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2013 IEEE 14th International Conference on Mobile Data Management (2013)
Milan, Italy Italy
June 3, 2013 to June 6, 2013
ISBN: 978-1-4673-6068-5
pp: 314-322
As we are moving towards the Internet of Things (IoT), the number of sensors deployed around the world is growing at a rapid pace. Market research has shown a significant growth of sensor deployments over the past decade and has predicted a substantial acceleration of the growth rate in the future. It is also evident that the increasing number of IoT middleware solutions are developed in both research and commercial environments. However, sensor search and selection remain a critical requirement and a challenge. In this paper, we present CASSARAM, a context-aware sensor search, selection, and ranking model for Internet of Things to address the research challenges of selecting sensors when large numbers of sensors with overlapping and sometimes redundant functionality are available. CASSARAM proposes the search and selection of sensors based on user priorities. CASSARAM considers a broad range of characteristics of sensors for search such as reliability, accuracy, battery life just to name a few. Our approach utilises both semantic querying and quantitative reasoning techniques. User priority based weighted Euclidean distance comparison in multidimensional space technique is used to index and rank sensors. Our objectives are to highlight the importance of sensor search in IoT paradigm, identify important characteristics of both sensors and data acquisition processes which help to select sensors, understand how semantic and statistical reasoning can be combined together to address this problem in an efficient manner. We developed a tool called CASSARA to evaluate the proposed model in terms of resource consumption and response time.
Context, Web services, Data models, Semantics, Reliability, multidimensional data fusion, Internet of Things, context awareness, IoT middleware, sensors, sensor discovery, search and selection, sensor indexing and ranking, semantic and probabilistic reasoning, querying
Charith Perera, Arkady Zaslavsky, Peter Christen, Michael Compton, Dimitrios Georgakopoulos, "Context-Aware Sensor Search, Selection and Ranking Model for Internet of Things Middleware", 2013 IEEE 14th International Conference on Mobile Data Management, vol. 01, no. , pp. 314-322, 2013, doi:10.1109/MDM.2013.46
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