7. The method of claim 5 , wherein each first token identifier comprises an M bit integer value, and each second token identifier comprises an N bit integer value, N and M are positive integers and N is greater than M.
5. The method of claim 1 , wherein generating a content snippet corresponding to content in a respective document includes: receiving a set of first token identifiers from a compressed document repository; performing a first decompression operation by applying one or more first mappings to the set of first token identifiers to provide a set of second token identifiers; and performing a second decompression operation by applying a second mapping to the set of second token identifiers to recover uncompressed content comprising a portion of the respective document.