CaCl2
Introduction
What is CaCl2?
CaCl2（CaCl2: Chinese Lexicon V2, Simple Chinese：CA中文语言词库） CaCl2 is originates from a Chinese natural language processing(NLP) researching project sponsored by a Chinese company. CaCl2 project is an important part of CaOCl (CaOCl: Open Chinese Lexical Analyzer) Project.
How does CaCl2 work?
CaCl2 analyses the existing large volumes of textual data obtain from Internet and reformats data into massive entries , Catalogues and classifies the entries according to the financial industry classification standard [see reference.1],
What can CaCl2 Lexicon do?
In the natural language processing (NLP) tasks, the CaCl2 lexicon helps break down language into shorter, elemental pieces.(Aka. tokenization) the CaCl2 lexicon can be used for higher-level NLP tasks such as word segmentation, document summarization, contextual extraction, content categorization, etc.
What is CaCl2 aim at?
CaCl2 project aims to build a consistent, complete and accurate industrial lexicon or dictionary collections for Internet. we make our best effort to achieve higher data integrity, provide a firm foundation for Chinese NLP works, Users would devote more attention to their business and research.
Statistics
Entries
| Date | All | Candidate | Released | Preview |
|---|---|---|---|---|
| 2021-02-01 | 21,000,000 | 3,000,000 | 2,553,806 | 280,000 |
Dictionaries
| Date | Class | Industries | Released | Preview | Closing |
|---|---|---|---|---|---|
| 2021-02-01 | Class-1 | 28 | 2 | 26 | 0 |
| 2021-02-01 | Class-2 | 104 | 5 | 99 | 0 |
**Detail Statistics data please refer to Statistics
Get Start
1.Clone cacl2 or download dictionaries from GitHub
Clone cacl2
git clone https://github.com/limccn/cacl2.git
or Download a dictionary
wget https://github.com/limccn/cacl2/blob/master/archive/v0.2/\[put dictionary code here].zip
2.Import dictionaries to your project & research environment
CaCl2 dictionary has a well formatted, can be use in many lexiconic tools.
import jieba
dict_name = '480000.txt'
jieba.load_userdict(os.path.join(BASE_PATH_TO_DICT), dict_name))
<properties>
<entry key="ext_dict">480000.txt;480100.txt;</entry>
</properties>
3.Run，Test and Enjoy CaCl2！
Open-Source Schedule
Released
| Code | Name | Entries | Date | Version | Format | Download |
|---|---|---|---|---|---|---|
| 480000 | Banking-Common | 40612 | 2021-02 | v0.2 | txt | 480000.zip |
| 480100 | Banking-Bank | 224433 | 2021-02 | v0.2 | txt | 480100.zip |
| 490000 | Financials-Common | 341235 | 2021-02 | v0.2 | txt | 490000.zip |
| 490100 | Financials-Securities | 311121 | 2021-02 | v0.2 | txt | 490100.zip |
| 490200 | Financials-Insurance | 31020 | 2021-02 | v0.2 | txt | 480200.zip |
Scheduled Release
| Code | Name | Entries | Schedule | Version | Format | Download |
|---|---|---|---|---|---|---|
| 490300 | Financials-Others | 10,000 | 2Q 2021 | v0.2 | txt | 490300.zip |
Technical Preview
Before dictionary finally publish/release, we published a technical preview dictionary contains 10,000 entries for every class-1 industry. If you need further information about all entries, Please refer to Statistics
**Original raw data, please refer to /dicts **Detail Class-1 and 2 industries dictionaries, Please refer to Statistics
Comparison and Test
1.Comparsion
（@CaoWJ）Dictionary
（@CaoWJ）
（@CaoWJ）
2. Test and Score
2.1 industrial test dataset
Word segmentation test use for different industrial textual data
2.1.1 Word segmentation use financial industry（banking industry Only）dictionary
2.1.2 Word segmentation use Financial industry（Except banking industry）dictionary
2.2 Standard test dataset
Word segmentation test use Standard Chinese test dataset
History and changelogs
1.Regular releases
| Version | Date | Changelogs |
|---|---|---|
| 0.2 | 2021 | latest |
| 0.1.1 | 2020 | Catalogues and classifies all entries into 28 class-1 industries and 240 class-2 industries |
| 0.1 | 2019 | First released version，contains overs 20 million entries，data mainly obtain from Baidu baike，Wikipedia |
2.Monthly/Quarterly releases
| Version | Circle | Date | Changelogs |
|---|---|---|---|
| v0.2.21.01 | monthly | 2021-02-01 | Release: banking and financials dictionary |
| v0.2.20.12 | monthly | 2021-01-01 | v0.2 Initial version |
FAQ
Disclosure
CaCl2 and its data comes from the information published on the Internet. CaCl2 does not guarantee the integrity and correctness of the data. CaCl2 does not constitute any investment suggestion. As Contributor, we have no positions in any stocks mentioned. We have no business relationship with any company whose stock is mentioned in this article.
