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The graph structure is a very important means to model schemaless data with complicated structures, such as protein-protein interaction networks, chemical compounds, knowledge query inferring systems, and road networks. This paper focuses on the index structure for similarity search on a set of large sparse graphs and proposes an efficient indexing mechanism by introducing the Q-Gram idea. By decomposing...
The old buildings are a kind of material witness and carrier of urban culture continuity, which embody the preservation value of cultural heritage. Facing the fact of architectural culture disappearing in the urbanization process, it is a serious problem to solve: how to properly deal with the contradiction between the protection and reuse of old buildings and the urbanization, and how to inherit,...
In this paper, we propose FCWQE, which is effective supporting continuous window query in wireless sensor networks. And it includes FCDC (Four-color with Delay Computation) approach to color the sensors, partition the logic aggregation groups and build the query-path. In order to save the energy and prolong the networks lifetime, this paper brings forward strategy to choose group leader nodes; at...
In the workflow domain, many researches have been focused on such aspects as workflow system architecture, workflow task scheduling, transactional workflow, etc. Few have been concentrated on the workflow application model, design and implementation. In this paper, we firstly discuss the problems related to the individual workflow application in current workflow management systems, then show a component-based...
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