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  • 1980-1984  (1)
  • 1900-1904  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Über die Prüfung fetthaltiger Baumwolle auf Selbstentzündlichkeit (1904)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 43 (1904), S. 189-190 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01339697
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Is text compression by prefixes and suffixes practical? (1983)
    Springer
    Acta informatica 20 (1983), S. 371-389 
    Details
    ISSN: 1432-0525
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Summary One approach to text compression is to replace high-frequency variable-length fragments of words by fixed-length codes pointing to a compression table containing these high-frequency fragments. It is shown that the problem of optimal fragment compression is NP-hard even if the fragments are restricted to prefixes and suffixes. This seems to be a simplest fragment compression problem which is NP-hard, since a polynomial algorithm for compressing by prefixes only (or suffixes only) has been found recently. Various compression heuristics based on using both prefixes and suffixes have been tested on large Hebrew and English texts. The best of these heuristics produce a net compression of some 37% for Hebrew and 45% for English using a prefix/suffix compression table of size 256.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00264280
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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