Improving Innovation By economist.com ..Also, if you know the terminology, you can give the search engine some semantic smarts. Semantic search engines look at the meaning of the words being searched. Disambiguating words with similar spelling (eg, a dog’s bark and a tree’s bark) cuts out lots of dumb responses. Hakia.com does semantic searching well... Posted at: http://www.economist.com/science/displaystory.cfm?story_id=10787664