Questions for the opening vignette (Mining text for Security and Counterterrorism) 1. How can text mining be used in a crisis situation? Text mining makes it easy for the end user to take the knowledge discovered by the analytics tools and embed it in a concise and useful form in an intelligence product. MITRE would allow the user to select various text mining tools and, with a few mouse clicks, assemble them to create a complex filter that fulfills whatever knowledge discovery function is currently needed. An analyst might use text mining to discover important nuggest of information in a large collection of news sources. 2. What is Genoa project? What is the motivation behind projects like Genoa?The Genoa project, …show more content…
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|Singular Value |Closely related to principal components analysis, it reduces the overall dimensionality of the input |
|Decomposition (SVD): |matrix (number of input documents by number of extracted terms) to a lower dimensional space, where each |
| |consecutive dimension represents the largest degree of variability (between words and documents). |
|Speech Synthesis: |The technology by which computers convert text to voice (i.e. speak). |
|Stemming: |A process of reducing words to their respective root forms in order to better represent them in a |
| |text-mining project. |
|Stop Words: |Words that are filtered out prior to or after processing of natural language data (i.e., text) |
|Term-Document Matrix |A frequency matrix created from digitized and organized documents (the corpus) where the columns …show more content…
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Chapter 6
Questions for the Opening Vignette (BI Eastern Monutain Sports) 1. What was the original BI system used for? The BI system included business performance management and dashboards. It collects raw data from multiple sources, processes them into data, and conducts analyses that include comparing performance to operational metrics in order to assess the health of the business. 2. Why was it beneficial to integrate it with social software? The BI system was not performing too well mainly due to insufficient data access, communication, and collaboration among all participants. 3. Differentiate between internal and external integrations in this case and their contributions to EMS. 4. What are the benefits of the integration to suppliers?
Chapter 6 Section Review Questions
Section 6.1 1. What are the major types of BI implementation influencing factors? a. Reporting and analysis tools i. Features and