Decision Support and Business Intelligence systems Essay

Decision Support and Business Intelligence systems - Essay Example ta hub, storing not only current data, but also historical data to be used for developing trending reports so that the management can use the reports for comparisons, even if it the comparisons are annual, quarterly or even semi-annual. Subject oriented implies that data warehouse is utilized when examining specific subject field. For instance, in business, production can be the specific filed of examination. Integrated implies that a data warehouse incorporates data from a number of data source, for instance, from sales department and production department identify product A differently, however, the data warehouse will incorporate the two to identify the product in a single way. Time invariant implies that data, whether kept for 2 months, 7 months or even after a year is retrievable. Non updatable implies that once the data is entered into the database, it will not be mutilated and would not be changed, and, as a result, the historical data shall never be altered. Text mining refers to the unearthing and extraction of interesting, non trivial knowledge free from free and unstructured text (Kao & Poteet, 2007). The process encompasses information retrieval, and that is, document and website retrieval and even to classification and clustering of text. Natural language Processing, on the other hand, implies the endeavor to extract a complete meaning representation from such free text (Kao & Poteet, 2007). Natural Language processing has been developed to conform to a number of techniques that are naturally syntactically parsed utilizing information from proper grammar and lexicon, thereafter the ensuing information is then deduced semantically and thereafter applied to produce data. NLP can be profound, spanning every corner of the sentence, or even thin , straddling just few passages or phrases within sentences, and even utilize statistical ways to remove vagueness in word senses of the same sentence. The unassuming challenge posed to the development of NLP