Non-negative matrix factorization from the data in the...

Details Non-negative matrix factorization from the data in the... Non-negative matrix factorization from the data in the...

2004-08-27

2010-06-08

Channavajjala, Srirama (Department: 2166)

Data processing: database and file management or data structures

Database design

Data structure types

C707S600000, C707S810000

Reexamination Certificate

active

07734652

ABSTRACT:
An implementation of NMF functionality integrated into a relational database management system provides the capability to apply NMF to relational datasets and to sparse datasets. A database management system comprises a multi-dimensional data table operable to store data and a processing unit operable to perform non-negative matrix factorization on data stored in the multi-dimensional data table and to generate a plurality of data tables, each data table being smaller than the multi-dimensional data table and having reduced dimensionality relative to the multi-dimensional data table. The multi-dimensional data table may be a relational data table.

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