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A smart web service based on the context of things

He, Jing, Zhang, Yanchun, Huang, Guangyan and Cao, Jinli 2012, A smart web service based on the context of things, ACM transactions on internet technology, vol. 11, no. 3, pp. 1-23, doi: 10.1145/2078316.2078321.

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Title A smart web service based on the context of things
Author(s) He, Jing
Zhang, Yanchun
Huang, GuangyanORCID iD for Huang, Guangyan orcid.org/0000-0002-1821-8644
Cao, Jinli
Journal name ACM transactions on internet technology
Volume number 11
Issue number 3
Start page 1
End page 23
Total pages 23
Publisher ACM Special Interest Group
Place of publication New York, N.Y.
Publication date 2012-01
ISSN 1533-5399
1557-6051
Summary Combining the Semantic Web and the Ubiquitous Web, Web 3.0 is for things. The Semantic Web enables human knowledge to be machine-readable and the Ubiquitous Web allows Web services to serve any thing, forming a bridge between the virtual world and the real world. By using context, Web services can become smarter-that is, aware of the target things' or applications' physical environments, or situations and respond proactively and intelligently. Existing methods for implementing context-aware Web services on Web 2.0 mainly enumerate different implementations corresponding to different attribute values of the context, in order to improve the Quality of Services (QoS). However, things in the physical world are extremely diverse, which poses new problems for Web services: it is difficult to unify the context of things and to implement a flexible smart Web service for things. This article proposes a novel smart Web service based on the context of things, which is implemented using a REpresentational State Transfer for Things (Thing-REST) style, to tackle the two problems. In a smart Web service, the user's description (semantic context) and sensor reports (sensing context) are two channels for acquiring the context of things which are then employed by ontology services to make the context of things machine-readable. With guidance of domain knowledge services, event detection services can analyze things' needs particularly, well through the context of things. We then propose a Thing-REST style to manage the context of things and user context, and to mashup Web services through three structures (i.e., chain, select, and merge) to implement smart Web services. A smart plant watering-service application demonstrates the effectiveness of our method. © 2012 ACM.
Language eng
DOI 10.1145/2078316.2078321
Field of Research 0805 Distributed Computing
0806 Information Systems
0801 Artificial Intelligence And Image Processing
080505 Web Technologies (excl Web Search)
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, ACM Special Interest Group
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083656

Document type: Journal Article
Collection: School of Information Technology
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