Companies might also find that the massive job of going through all their existing data and inserting semantic tags is just too daunting a job to tackle, even if it might save time and money somewhere down the line.

FORBES: The Evolution Of Web Search

In a similar vein by starting to include the tags and descriptors defined by semantic web standards into its search index, web users suddenly have better reasons to use them.

BBC: NEWS | Technology | Yahoo makes semantic search shift