer	Validating the Defect Detection Performance Advantage of Group Designs for Software Reviews: Report of a Replicated Experiment.	Australian Software Engineering Conference	1997	DBLP DOI BibTeX RDF	Software Development Technical Review, interacting group, nominal group, defect detection, false positives
27	Colin Allison	Developing Distributed Group Communication in pSR.	PDP	1996	DBLP DOI BibTeX RDF	distributed group communication, pSR, persistent SR, concurrent programming language SR, Synchronising Resources, persistent resources, high level programming language, group semantic options, persistent distributed environment, parallel programming, semantics, resource allocation, groupware, parallel languages, IP multicast, shared objects, implementation strategies
27	Matthew Geoffrey Parker	Close Encounters with Boolean Functions of Three Different Kinds.	ICMCTA	2008	DBLP DOI BibTeX RDF	Aperiodic autocorrelation, complementary sequences, local Clifford group, Heisenberg-Weyl group, Pauli group, graph states, Boolean functions, quantum codes
27	Ronald Kainda, Ivan Flechais, A. W. Roscoe 0001	Two heads are better than one: security and usability of device associations in group scenarios.	SOUPS	2010	DBLP DOI BibTeX RDF	device association, usability, security protocols, group interactions
27	Tanzima Hashem, Lars Kulik, Rui Zhang 0003	Privacy preserving group nearest neighbor queries.	EDBT	2010	DBLP DOI BibTeX RDF	group nearest neighbor queries, private filter, privacy, location
27	Ming-Hay Luk, Man Lung Yiu, Eric Lo 0001	Group-by skyline query processing in relational engines.	CIKM	2009	DBLP DOI BibTeX RDF	group-by, skyline
27	Ning Zhang	Topological Structure and Interest Spectrum of the Group Interest Network.	Complex (1)	2009	DBLP DOI BibTeX RDF	para-bipartite graph, group interest spectrum, behavior characteristics, in-degree, Complex network
27	Julien Cathalo, Benoît Libert, Moti Yung	Group Encryption: Non-interactive Realization in the Standard Model.	ASIACRYPT	2009	DBLP DOI BibTeX RDF	Group encryption, anonymity, provable security
27	Bernard Ng, Rafeef Abugharbieh, Martin J. McKeown	Discovering Sparse Functional Brain Networks Using Group Replicator Dynamics (GRD).	IPMI	2009	DBLP DOI BibTeX RDF	functional connectivity, group analysis, fMRI, replicator dynamics
27	Sara Streng, Karsten Stegmann, Heinrich Hußmann, Frank Fischer 0001	Metaphor or diagram?: comparing different representations for group mirrors.	OZCHI	2009	DBLP DOI BibTeX RDF	group mirror, collaborative learning, metaphor, ambient display
27	Lei Tang 0001, Huan Liu 0001, Jianping Zhang, Nitin Agarwal, John J. Salerno	Topic taxonomy adaptation for group profiling.	ACM Trans. Knowl. Discov. Data	2008	DBLP DOI BibTeX RDF	Topic taxonomy, group interest, taxonomy adjustment, text hierarchical classification, dynamic profiling
27	Ravi Madipadaga, Sabishaw Bhaskaran, Saikat Mukherjee	EPH: An Efficient and Robust Group Membership Topology for Distributed Systems.	NCA	2008	DBLP DOI BibTeX RDF	Distributed Computing, Topology, Group Membership
27	Weijian Ni, Jun Xu 0001, Hang Li 0001, Yalou Huang	Group-based learning: a boosting approach.	CIKM	2008	DBLP DOI BibTeX RDF	group-based learning, boosting
27	Mikhail J. Atallah, Keith B. Frikken, Marina Blanton, YounSun Cho	Private combinatorial group testing.	AsiaCCS	2008	DBLP DOI BibTeX RDF	privacy, secure protocol, group testing, integrity verification
27	Yvo Desmedt, Tanja Lange 0001	Revisiting Pairing Based Group Key Exchange.	Financial Cryptography	2008	DBLP DOI BibTeX RDF	Authentication, Key Distribution, Pairings, Forward Security, Group Key Exchange
27	George Rigopoulos, Nikolaos V. Karadimas, Alessandra Orsoni	Modeling Group Decision-Making for Collaborative Teams in Enterprises.	Asia International Conference on Modelling and Simulation	2008	DBLP DOI BibTeX RDF	Service Oriented Architecture, Web Technology, Multicriteria Analysis, Group Decision
27	M. Amir Moulavi, Jalal A. Nasiri, Behnam Bahmani, Hossein Parvar, M. Sadeghizadeh, Mahmoud Naghibzadeh	DHA-KD: Dynamic Hierarchical Agent Based Key Distribution in Group Communication.	SNPD	2008	DBLP DOI BibTeX RDF	Agent, Group Communication, Bandwidth, Key Distribution, Hierarchical
27	Nahar Sultana, Eui-nam Huh	An efficient scheme for secure group communication in mobile wireless sensor networks.	ICUIMC	2008	DBLP DOI BibTeX RDF	ID-based infrastructure, group merge, routing
27	Seokhyang Cho, Kiwon Song, Dongsub Cho, Dongho Won	Secure Mobile Content Delivery Using Dynamic Group Key Agreement with Batch Verification.	ICCSA (2)	2007	DBLP DOI BibTeX RDF	BDH assumption, bilinear map, Group key agreement, batch verification
27	Yingxin Pan, Chen Zhao	Group Efficacy in Asynchronous vs. Multi-synchronous Virtual Teams: An Empirical Study.	INTERACT (1)	2007	DBLP DOI BibTeX RDF	Group Efficacy, Asynchronous & Multi-synchronous communication, CSCW, groupware, virtual team