Database Reference
In-Depth Information
deal with. Note that this is not meant as an exhaustive list; rather, it highlights the
challenge of text analysis.
Table 9.2
Example Data Sources and Formats for Text Analysis
Data Source
Data Format
Data Structure Type
News articles
TXT, HTML, or Scanned
PDF
Unstructured
Literature
TXT, DOC, HTML, or
PDF
Unstructured
E-mail
TXT, MSG, or EML
Unstructured
Web pages
HTML
Semi-structured
Server logs
LOG or TXT
Semi-structured or
Quasi-structured
Social network API
firehoses
XML, JSON, or RSS
Semi-structured
Call center transcripts
TXT
Unstructured
