By Quan Z. Sheng, Jian Yu, Schahram Dustdar
With fresh advances in radio-frequency id (RFID) expertise, sensor networks, and better internet companies, the unique world-wide-web is continuous its evolution into what's being referred to as the net of items and prone. this type of net will aid an finally interactive setting the place daily actual gadgets corresponding to constructions, sidewalks, and commodities develop into recognizable, addressable, or even controllable through a quite often ubiquitous internet. This integration of the actual and digital worlds will essentially effect the way in which we are living and in doing so manage to pay for great new company possibilities with nice human gain, akin to aid prone to maintain the aged autonomous, and clever site visitors administration that would reduce wasted hours from on a daily basis. extra effective offer chains, more advantageous environmental tracking, higher entry to well-being prone … the record is never-ending. permitting Context-Aware net companies: tools, Architectures, and applied sciences compiles the most recent advancements and advances using this new age ahead. With contributions from prime researchers the world over this pioneering paintings bridges the distance among context-awareness and net providers. A finished presentation of what’s already complete and what's attainable, the chapters of this e-book are systematically prepared into 3 significant sections: equipment specializes in the primary of context understanding in net providers and numerous how you can version these companies on the specification point. Architectures info the infrastructures, frameworks, and criteria had to construct context-aware net companies. applied sciences offers a cornucopia of strategies tailored from as soon as remoted study components together with semantic net, database, and synthetic intelligence improvement, in addition to formal tools being hired to enhance the improvement of context-aware internet prone. Researchers, engineers, marketers, and educators throughout any variety of fields will locate new principles worthy contemplating, jumping-off issues for constructing more suitable software program and purposes, and seeds for company ventures that successfully convey wanted items, info, or companies. the probabilities are as unlimited as we dare to visualize.
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Additional resources for Enabling context-aware web services: methods, architectures, and technologies
These components are tasks (called subtasks), each solved by other methods that can be composed of other sub-tasks, and so forth. 13a shows the representation - as an eclipse - of the task Task_Book Restaurant, which defines the functional features of the service BookRestaurant. 13b depicts an example of the internal descrip tion of a method (rounded corner square): the task Task_ BookRestaurant is solved by the method Method_ BookRestaurant, which is composed of four subtasks Task_Find Restaurant, Task_CheckWorkingHours, Task_SelectTable, and Task_ BookTable.
Note that the value of a context-aware object could be derived from multiple contexts. For the sake of simplicity, we restrict our mapping cardinality as one to one. In fact, thanks to the introduc tion of the concept of composite context, we can always model an appropriate composite context for a context-aware object whose value needs to be derived from multiple contexts. Context Triggering The type Context Triggering models the situation of contextual adaptation where services can be automatically executed or modified based on context information.
Journal of Systems and Software, 82(8):1285-1297, 2009.  Markus Keidl and Alfons Kemper. Towards Context-Aware Adaptable Web Services. In Proc. of the 13th Intl. World Wide Web Conf. (WWW'04), New York, USA, May 2004.  Kewen Liao. Optimal context provisioning in web service environments. Honors Thesis, School of Computer Science, The University of Ade laide, 2009.  Wenjia Niu, Zhongzhi Shi, Changlin Wan, Liang Chang, and Hui Peng. A DDL-Based Model for Web Service Composition in Context-Aware Environment.