 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| |
Todays
IR systems are not comparable to paper-
|
|
|
|
based
systems.
|
|
|
|
|
bibliographic,
full-text, and multimedia IR systems are not
|
|
|
comparable
|
|
|
| |
Complex
systems are greater than the sum of their
|
|
|
respective
components.
|
|
|
|
|
systems
that include human components are inherently complex
|
|
|
| |
Information
seeking is an interactive process.
|
|
|
|
|
different
users, domains, and settings require distinct IR system
|
|
|
capabilities
|
|