Imperfect Queries


The queries submitted by search-engine users are usually imperfect because the users normally do not know how to compose the queries precisely according to what they are searching for. For example, the list below shows various queries and corresponding ranked search results by using a search engine to search for the book:

Intelligent multimedia information retrieval
There is a query that is a mix of some of the above queries. This example shows that even a slight variation in the query produces significant differences among the search results.




      Why is money called dough?    
      Because we all knead it.