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Index Compression Using Byte-Aligned ANS Coding and Two-Dimensional Contexts.

WSDM 2018: The Eleventh ACM International Conference on Web Search and Data Mining Marina De..., pp.405-413, (2018)

Cited by: 14|Views209
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Abstract

We examine approaches used for block-based inverted index compression, such as the OptPFOR mechanism, in which fixed-length blocks of postings data are compressed independently of each other. Building on previous work in which asymmetric numeral systems (ANS) entropy coding is used to represent each block, we explore a number of enhanceme...More

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