Authors:
Li Li
1
;
Wen Chen
2
;
Zhe Wang
3
and
Wu Chou
1
Affiliations:
1
Huawei Technologies, United States
;
2
Global Infotech Corporation, United States
;
3
Rutgers University, United States
Keyword(s):
Temporal Linkage, Synchronization Tree, RDF, Media Fragments URI, WebRTC, REST API.
Related
Ontology
Subjects/Areas/Topics:
Multimedia and User Interfaces
;
Ontology and the Semantic Web
;
Restful Web Services
;
Web Information Systems and Technologies
;
Web Interfaces and Applications
Abstract:
This paper describes a Web based real-time collaboration system, Hypermodal, based on the concept of temporal linkage between resources. The system allows the users to construct, manipulate and exchange temporal linkages organized as synchronization trees. The temporal linkage is defined by RDF predicate based on a novel use of Media Fragments URI and permits on-the-fly tree updates while the resources in the tree are playing. We propose RDF predicate and a new protocol to correlate and initialize distributed synchronization trees without requiring clock synchronization. Moreover, we develop a new REST API optimized for efficient tree updates and navigations based on super nodes. The preliminary test results on a prototype system show the approach is feasible and promising.