We propose … a new approach to compressing general-purpose databases, which … by identifying and replacing frequently occurring symbol-pairs. The … is that RAY uses a multipass approach … [When done] the phrase dictionary is carefully compressed and … [p. 433] we use canonical Huffman coding [ref] and the bitwise Elias gamma and delta codes [refs] … Last, the compressed input stream is coded using … [This] allows decoding at any offset with the …
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