No longer do consumers want to search the Web like the index of a book — finding links at which a particular keyword appears. They expect new kinds of customized search, like that on topical sites such as Yelp, TripAdvisor or Amazon, which are chipping away at Google’s hold.
Google and its competitors are trying to develop the knowledge and comprehension to answer specific queries, not just point users in the right direction… People are overwhelmed at how crowded the Internet has become — Google says there are 30 trillion Web addresses, up from 1 trillion five years ago — and users expect their computers and phones to be smarter and do more for them.
Many of the new efforts are services that people do not even think of as search engines.
Read the full article at: http://semanticweb.com/are-rising-semantic-search-companies-closing-in-on-google_b36405