LTP
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About
LTP (Language Technology Platform) is a Chinese language processing system developed by the Research Center for Social Computing and Information Retrieval of Harbin Institute of Technology. It provides a set of modules for Chinese language processing, including lexical, syntactic, and semantic analysis. LTP offers programming interfaces and can be used as a network service. It provides tools for generating statistical machine learning models for NLP tasks, programming interfaces for calling models, and a unified Chinese NLP system using a pipeline approach.
Platform
Task
Features
• syntactic analysis
• part-of-speech tagging
• word segmentation
• chinese nlp
FAQs
【版本：v3】在Mac下编译ltp，缺失wchar.h,string.h等文件
Confirm that the following command runs correctly: `xcode-select --install`
【版本：v3】我在使用`nndepparser`训练句法模型时遇到，segmentation fault
This may be due to not setting the head node label `--root HED`. Add this parameter when starting the trainer `nndepparser` to run normally.
【版本：v3】本地使用ltp的时候出现 [ERROR] … in LTP::wordseg, failed to load segmentor resource 是怎么回事儿？
This prompt means that the model loading failed. If you have not downloaded the model, please refer to 下载部署模型. The ltp checks the model signature and current version number when loading the model, so please make sure that the model you are using corresponds to the ltp version number you are using. The ltp version number can be viewed with `./bin/ltp_test --help`. The model version number can be viewed via `ltp_data/version`.
【版本：v3】我使用分词（词性标注）词典了，但是为什么某些词典词还是被切开了（词性没有按照字典标注）
The word segmentation (POS tagging) module of ltp does **not use a dictionary matching strategy**. External dictionaries are added to the machine learning algorithm as features, and it cannot be guaranteed that all words are segmented (tagged) in the way they are in the dictionary. If you want to segment (tag) words completely according to dictionary matching, you can try post-processing the results.
【版本：v3】可不可以把Java/Python调用LTP，或切词原理文档， 发我一份吗？
To call ltp using Java or Python, please refer to the ltp4j and pyltp projects and the 使用其他语言调用ltp section of the documentation.
【版本：v3】调用ltp_server时为什会出现400错误？
To ensure processing efficiency, ltp has a limit on the length of input sentences. The current limit is a maximum sentence length of _1024 characters_ and a maximum of _256 words_ in the word segmentation result. ltp only accepts UTF8 encoded input. If your input is GBK encoded, please convert it to _UTF8 without BOM encoding_.
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