Exam 5: Text and Web Mining

Unstructured data has a predetermined format. It is usually organized into records as categorical, ordinal, and continuous variables and stored in databases.

A vast majority of business data is captured and stored in text documents that are structured.

Two advantages associated with the implementation of NLP are word sense disambiguation and syntactic ambiguity.

________ mining is the process of extracting useful information from the links embedded in Web documents.

Web analytics, CEM, and VOC applications form the foundation of the Web site ________ ecosystem that supports the online business' ability to positively influence desired outcomes.

List two options for managing or reducing the dimensionality (size) of the term-document matrix (TDM).

NLP has successfully been applied to a variety of tasks via computer programs to automatically process natural human language that previously could only be done by humans. List three of the most popular of these tasks.

________ analysis is a technique used to detect favorable and unfavorable opinions toward specific products and services using textual data sources, such as customer feedback in Web postings and the detection of unfavorable rumors.

Define the three main areas of Web mining and each area's source of information.

Text mining is the semi-automated process of extracting ________ from large amounts of unstructured data sources.