Data Mining Versus Text Mining Both seek for novel and useful patterns Both are semi-automated processes Difference is the nature of the data Structured versus unstructured data Structured data: in databases Unstructured data: word documents Pdf files text excerpts, XML files, and so on To perform text mining--first, impose structure to the data. then mine the structured data Pearson Copyright C 2018, 2014, 2011 Pearson Education, Inc. All Rights ReservedCopyright © 2018, 2014, 2011 Pearson Education, Inc. All Rights Reserved Data Mining Versus Text Mining • Both seek for novel and useful patterns • Both are semi-automated processes • Difference is the nature of the data: – Structured versus unstructured data – Structured data: in databases – Unstructured data: Word documents, PDF files, text excerpts, XML files, and so on • To perform text mining – first, impose structure to the data, then mine the structured data