The web is probably the most used knowledge repository
Searching the web is a pain:
- many search engines
- lacking semantics both in indexing
(<meta> tags often ignored, spiders can't capture the
semantics) and in searching (keyword searching and
context operators)
Richer expressions allow to distinguish between:
- aspirine cures headache
- aspirine causes headache
documents when searching for:
Can we trust in the information coming from the
web?
