Data Package 2.0 · Table Schema 2.0 · CC BY 4.0

Bopomofo Frictionless Data Package 2.0

Download one self-contained directory for ETL, notebooks, data catalogs and reproducible pipelines. No account or API key.

37 validated rows12 typed fieldsPortable relative pathsSHA-256 verified

Package files

The descriptor resolves its CSV and Table Schema by relative path, so the directory works online or after download.

Data Package descriptordatapackage.json Table Schematable-schema.json UTF-8 CSVsymbols.csv

Validate and load

Frictionless validates the descriptor, schema, primary key, types, constraints and every CSV row.

pip install frictionless==5.19.0
frictionless validate https://alice51849.github.io/ios-app-guide/data/packages/zhuyin-bopomofo/datapackage.json

Python

from frictionless import Package

package = Package("https://alice51849.github.io/ios-app-guide/data/packages/zhuyin-bopomofo/datapackage.json")
with package.get_resource("symbols") as resource:
    rows = resource.read_rows()

Portable field contract

Field	Type	Meaning
`order`	integer	Stable pedagogical order from 1 through 37.
`symbol_id`	string	Stable ASCII identifier derived from the Unicode code point.
`concept_uri`	string	Stable URI for the corresponding SKOS concept.
`symbol`	string	The single Bopomofo character.
`unicode`	string	Unicode code point in U+XXXX notation.
`pinyin`	string	Hanyu Pinyin correspondence.
`ipa`	string	Compact IPA correspondence for the symbol.
`category`	string	One of initial, medial or final.
`category_uri`	string	Stable URI for the SKOS category concept.
`example_character`	string	Traditional Chinese example character.
`example_pinyin`	string	Tone-marked Pinyin for the example.
`example_meaning_en`	string	Short English gloss for the example.

Suitable uses

ETL and data-quality checks
Notebook and dataframe imports
Catalog ingestion and reproducible builds
Reference tables for language tooling

Limitations

Not a pronunciation or speech dataset
Not a text conversion API
Not a learner assessment or curriculum
Examples are compact references, not complete phonology rules

Data preview

Order	Symbol	Category	Pinyin	IPA	Example
1	ㄅ	initial	b	p	爸 (bà)
2	ㄆ	initial	p	pʰ	怕 (pà)
3	ㄇ	initial	m	m	媽 (mā)
4	ㄈ	initial	f	f	飛 (fēi)
5	ㄉ	initial	d	t	大 (dà)
6	ㄊ	initial	t	tʰ	天 (tiān)
7	ㄋ	initial	n	n	你 (nǐ)
8	ㄌ	initial	l	l	來 (lái)
9	ㄍ	initial	g	k	狗 (gǒu)
10	ㄎ	initial	k	kʰ	看 (kàn)
11	ㄏ	initial	h	x	好 (hǎo)
12	ㄐ	initial	j	tɕ	家 (jiā)
13	ㄑ	initial	q	tɕʰ	去 (qù)
14	ㄒ	initial	x	ɕ	小 (xiǎo)
15	ㄓ	initial	zh	ʈʂ	中 (zhōng)
16	ㄔ	initial	ch	ʈʂʰ	吃 (chī)
17	ㄕ	initial	sh	ʂ	是 (shì)
18	ㄖ	initial	r	ʐ	人 (rén)
19	ㄗ	initial	z	ts	早 (zǎo)
20	ㄘ	initial	c	tsʰ	菜 (cài)
21	ㄙ	initial	s	s	三 (sān)
22	ㄧ	medial	i / yi	i	一 (yī)
23	ㄨ	medial	u / wu	u	五 (wǔ)
24	ㄩ	medial	ü / yu	y	魚 (yú)
25	ㄚ	final	a	a	大 (dà)
26	ㄛ	final	o	ɔ	波 (bō)
27	ㄜ	final	e	ɤ	喝 (hē)
28	ㄝ	final	ê	ɛ	誒 (ề)
29	ㄞ	final	ai	ai	愛 (ài)
30	ㄟ	final	ei	ei	給 (gěi)
31	ㄠ	final	ao	au	好 (hǎo)
32	ㄡ	final	ou	ou	有 (yǒu)
33	ㄢ	final	an	an	安 (ān)
34	ㄣ	final	en	ən	恩 (ēn)
35	ㄤ	final	ang	aŋ	忙 (máng)
36	ㄥ	final	eng	əŋ	冷 (lěng)
37	ㄦ	final	er	ɚ	二 (èr)

Standards and linked resources

The package reuses the exact Croissant CSV bytes and links to the SKOS vocabulary rather than maintaining another dataset.

Croissant data card SKOS vocabulary Data Package 2.0 standard

License and package independence

The package is CC BY 4.0. Its descriptor, schema and CSV contain no App Store URL, app identifier or software promotion.

CC BY 4.0

Optional practice layer

Lumi Bopomofo adds short, on-device activities. The open package remains free, portable and independent.

View Lumi Bopomofo on the App Store