19. The system recited in claim 15 further comprising a parallel fragment engine configured to determine whether a source fragment associated with the source sentence comprises a parallel translation of a target fragment associated with the one or more target sentences.
15. A system for identifying parallel documents in a bilingual collection, the system comprising: a word translator engine stored in a memory, executable by a processor, and configured to translate a source document from a bilingual collection; a query engine configured to query a target library associated with the bilingual collection using the translated source document and identify one or more target documents based on the query; a document selector engine configured to align a source sentence associated with the source document to one or more target sentences associated with the one or more target documents; and a parallel document engine configured to determine whether the source document comprises a parallel translation of one of the one or more the target documents, the parallel document engine further configured to: determining a percentage of words that are aligned in each sentence pair of the target document using greedily linking, determining a number of sentence pairs in the target document that are parallel sentence pairs based on the percentage of words that are aligned in each sentence pair, and selecting the target document as being a parallel translation of the source document according to a number of parallel sentence pairs in the target document.