More than 46+ collections of Thai Natural Language Processing libraries. Update daily.
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README.md

Thai Natural Language Processing (Thai NLP) Resource

Collection of Thai Natural Language Processing (NLP) software libraries, dictionaries, and corpus. Always welcome for pull requests.

Thai NLP Libraries/Services

Thai Character Cluster

Library Description Programming Languages Features License Author & Link
JTCC Thai Character Cluster Java GPL-3.0 Wittawat
TCC Thai Character Cluster Python Apache 2.0 Wannaphong

Thai Sentiment Analysis

Library Description Programming Languages Features License Author & Link
sentiment_analysis_thai JagerV3

Thai Soundex

Library Description Programming Languages Features License Author & Link
LK82 + Udom83 Thai Soundex Python Korakot

Word Segmentation

Library Description Programming Languages Features License Author & Link
Swath SWATH (Smart Word Analysis for THai) is a word segmentation for Thai C Longest Matching, Maximal Matching and Part-of-Speech Bigram. GPL CMU
Lexto Lexto: Thai Lexeme Tokenizer Java LGPL NECTEC
Python 2 LGPL Python2 Wrapper
Python 3 LGPL Python3 Wrapper
Wordcut Thai word breaker for Node.js JavaScript, Node.JS LGPL-3.0 veer66, github
wordcutpy A simple Thai word tokenizer written in 1 Python file Python 3 LGPL-3.0 veer66, github
CutKum Thai Word-Segmentation with Deep Learning in Tensorflow. RNN. Python 93% F-measure. MIT Pucktada, github
Thai Language Toolkit (tltk) Based on a paper by Wirote Aroonmanakun in 2002. Word segmentation is based on a maximum collocation approach. Syllable segmentation is based on 3grams statistics. (Dataset is included) Python 97.86% F-measure. (It was tested on a different testset; it is not fair to compare it with other models.) GPLv3 awirote, the Python Package Index
DeepCut A Thai word tokenization library using Deep Neural Network. CNN. Python 98.8% F-measure. MIT rkcosmos, github
SynThai Thai Word Segmentation and Part-of-Speech Tagging with Deep Learning. RNN. LSTM. Python 99.2% F-measure MIT KenjiroAI, github
CutThai Thai word segmentation written in coffee-script Edit Coffee-script MIT Pureexe/cutthai Github
Multi-Candidate-Word-Segmentation Multi Candidate Word Segmentation for Thai language Python, RNN, LSTM 97.0% F-measure (Word Level), 98.95% F-measure (Boundary Level) MIT Paper, earthy123/Multi-Candidate-Word-Segmentation

Part of Speech Tagging (POS Tagging)

Library Description Programming Languages Features License Author & Link
Jitar+NAiST A simple Trigram HMM part-of-speech tagger Java Ver66, Jitar + NAiST, 1 + NAiST, 2
SynThai Thai Word Segmentation and Part-of-Speech Tagging with Deep Learning. RNN. LSTM. Python 0.9163 F-measure. RNN. LSTM MIT KenjiroAI, github

Name Entity Recognition

Library Description Programming Languages Features License Author & Link
Named Entity Tagging (Thai NEST) Thai Named Entity tagging Specification and Tools GPL KINDML, SIIT, AIAT
ThaiNER Thai Named Entity Recognition for PyThaiNLP Python Apache 2.0 (code) & CC BY 3.0 (Dataset) ThaiNER

News Structure Tagging

Library Description Programming Languages Features License Author & Link
News Structure Tagging Program Thai News Structure Tagging Program Metadata tagging, Structure tagging, Automatic News Title Generation GPL AIAT

Syntactic Parsing & Tools

Library Description Programming Languages Features License Author & Link
Chart-parser Extract Syntactic Structure from POS Tagged Sentence. C All rights reserved Thanaruk T. (thanaruk@siit.tu.ac.th)
Grammar Processing Labelled Brackets -> Context Free Grammars (CFGs) Python Transform and compute probability Thodsaporn C.

Thai Word Embedding

Library Description Programming Languages Features License Author & Link
kobkrit-word-embedding Tensorflow implementation of Thai word embedding Python Source code, Example, Word distance graph LGPL Kobkrit V.

Thai Question Answering (Machine Comprehension)

Service Description License Author & Link
Thai Machine Comprehension (ThaiMC) Bidirectional Attention Flow Copyright (As the service) iApp-AI

Thai Emojification

Service Description License Author & Link
Thai Emotification LSTM GNU General Public License v3.0 Demo at iApp-AI and Source, Github

Dictionaries / Translation Pairs

Library Description Size Features License Link
Transliteration Corpus 31K pairs Thai-Eng Translation Pair CC BY-NC-SA 3.0 TH NECTEC
LEXiTRON Thai<->English Dictionary TH->EN, EN->TH LEXiTRON License NECTEC
Yaitron LEXiTRON in machine readable format (XML) TH->EN, EN->TH LEXiTRON License Veer66 Schema, Data & Conversion Code

Downloadable Text Corpus

Library Description Size Features License Link
ORCHID 30K sent. Word Seg., POS Tagged. CC BY-NC-SA 3.0 TH NECTEC
InterBEST 2009/2010 5M words Word Seg. CC BY-NC-SA 3.0 TH NECTEC
Thai Wikipedia Formal Articles 1.49GB (~213.1 MB compressed) XML GFDL WIKIPEDIA
TNC Top-5000 Words Word frequency 5,000 words Frequency of Thai words in various genres, EXCEL All rights reserved CHULA
Click Bait Sentences Thai Click Bait Sentence 330 sent. (90.7KB) MIT Wannaphongcom
Thai Sentimental Word List Thai Sentimental Words List 52KB Seperated Words as Adj, V MIT Wannaphongcom
Prime Minister 29 Prime Minister 29's Speech Sentences 338KB Word segged, Name Entity Tagged MIT Wannaphongcom
Thai named entity corpora named entity corpora by Wirote Aroonmanakun's students 266KB-1.5MB syllable seg., word seg., Named Entity tagged GPLv3(not sure, but tltk is using this license) นัชชา ถิระสาโรช Data
ศศิวิมล กาลันสีมา Data
ณัฐดาพร เลิศชีวะ Data
Thai WordNet THE CONSTRUCTION OF THAI WORDNET OF 1ST ORDER ENTITY COMMON BASE CONCEPTS USING A BI-DIRECTIONAL TRANSLATION METHOD AND WITH DICTIONARIES OF DIFFERENT COMPILATIONAL APPROACHES(ธนนท์ หลีน้อย)

THE CONSTRUCTION OF THAI WORDNET OF 2ND ORDER ENTITY COMMON BASE CONCEPTS USING A BI-DIRECTIONAL TRANSLATION METHOD : A STUDY OF THE DIVERSITY OF MEANINGS AFFECTING TRANSLATIONAL ACCURACY (ปริศนา อัครพุทธิพร)
WordNet N/A ธนนท์ หลีน้อย 2008
ปริศนา อัครพุทธิพร Data 2008
Toxicity in Thai Tweet Corpus Tokyo Metropolitan University Natural Language Processing Group Each tweet is labeled as toxic or non-toxic CC BY-NC 4.0 tmu-nlp

Web Query Text Corpus

Library Description Size Features License Link
Thai National Corpus 2 32M words Query text by genre, domain All rights reserved CHULA
Thai Medical Document 3,594 docs Document and dynamic keyword map All rights reserved KINDML, SIIT
Southeast Asian Languages Library Thai News, Web Text, Pop Music, Literature, Toponyms 20M chars Phase around a search text SEALang
HSE Thai Corpus Modern texts written in Thai language (mostly news websites) 50M tokens Query by word form, lexeme, translation, grammatical attributes, lexical attributees HSE School of Linguistics

Pre-trained Word Vectors

Pre-trained Model Description Size Dimensions License Link
fastText Skip-Gram model trained on Wikipedia using fastText 300 CC BY-SA 3.0 Facebook + Bin & Text + Text Only
thai2vec v0.2 ULMFit on Wikipedia. Perplexity of 34.9 with 60,002 embeddings. 70MB 300 MIT thai2vec / pyThaiNLP

Text Classification Benchmarks

Model Description Dataset Accuracy License Link
thai2vec v0.1 ULMFit BEST 94.4% MIT thai2vec / pyThaiNLP
thai2vec v0.2 ULMFit Wongnai Challenge 62.7% MIT thai2vec / pyThaiNLP

Not found? Try to look at another Thai NLP Awesome List/Resource (Like this one)

https://resources.aiat.or.th/

Acknowledgements