By some definitions, "Web 3.0" will be characterized by semantic mapping of data. Unlike regular searches which mine information based on keywords you type in, semantic search looks for information you want by connecting the meaning of words. Say, for example, you type in the word "cold." The way search engines like Google and Yahoo run now, you would get results based on the word alone. But "cold," like many words in the English language, is ambiguous and could mean anything from your health to the temperature. The semantic map would give computers the ability to understand words in context through tenses and sentence structure, much like the human brain. A semantic map released this week claims to teach computers the meaning of words with more than 10 million semantic connections.