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Carlos D. Correa

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Carlos D. Correa

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Publications by Carlos D. Correa (bibliography)

» 2007 «

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Chen, Min, Correa, Carlos D., Islam, Shoukat, Jones, Mark W., Shen, P.-Y., Silver, Deborah, Walton, S. J. and Willis, P. J. (2007): Manipulating, Deforming and Animating Sampled Object Representations. In Comput. Graph. Forum, 26 (4) pp. 824-852

» 2005 «

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Correa, Carlos D. and Marsic, Ivan (2005): An optimization approach to group coupling in heterogeneous collaborative systems. In: GROUP05: International Conference on Supporting Group Work November 6-9, 2005, Sanibel Island, Florida, USA. pp. 274-283. Available online

“Recent proliferation of computing devices has brought attention to heterogeneous collaborative systems, where key challenges arise from the resource limitations and disparities. Sharing data across disparate devices makes it necessary to employ mechanisms for adapting the original data and presenting it to the user in the best possible way. However, this could represent a major problem for effective collaboration, since users may find it difficult to reach consensus with everyone working with individually tailored data. This paper presents a novel approach to controlling the coupling of heterogeneous collaborative systems by combining concepts from complex systems and data adaptation techniques. The key idea is that data must be adapted to each individual\'s preferences and resource capabilities. To support and promote collaboration this adaptation must be interdependent, and adaptation performed by one individual should influence the adaptation of the others. These influences are defined according to the user\'s roles and collaboration requirements. We model the problem as a distributed optimization problem, so that the most useful data--both for the individual and the group as a whole--is scheduled for each user, while satisfying their preferences, their resource limitations, and their mutual influences. We show how this approach can be applied in a collaborative 3D design application and how it can be extended to other applications.”

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Correa, Carlos D. and Silver, Deborah (2005): Dataset Traversal with Motion-Controlled Transfer Functions. In: 16th IEEE Visualization Conference VIS 2005 23-28 October, 2005, Minneapolis, MN, USA. p. 46. Available online

» 2004 «

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Correa, Carlos D. and Marsic, Ivan (2004): Software Framework for Managing Heterogeneity in Mobile Collaborative Systems. In Computer Supported Cooperative Work, 13 (5) pp. 603-638

“Heterogeneity in mobile computing devices and application scenarios complicates the development of collaborative software systems. Heterogeneity includes disparate computing and communication capabilities, differences in users needs and interests, and semantic conflicts across different domains and representations. In this paper, we describe a software framework that supports mobile collaboration by managing several aspects of heterogeneity. Adopting graph as a common data structure for the application state representation enables us to develop a generic solution for handling the heterogeneities. The effect external forces, such as resource constraints and diverging user interests, can be quantified and controlled as relational and attribute heterogeneity of state graphs. When mapping the distributed replicas of the application state, the external forces inflict a loss of graph information, resulting in many-to-one correspondences of graph elements. A key requirement for meaningful collaboration is maintaining a consistent shared state across the collaborating sites. Our framework makes the best of maximizing the state consistency, while accommodating the external force constraints, primarily the efficient use of scarce system resources. Furthermore, we describe the mobility aspects of our framework, mainly its extension to peer-to-peer scenarios and situations of intermittent connectivity. We describe an implementation of our framework applied to the interoperation of shared graphics editors across multiple platforms, where users are able to share 2D and 3D virtual environments represented as XML documents. We also present performance results, namely resource efficiency and latency, which demonstrate its feasibility for mobile scenarios.”

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Morde, Ashutosh, Hou, Jun, Ganapathy, S. Kicha, Correa, Carlos D., Krebs, Allan Meng and Rabiner, Lawrence (2004): Collaboration in parallel worlds. In: Sharma, Rajeev, Darrell, Trevor, Harper, Mary P., Lazzari, Gianni and Turk, Matthew (eds.) Proceedings of the 6th International Conference on Multimodal Interfaces - ICMI 2004 October 13-15, 2004, State College, PA, USA. pp. 333-334. Available online

» 2003 «

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Correa, Carlos D. and Marsic, Ivan (2003): Software framework for managing heterogeneity in mobile collaborative systems. In: Tremaine, Marilyn and Simone, Carla (eds.) Proceedings of the International ACM SIGGROUP Conference on Supporting Group Work 2003 November 9-12, 2003, Sanibel Island, Florida, USA. pp. 125-134. Available online

“Heterogeneity aspects in mobile collaborative systems, such as differences in user's interest, semantic conflicts across different domains and representations, and disparate device capabilities, cause difficulties in developing software applications. One of the key problems for collaborative applications is maintaining a consistent shared state. In this paper, we describe a framework that manages several aspects of heterogeneity to maintain consistency across the collaborating sites. We assume graph data structure for application state representation. Our framework is based on structural and semantic mappings between graph structures. The mapping can be customized to meet different requirements through user-defined policies and rules. An important constraint is efficient use of scarce system resources. We describe several applications built using the framework to collaboratively share XML documents. The XML documents in our case are 2D/3D representations of virtual worlds. We also show the performance results of our framework which demonstrate its feasibility for mobile scenarios.”

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Changes to this page (author)

23 Feb 2010: Enabled abstracts to be shown on Carlos D. Correa's author page.
21 Jul 2009: Author was edited

13 Jun 2009: Author was edited
30 May 2009: Author was edited
24 Jun 2007: Author was edited
11 Jun 2007: Author was edited
28 Apr 2003: Added the author to the bibliography

Publication statistics

Publication period:2003-2007
Publication count:6
Number of co-authors:13

Productive colleagues

Carlos D. Correa's 3 most productive colleagues in number of publications:

Ivan Marsic:22
Min Chen:20
Deborah Silver:18

Collaboration count

Number of publications with 3 favourite co-authors:

Ivan Marsic:3
Deborah Silver:2
Mark W. Jones:1

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Conference Calendar

Mar 22

Workshop on Pervasive healthcare in the home : Supporting patient motivation and engagement

Mar 22

UX People

Mar 22

ETRA '10 - Eye Tracking Research & Applications Symp.

Mar 21

“ Software design is the act of determining the user's experience with a piece of software. It has nothing to do with how the code works inside, or how big or small the code is. The designer's task is to specify completely and unambiguously the user's whole experience. ”

-- David Liddle, From Bringing Design to Software, edited by Terry Winograd, 1996 ”

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