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With the continuing increase in the heterogeneity and quantity of data source, such as data from sensors, social networks, business, usage of background knowledge and context information is a growing challenge in complex event processing. To remedy this problem, this paper proposes a framework for context-aware semantic complex event processing, in which domain ontology is used to annotate heterogeneous...
The success of the Hadoop MapReduce programming model has greatly propelled research in big data analytics. In recent years, there is a growing interest in the High Performance Computing (HPC) community to use Hadoop-based tools for processing scientific data. This interest is due to the facts that data movement becomes prohibitively expensive, highperformance data analytic becomes an important part...
To form Linked Sensor Data, we can generate linkages among the sensor network data described by semantic information and relevant resources in a Linked Open Data cloud, which can make efficient use of sensor network data. Based on the analysis of existing interlinking methods of Linked Data and Linked Sensor Data publishing systems, according to the property characteristics of sensor network data...
To form Linked Sensor Data, we can generate linkages among the sensor network data described by semantic information and relevant resources in a Linked Open Data cloud, which can make efficient use of sensor network data. Based on the analysis of existing interlinking methods of Linked Data and Linked Sensor Data publishing systems, according to the property characteristics of sensor network data...
It can be foreseen that the volume of ontology's Abox in Semantic Web of Things is always too large to understand or reason about ontology by machines and users. To solve this problem, a SWoT ontology summarization method based on equivalence relation is proposed, and a system based on this method is designed and implemented. Some experimental result analyses show that this method not only can reserve...
The rapid increase in resource sharing across domains in the cloud computing environment makes the task of managing inter-domain access control policy integration difficult for the security administrators. Although a number of policy integration and security analysis mechanisms have been developed, few focus on enabling the average administrator by providing an intuitive cognitive sense about the...
Resources should be virtualized before they are deployed to cloud manufacturing systems. In this paper, a method is proposed for resource virtualization by transforming manufacturing resources into cloud services through two phases. Manufacturing resource features are comprehensively analyzed. A virtual specification is established for describing heterogeneous manufacturing resources in an isomorphic...
Query suggestion algorithms, which aim to suggest a set of similar but independent queries to users, have been widely studied to simplify user searches. However, in many cases, the users will accomplish their search tasks through a sequence of search behaviors instead of by one single query, which may make the classical query suggestion algorithms fail to satisfy end users in terms of task completion...
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