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Algorithms and applications for approximate nonnegative matrix factorization
The development and use of low-rank approximate nonnegative matrix factorization (NMF) algorithms for feature extraction and identification in the fields of text mining and spectral data analysis areExpand
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Understanding search engines - mathematical modeling and text retrieval
A discussion of many of the key design issues for building search engines. It emphasizes the important roles that applied mathematics can play in improving information retrieval. The authors discussExpand
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Email Surveillance Using Non-negative Matrix Factorization
In this study, we apply a non-negative matrix factorization approach for the extraction and detection of concepts or topics from electronic mail messages. For the publicly released Enron electronicExpand
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Out-of-core SVD performance for document indexing
The following study documents a formal evaluation of the performance tradeoffs and scalability for computing the sparse matrix singular value decomposition (SVD) as part of the Latent SemanticExpand
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Modeling the Effects of Land Use on the Quality of Water, Air, Noise, and Habitat for a Five-County Region in Georgia
A computer simulation model, the Regional Simulator (RSim), was constructed to project how landuse changes affect the quality of water, air, noise, and habitat of species of special concern. RSim wasExpand
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Document classification techniques for automated technology readiness level analysis
The overhead of assessing technology readiness for deployment and investment purposes can be costly to both large and small businesses. Recent advances in the automatic interpretation of technologyExpand
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Predictive prosthetic socket design: part 2—generating person-specific candidate designs using multi-objective genetic algorithms
In post-amputation rehabilitation, a common goal is to return to ambulation using a prosthetic limb, suspended by a customised socket. Prosthetic socket design aims to optimise load transfer betweenExpand
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