Carnegie Mellon Different types of searches Needles VS HaystackS Searching for top 40, or an obscure punk track from 1981 that nobody,'s heard of? Search expressiveness Whole word? Reqular expressions? File names? Attributes? Whole-text search? (e.g., p2p gnutella or p2p google?)1 0 Different types of searches • Needles vs. Haystacks – Searching for top 40, or an obscure punk track from 1981 that nobody’s heard of? • Search expressiveness – Whole word? Regular expressions? File names? Attributes? Whole-text search? • (e.g., p2p gnutella or p2p google?)