12. The system according to claims 9 , wherein said means for finding comprises: means for comparing said second image to said first image using said image library wherein said second image and said first image are contained within said image library; means for finding a relevant image wherein said relevant image is an image from said first relevant document which is highly similar to an image from second relevant document; and means for finding a third relevant document based on said relevant image and said mapping between said text library and said image library.
9. A system for searching multilingual documents, the system comprising: means for receiving a searching request based on at least one language; means for searching a first relevant document using said search request wherein said first relevant document is written in a first language and has a first image; means for searching a data source for a second relevant document having a second image which is similar to said first image and is written in a second language; means for searching said second relevant document using said search request; means for establishing a text library and an image library for the multilingual documents, wherein said means for establishing comprises means for collecting, using a network automatic program, a multilingual document to establish a multilingual document library; means for extracting main texts and main images from said multilingual document library to establish said text library and said image library; means for mapping said text library to said image library.