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- W2184454223 abstract "Abstract : Analysis and processing of very large data sets, or big data, poses a significant challenge. Massive data sets are collected and studied in numerous domains, from engineering sciences to social networks, biomolecular research, commerce, and security. Extracting valuable information from big data requires innovative approaches that efficiently process large amounts of data and utilize their structure. This research project developed a paradigm for large-scale data analysis based on the discrete signal processing (DSP) on graphs (DSPG). DSPG extends signal processing concepts and methodologies from the classical signal processing theory to data indexed by general graphs. We introduced fundamental concepts of DSPG, including graph signals and graph filters, graph Fourier transform, graph frequency, and spectrum ordering that extended their counterparts from classical signal processing theory. Big data analysis presents several challenges to DSPG, in particular, in filtering and frequency analysis of very large data sets. We showed how to analyze these large data sets by considering product graphs as a graph model that helps extend the application of DSPG methods to large data sets through efficient implementations based on parallelization and vectorization. We illustrated the applicability of DSPG with numerous studies that are relevant in applications." @default.
- W2184454223 created "2016-06-24" @default.
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- W2184454223 date "2015-07-09" @default.
- W2184454223 modified "2023-09-24" @default.
- W2184454223 title "An Algebraic Approach to Inference in Complex Networked Structures" @default.
- W2184454223 hasPublicationYear "2015" @default.
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