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.
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. 6. The method of claim 5 , wherein the first decompression operation produces a respective second token identifier for each first token identifier, the set of second token identifiers having a same number of distinct token identifiers as the first set of token identifiers, and wherein the second decompression operation produces a respective uncompressed content item for each second token identifier.