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If a person is born deaf, which language do they think in?

  • February 11, 2014 8:35 pm

Survey of Open Source Search Engine

  • January 4, 2013 2:47 pm

Some New Words

  • September 11, 2011 4:46 pm

consonant: 辅音
plateau: 平稳阶段
mnemonics: 记忆术
prevocalic: 元音前的
viz: 也就是

shared library

  • July 30, 2010 10:38 am

Q. I’ve just performed a client only install of InterBase 7.5 and whenever I start any of the command line utilities (iblicense, gstat, gfix, isql) I get the error:

error while loading shared libraries: cannot load shared object file: No such file or directory

What do I do?

A. The simplest solution is create a symbolic lib of in /usr/lib. Example:

ln -s /opt/interbase/lib/ /usr/lib/

Another solution is to set your LD_LIBRARY_PATH to point to lib directory where InterBase is installed. Example:


Note that the client install only considers InterBase servers running on default portof 3050. If the server you are connecting is running on a different port you must edit your services file (/etc/services) to indicate the correct label and port. For additional information see the InterBase 7.5 Operations Guide.

Summary of NLP

  • July 29, 2010 4:01 pm


  • Stemming
  • Named Entity Recognization
  • Coreference
  • Part of speech labelling
  • Semantic Role Annotation


  • Logic-based
  • Statistic based
    • Markov Model
    • Conditional Random field
    • Naive Bayes
    • Machine Learning


Interested Field

  • Classification
  • Relation Extraction


  • July 27, 2010 11:30 am

sudo apt-get remove ubuntu-desktop

sudo apt-get install ubuntu-desktop 可就解决更新后变慢的问题

Accuracy and Recall

  • July 18, 2010 1:44 pm

In an information retrieval scenario, Precision is defined as the number of relevant documents retrieved by a search divided by the total number of documents retrieved by that search, and Recall is defined as the number of relevant documents retrieved by a search divided by the total number of existing relevant documents (which should have been retrieved).


  • July 13, 2010 3:02 pm


repository—the Open Directory Project (ODP, largest Web directory to date, where concepts correspond to categories of the directory,

cornell NLP group

computational linguistics

  • July 11, 2010 11:39 pm

Logical Natural language processing and syntax-based computational linguistics

Statistical natural language processing and corpus-based computational linguistics


  • July 8, 2010 9:41 pm

(这条文章已经被阅读了1228次) 时间:2001年11月16日 11:29 来源:陆元婕 原创-IT

随着社会的日益信息化,人们越来越强烈地希望用自然语言同计算机交流。自然语言理解是计算机科学中的一个引人入胜的、富有挑战性的课题。从计算机科学特别 是从人工智能的观点看,自然语言理解的任务是建立一种计算机模型,这种计算机模型能够给出象人那样理解、分析并回答自然语言(即人们日常使用的各种通俗语 言)的结果。

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