Lecture 1

Question 1

What is information visualization?

Answer 1

A mapping between discrete data and a visual representation.

Question 2

Information design

Answer 2

starts with data that already has a clear structure and its goal is to express it visually

Question 3

Visual analytics

Answer 3

is the science of analytical reasoning facilitated by interactive visual interfaces

Question 4

7 basic data types and the new ones

Answer 4

1,2,3, multi dimensional, temporal, tree, network, multimedia

Question 5

Information visualization pipeline

Answer 5

Question 6

What are four levels of NBGM?

Answer 6

Domain, abstraction, technique, algorithm

Question 7

What is domain level (NBGM)?

Answer 7

Blocks at the domain level describe a specific situation, which encompasses a group of target users, their field of interest, their questions, and their measurements or data.

Question 8

What is Abstraction level?

• What kind of blocks does it include?
• Are these blocks designed or identified?

Answer 8

consists of task blocks and data blocks. Examples are the tasks of finding outliers and trends; the dataset types of tables, networks, and text; and the data attribute types of categorical, ordered, and quantitative. Task blocks are identified by the designer as being suitable for a particular domain situation block, just as the situation blocks themselves are identified at the level above. Data blocks, however, are designed.

Question 9

What is technique level?

Answer 9

What to draw on screen

Question 10

What is algorithm level?

Answer 10

How to draw on screen

Question 11

In what ways does info viz amplifies cognition?

Answer 11

• increased resources
• reduced search
• enhanced recognition of patterns
• preceptual inference