• Organization helps short-term memory
• Organization is even more helpful for long-term memory

Semantic Networks

made of a concepts and relationships

Taxonomy

• is the barebone of knowledge organization

Level of granularity

• can help with organization

Meronymy

Type:

• Component-Object, ex. Head-Body
• Material-Object, ex. Wood-Table
• Member-Collection, ex. Tree-Forest
• Place-Area, ex. Ottawa-Ontario
• Phase-Process, ex. youth-life

Attributes

• attribute-value pairs
• attributes are used to describe objects

System Image

• reflection of the designer's model in the system itself.

• The system image includes:

  • User interface
    • information display
    • control possibilities
  • the resources
    • data
    • documentation

The system image incorporates a knowlege organization and a set of anticipated interactive processess.

Different Personas = different models

The system image must:

• reflect your business
• match the level(s) of knowledge of your users
  • expert/novice
  • various Personas
• match the knowledge of organization of your users
• help users in their interactive process

Knowledge Organization Image

Car Sale model

• attributes for Sale
• Meronymy (one part is of interest)

Car Rental model

• types of car are of interest

User Interactive Processes

Interactive processes:

1. Follow instructions
   • follow a recipe
   • linear process
2. Absorb information
   • watch a video
   • read the newspaper
   • listen to music
   • passive process
3. Perform a monitored activity
   • requires monitoring
     • time oriented
     • goal oriented
4. Explore in the divergent/convergent model
   • Divergence (question)
     • exploring options
     • search for information
   • Convergence (answer)
     • get directions
     • find a restaurant
     • obtain a quote
5. Analyze results
   • filter information
   • visualize results
6. Design
   • coding
   • drawing a picture
   • writing a report
   • composing music
7. Communicate
   • express an opinion
   • obtain feedback
   • chat(dialog)
8. Plan/organize
   • planning a meeting
   • planning a set of tasks