How we know: measuring the sky, sentence 8
In 1838 Friedrich Bessel measured the parallax of the star 61 Cygni, the first star distance ever measured.
Who acts: Friedrich · What happens: measure · To what, where: parallax, 1838, first star distance
This is a sentence of the lesson «How we know: measuring the sky» of the space course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Friedrich), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | In | in | ADP | _ | 2 1838 | case |
| 2 | 1838 | 1838 | NUM | NumForm=Digit NumType=Card | 5 measured | obl |
| 3 | Friedrich | Friedrich | PROPN | Number=Sing | 5 measured | nsubj |
| 4 | Bessel | Bessel | PROPN | Number=Sing | 3 Friedrich | flat |
| 5 | measured | measure | VERB | Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin | root | root |
| 6 | the | the | DET | Definite=Def PronType=Art | 7 parallax | det |
| 7 | parallax | parallax | NOUN | Number=Sing | 5 measured | obj |
| 8 | of | of | ADP | _ | 10 star | case |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 star | det |
| 10 | star | star | NOUN | Number=Sing | 7 parallax | nmod |
| 11 | 61 | 61 | NUM | NumForm=Digit NumType=Card | 10 star | flat |
| 12 | Cygni | Cygni | PROPN | Number=Sing | 10 star | flat |
| 13 | , | , | PUNCT | _ | 17 distance | punct |
| 14 | the | the | DET | Definite=Def PronType=Art | 17 distance | det |
| 15 | first | first | ADJ | Degree=Pos NumForm=Word NumType=Ord | 17 distance | amod |
| 16 | star | star | NOUN | Number=Sing | 17 distance | compound |
| 17 | distance | distance | NOUN | Number=Sing | 10 star | appos |
| 18 | ever | ever | ADV | PronType=Ind | 19 measured | advmod |
| 19 | measured | measure | VERB | Tense=Past VerbForm=Part Voice=Pass | 17 distance | acl |
| 20 | . | . | PUNCT | _ | 5 measured | punct |
Pragmatics
- form
- statement
- act
- assert
- voice
- narrator
- polarity
- none
- teacher
- kept the draft
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | measure | past | Friedrich | the parallax of the star | 1838 | vn register-54.1-2-1 «NP V NP.value»: agent=Theme parallax=Value | |||
| 2 | measure | participle | the first star distance not said here | ever | vn register-54.1-2-1 «NP V NP.value»: agent=Theme |
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.
Licence: CC BY-SA 4.0, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, mova-school-agreed-en.conllu) is part. The lessons were written for Mova's primary school. Sentence school:space:028-how-we-know-measuring-the-sky.lesson:8.
The tree: Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R8-pos-agree ×1. The frames are read from the tree by Mova's frames reader (prag) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.
See the release 0.4.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/space/28-how-we-know-measuring-the-sky/8/