Structured Data Compression

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Structured Data Compression

• Xtreme Compression, Inc. is a software design
  consultancy with special expertise in structured
  data compression. We apply our proprietary
  algorithms and source code to compress and
  encrypt structured data whenever performance
  beyond the reach of conventional methods is
  required.

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Software Implementation

• Typically, data structures are compressed and
  encrypted individually, and then used in that
  form. Decompression is generally encapsulated and
  invisible above the lowest software levels. Doing
  that sets a distinct level above which the host
  system remains unchanged.

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Our Proprietary Data Compression Methods

• Attribute vector coding is the first vector
  transform method for compressing multidimensional
  database tables. It is tuple-oriented and
  semantic. It breaks new ground by capturing and
  exploiting the innumerable relationships,
  functional dependencies, and statistical
  correlations in data without having to solve the
  intractable problem of explicitly identifying and
  defining them. It achieves unequaled compression
  because it systematically models data at the
  highest levels of abstraction, across dimensions
  and data types. That makes it far less subject
  than conventional methods to compressibility
  limits imposed by information theory.

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Repopulation

• Repopulation is a structural method for
  compressing the common configuration of access
  data structures consisting of separate hash and
  collision tables, and handling collisions
  sequences of database record numbers through
  external chaining. It populates hash table
  locations that would otherwise be empty with
  parts of collision strings that would otherwise
  occupy memory.

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Superpopulation

• Superpopulation is a variable-to-variable-length
  algorithm that compresses index tables, lists,
  arrays, zerotrees, and similar data. It
  systematically accommodates wide local variations
  in data statistics. Superpopulation may be used
  by itself or in conjunction with repopulation.

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