Web search challenges

Notes:

Technical challenges

Huge amount of data
Frequent updates
Unstructured content
Un-indexable content (images, binary files, proprietary formats)

Notes:

What can be the technical challenges?

Quality challenges

Page quality

Expertise
Authoritativeness
Trustworthiness

Notes:

Come up with examples of websites that rank high on one of those scales.

Quality challenges

Page quality

Spam
Duplicate content

Notes:

Come up with examples. How could you detect this?

Quality challenges

Result quality

User intent
Misspellings

Notes:

How could you detect user intent?