A framework for automated construction of resource space based on background knowledge
|A framework for automated construction of resource space based on background knowledge|
|Author(s)||Yu X., Peng L., Huang Z., Zhuge H.|
|Published in||Future Generation Computer Systems|
|Keyword(s)||Latent Dirichlet allocation, Resource space model, Semantic graph, Wikipedia (Extra: Automated construction, Back-ground knowledge, Construction process, Cyber physical systems (CPSs), Latent Dirichlet allocation, Resource space model, Semantic graphs, Wikipedia, Embedded systems, Graphic methods, Ontology, Statistics, Semantics)|
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A framework for automated construction of resource space based on background knowledge is a 2014 journal article written in English by Yu X., Peng L., Huang Z., Zhuge H. and published in Future Generation Computer Systems.
Resource Space Model is a kind of data model which can effectively and flexibly manage the digital resources in cyber-physical system from multidimensional and hierarchical perspectives. This paper focuses on constructing resource space automatically. We propose a framework that organizes a set of digital resources according to different semantic dimensions combining human background knowledge in WordNet and Wikipedia. The construction process includes four steps: extracting candidate keywords, building semantic graphs, detecting semantic communities and generating resource space. An unsupervised statistical language topic model (i.e., Latent Dirichlet Allocation) is applied to extract candidate keywords of the facets. To better interpret meanings of the facets found by LDA, we map the keywords to Wikipedia concepts, calculate word relatedness using WordNet's noun synsets and construct corresponding semantic graphs. Moreover, semantic communities are identified by GN algorithm. After extracting candidate axes based on Wikipedia concept hierarchy, the final axes of resource space are sorted and picked out through three different ranking strategies. The experimental results demonstrate that the proposed framework can organize resources automatically and effectively.©2013 Published by Elsevier Ltd. All rights reserved.
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