InfoVis Chapter 5 - Text Visualization Techniques

Visual Elements

• Text
• Typographic elements
• Other graphical elements

Problem

• Long words occupy more space which leads to a misconceived impression of weight or importance
• Other graphical elements can hide the relevant information

Unstructured Text → Structured Data

• Lexical Processing

• Syntactic Processing

• Semantic Processing

• Connections among entities within and across documents

  • text mining, information extraction

• Concordances and word frequencies

  • literature analysis or linguistics
  • search for language patterns and structure

• Relationship between words

  • literary analysis or citation analysis

Corpus

Visualization Techniques

Word Cloud Tag Cloud

AABB or OBB hierarchical AABBs, Sprites or Masks

Intersection Test

Phrase Net Word Tree

Natural Language Processing

Stream Graph