An Efficient, Programmable and Interchangeable Code System: EPICS

Noritaka OSAWA  Toshitsugu YUBA  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E83-D   No.4   pp.797-806
Publication Date: 2000/04/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Software Systems
Keyword: 
symbol code system,  virtual machine,  variable-length coding,  dynamic customization,  

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Summary: 
This paper proposes and evaluates a character or symbol code system called EPICS for multilingual information processing. EPICS integrates a variable-length coding system using 16-bit units and a smart virtual machine. EPICS enhances the interchangeability of data. The variable-length coding system provides a huge code space. This huge space can include not only standardized code sets but also non-standardized codes of ancient symbols and user-specific symbols. The smart virtual machine executes inputs as instructions and is dynamically customizable. It allows us to define and modify instructions during runtime and provides us with customization facilities. Customization facilities can be used to specify a sorting order and normalization. Customization also makes it possible for an information producer (sender) to express his intentions or annotations in data and for an information consumer (receiver) to process the data depending on his needs. Moreover, customization enables one to send compressed data and decompression program fragments incrementally and efficiently without predefined decompression algorithms.