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BFSU_PowerConc (北外语料库工具: 功能强大易操作由国人研制)

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  • TA的每日心情
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    2018-7-21 06:27
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    [LV.10]译术家III

    发表于 2014-9-22 13:50 | 显示全部楼层 |阅读模式
    本帖最后由 lkq20002 于 2014-9-22 16:43 编辑

    BFSU PowerConc was designed by Prof. Jiajin Xu, Prof. Maocheng Liang and Mr. Yunlong Jia, and was programmed in Delphi by Mr. Yunlong Jia.
    Design features of BFSU PowerConc
    1. Full support for Regular Expressions based concordancing and (key)word list analyses.
    2. Multi-unit expressions (R-grams) constitute the basic units of analysis for all operations in BFSU PowerConc. Therefore, Wordlist function in other concordancers is superceded by N-gram List, which is defined by Data Type (e.g. word, lemma, word_POS, POS, and reduced POS,) and Length (up to ten unit long). Thus N-gram List can yield word list, multi-word list (aka. cluster/chunk), POS list, and multi-POS list (aka. POSgram) up to ten unit long.
    3. Words tagged with ditto tags in CLAWS tagset version 7 can be regarded compound words (which is default in the tool) or individual words. For instance, 'of course' is not seen as two words if 'Support Ditto Tags' were checked. Ditto tagged words/phrases 'of course', 'a lot of', and 'at once' can appear in the collocates in collocation analysis.
    4. Smart input (to be specified soon).
    At sign (@), hash sign (#) and asterisk (*) are reserved as special characters for Smart Input query in BFSU PowerConc.
    5. Concordance plot can be further analysed statistically, rather than viewing and arriving at impressionistic conclusions.
    6. A commonly used keyword extration metric in NLP, TF*IDF (term frequency * inverse document frequency) is implemented in BFSU PowerConc. The biggest strength of TF*IDF is that a keyword list can ben generated without a reference corpus as introduced by WordSmith Tools and emulated in AntConc as well.
    7. Effect size of log-likelihood based keyword analysisi will be implemented soon. The metric was proposed by Dr. Costas Gabrielatos and Anna Marchi.




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  • TA的每日心情
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    2018-7-21 06:27
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    [LV.10]译术家III

     楼主| 发表于 2014-9-22 13:55 | 显示全部楼层
    本帖最后由 lkq20002 于 2014-9-22 14:06 编辑

    相对于WordSmith Tools 6.0, BFSU_PowerConc更加人性化, 界面简洁,使用方便, 可以说Wordsmith Tools的主要功能在BFSU_PowerConc中已发挥得淋漓尽致。无论是生语料还是经过词性标注后的语料,此软件处理不须过多的设置。最大的特点是可处理不分词的汉语,即汉语原始语料. 唯一的不足之处是语料不能过大,否则会中断;另外,文件的编码须为Ansi.
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  • TA的每日心情
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    2017-9-9 16:47
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    [LV.9]译术家II

    发表于 2017-1-10 20:37 | 显示全部楼层
    链接失效了,烦请楼主再发一下好吗?

    点评

    文件超过上传的上限,上传不了,不好意思。  详情 回复 发表于 2017-1-30 10:03
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  • TA的每日心情
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    2018-7-21 06:27
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    [LV.10]译术家III

     楼主| 发表于 2017-1-30 10:03 | 显示全部楼层
    brianleeeee 发表于 2017-1-10 20:37
    链接失效了,烦请楼主再发一下好吗?

    文件超过上传的上限,上传不了,不好意思。
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  • TA的每日心情
    奋斗
    2018-7-21 08:39
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    [LV.6]翻译艺术II

    发表于 2018-2-26 08:37 | 显示全部楼层
    哪位大神上传一下,惠及坛友
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