lidar Who acts: way, flashes, laser light, sensor, driving car, Scientists · What happens: measure, send out, take, bounce back, flash, do · To what, where: distance, quick flashes, this, spinning lidar, roof, lidar
«lidar» in the school dictionary: its 2 meanings for a pupil and its 7 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: lidar in the school dictionary .
Meaning 1 A way of measuring distance by sending out quick flashes of laser light and timing how long they take to bounce back.
The tree, 22 words det mark acl obj mark advcl compound:prt amod obj case compound nmod cc conj advmod advmod nsubj acl:relcl mark advcl advmod punct root A DET way NOUN of SCONJ measuring VERB distance NOUN by SCONJ sending VERB out ADP quick ADJ flashes NOUN of ADP laser NOUN light NOUN and CCONJ timing NOUN how ADV long ADV they PRON take VERB to PART bounce VERB back ADV . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 A a DET Definite=Ind PronType=Art 2 way det 2 way way NOUN Number=Sing root root 3 of of SCONJ _ 4 measuring mark 4 measuring measure VERB VerbForm=Ger 2 way acl 5 distance distance NOUN Number=Sing 4 measuring obj 6 by by SCONJ _ 7 sending mark 7 sending send VERB Tense=Pres VerbForm=Part 4 measuring advcl 8 out out ADP _ 7 sending compound:prt 9 quick quick ADJ Degree=Pos 10 flashes amod 10 flashes flash NOUN Number=Plur 7 sending obj 11 of of ADP _ 13 light case 12 laser laser NOUN Number=Sing 13 light compound 13 light light NOUN Number=Sing 10 flashes nmod 14 and and CCONJ _ 15 timing cc 15 timing timing NOUN Number=Sing 13 light conj 16 how how ADV PronType=Int 17 long advmod 17 long long ADV Degree=Pos 19 take advmod 18 they they PRON Case=Nom Number=Plur Person=3 PronType=Prs 19 take nsubj 19 take take VERB Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin 15 timing acl:relcl 20 to to PART _ 21 bounce mark 21 bounce bounce VERB VerbForm=Inf 19 take advcl 22 back back ADV _ 21 bounce advmod 23 . . PUNCT _ 2 way punct
# verb tense, mood who what, whom to whom where when other roles by
1 measure gerund a way not said here distance vn register-54.1-2-1 «NP V NP.value»: agent=Theme distance=Value 2 send out gerund a way not said here quick flashes of laser light and timing vn confine-92-1 «NP V NP»: agent=Agent flash=Theme 3 take present flashes = flash long property vn bring-11.3 «NP V NP»: agent=Agent 4 bounce back to-infinitive flashes = flash not said here vn run-51.3.2-2 «NP V»: agent=Theme 5 flash laser light and timing nom flash «event intransitive»: of=agent
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.
Meaning 2 The machine or sensor that does this, as on a self-driving car or a survey plane.
The tree, 17 words det nsubj cc nsubj acl:relcl obj punct case case det compound punct amod obl cc det compound conj punct root The DET machine NOUN or CCONJ sensor NOUN that PRON does VERB this PRON , PUNCT as ADP on ADP a DET self NOUN - PUNCT driving VERB car NOUN or CCONJ a DET survey NOUN plane NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 The the DET Definite=Def PronType=Art 2 machine det 2 machine machine NOUN Number=Sing 4 sensor nsubj 3 or or CCONJ _ 4 sensor cc 4 sensor sensor NOUN Number=Sing root root 5 that that PRON PronType=Rel 6 does nsubj 6 does do VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 4 sensor acl:relcl 7 this this PRON Number=Sing PronType=Dem 6 does obj 8 , , PUNCT _ 6 does punct 9 as as ADP _ 15 car case 10 on on ADP _ 15 car case 11 a a DET Definite=Ind PronType=Art 15 car det 12 self self NOUN Number=Sing 14 driving compound 13 - - PUNCT _ 12 self punct 14 driving drive VERB VerbForm=Ger 15 car amod 15 car car NOUN Number=Sing 6 does obl 16 or or CCONJ _ 19 plane cc 17 a a DET Definite=Ind PronType=Art 19 plane det 18 survey survey NOUN Number=Sing 19 plane compound 19 plane plane NOUN Number=Sing 15 car conj 20 . . PUNCT _ 4 sensor punct
# verb tense, mood who what, whom to whom where when other roles by
1 do present sensor this as a driving car or a survey plane vn act-114-1 «NP V NP»: agent=Agent this=Eventuality 2 drive gerund vn nonvehicle-51.4.2-1 «NP.agent V»: agent=Agent
Example 1 The self-driving car has a spinning lidar on its roof.
det compound punct amod nsubj det amod obj case nmod:poss nmod punct root The DET self NOUN - PUNCT driving VERB car NOUN has VERB a DET spinning VERB lidar NOUN on ADP its PRON roof NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 The the DET Definite=Def PronType=Art 5 car det 2 self self NOUN Number=Sing 4 driving compound 3 - - PUNCT _ 2 self punct 4 driving drive VERB VerbForm=Ger 5 car amod 5 car car NOUN Number=Sing 6 has nsubj 6 has have VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin root root 7 a a DET Definite=Ind PronType=Art 9 lidar det 8 spinning spin VERB VerbForm=Ger 9 lidar amod 9 lidar lidar NOUN Number=Sing 6 has obj 10 on on ADP _ 12 roof case 11 its its PRON Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs 12 roof nmod:poss 12 roof roof NOUN Number=Sing 9 lidar nmod 13 . . PUNCT _ 6 has punct
# verb tense, mood who what, whom to whom where when other roles by
1 drive gerund vn nonvehicle-51.4.2-1 «NP.agent V»: agent=Agent 2 have present the driving car a spinning lidar car's roof vn birth-28.2-1 «NP V NP»: agent=Agent lidar=Patient 3 spin gerund vn roll-51.3.1 «NP.theme V»: agent=Theme
Example 2 Scientists used lidar to find old Mayan cities hidden under the jungle.
nsubj obj mark advcl amod amod obj acl case det obl punct root Scientists NOUN used VERB lidar NOUN to PART find VERB old ADJ Mayan ADJ cities NOUN hidden VERB under ADP the DET jungle NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Scientists scientist NOUN Number=Plur 2 used nsubj 2 used use VERB Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin root root 3 lidar lidar NOUN Number=Sing 2 used obj 4 to to PART _ 5 find mark 5 find find VERB VerbForm=Inf 2 used advcl 6 old old ADJ Degree=Pos 8 cities amod 7 Mayan mayan ADJ Degree=Pos 8 cities amod 8 cities city NOUN Number=Plur 5 find obj 9 hidden hide VERB Tense=Past VerbForm=Part Voice=Pass 8 cities acl 10 under under ADP _ 12 jungle case 11 the the DET Definite=Def PronType=Art 12 jungle det 12 jungle jungle NOUN Number=Sing 9 hidden obl 13 . . PUNCT _ 2 used punct
# verb tense, mood who what, whom to whom where when other roles by
1 use past Scientists lidar vn eat-39.1 «NP V NP»: agent=Agent lidar=Patient 2 find to-infinitive Scientists not said here old Mayan cities vn discover-84 «NP V NP»: agent=Agent city=Topic 3 hide participle old Mayan cities not said here the jungle vn concealment-16-1 «NP V PP.location»: agent=Agent under jungle=Location
Example 3 A lidar sensor measures how far away the wall is.
det compound nsubj advmod advmod ccomp det nsubj cop punct root A DET lidar NOUN sensor NOUN measures VERB how ADV far ADV away ADV the DET wall NOUN is AUX . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 A a DET Definite=Ind PronType=Art 3 sensor det 2 lidar lidar NOUN Number=Sing 3 sensor compound 3 sensor sensor NOUN Number=Sing 4 measures nsubj 4 measures measure VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin root root 5 how how ADV PronType=Int 6 far advmod 6 far far ADV Degree=Pos 7 away advmod 7 away away ADV _ 4 measures ccomp 8 the the DET Definite=Def PronType=Art 9 wall det 9 wall wall NOUN Number=Sing 7 away nsubj 10 is be AUX Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 7 away cop 11 . . PUNCT _ 4 measures punct
# verb tense, mood who what, whom to whom where when other roles by
1 measure present a lidar sensor vn register-54.1-2-1 «NP V NP.value»: agent=Theme 2 is present the wall away, far property tree rules
Example 4 The plane flew over the hills to make a lidar map.
det nsubj case det obl mark advcl det amod obj punct root The DET plane NOUN flew VERB over ADP the DET hills NOUN to PART make VERB a DET lidar ADJ map NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 The the DET Definite=Def PronType=Art 2 plane det 2 plane plane NOUN Number=Sing 3 flew nsubj 3 flew fly VERB Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin root root 4 over over ADP _ 6 hills case 5 the the DET Definite=Def PronType=Art 6 hills det 6 hills hill NOUN Number=Plur 3 flew obl 7 to to PART _ 8 make mark 8 make make VERB VerbForm=Inf 3 flew advcl 9 a a DET Definite=Ind PronType=Art 11 map det 10 lidar lidar ADJ Degree=Pos 11 map amod 11 map map NOUN Number=Sing 8 make obj 12 . . PUNCT _ 3 flew punct
# verb tense, mood who what, whom to whom where when other roles by
1 fly past the plane the hills vn spatial_configuration-47.6-1 «NP V PP.location»: agent=Theme over hill=Location 2 make to-infinitive the plane not said here a lidar map vn build-26.1-1 «NP.asset V NP»: agent=Asset map=Product
Example 5 Some new phones use lidar to measure a room.
det amod nsubj obj mark advcl det obj punct root Some DET new ADJ phones NOUN use VERB lidar NOUN to PART measure VERB a DET room NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Some some DET PronType=Ind 3 phones det 2 new new ADJ Degree=Pos 3 phones amod 3 phones phone NOUN Number=Plur 4 use nsubj 4 use use VERB Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin root root 5 lidar lidar NOUN Number=Sing 4 use obj 6 to to PART _ 7 measure mark 7 measure measure VERB VerbForm=Inf 4 use advcl 8 a a DET Definite=Ind PronType=Art 9 room det 9 room room NOUN Number=Sing 7 measure obj 10 . . PUNCT _ 4 use punct
# verb tense, mood who what, whom to whom where when other roles by
1 use present some new phones lidar vn eat-39.1 «NP V NP»: agent=Agent lidar=Patient 2 measure to-infinitive some new phones not said here a room vn register-54.1-2-1 «NP V NP.value»: agent=Theme room=Value
Example 6 Lidar works a bit like a bat's echo, but with light.
nsubj det obj case det nmod:poss case nmod punct cc case obl punct root Lidar NOUN works VERB a DET bit NOUN like ADP a DET bat NOUN 's PART echo NOUN , PUNCT but CCONJ with ADP light NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 Lidar lidar NOUN Number=Sing 2 works nsubj 2 works work VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin root root 3 a a DET Definite=Ind PronType=Art 4 bit det 4 bit bit NOUN Number=Sing 2 works obj 5 like like ADP _ 9 echo case 6 a a DET Definite=Ind PronType=Art 7 bat det 7 bat bat NOUN Number=Sing 9 echo nmod:poss 8 's 's PART _ 7 bat case 9 echo echo NOUN Number=Sing 4 bit nmod 10 , , PUNCT _ 13 light punct 11 but but CCONJ _ 13 light cc 12 with with ADP _ 13 light case 13 light light NOUN Number=Sing 2 works obl 14 . . PUNCT _ 2 works punct
# verb tense, mood who what, whom to whom where when other roles by
1 work present Lidar a bit like a bat's echo; with light vn knead-26.5 «NP V NP.material»: agent=Agent bit=Material
Example 7 The robot vacuum uses lidar so it doesn't bump into the sofa.
det compound nsubj obj mark nsubj aux advmod advcl case det obl punct root The DET robot NOUN vacuum NOUN uses VERB lidar NOUN so SCONJ it PRON does AUX n't PART bump VERB into ADP the DET sofa NOUN . PUNCT The words, one row each (CoNLL-U) # word lemma UPOS features head relation 1 The the DET Definite=Def PronType=Art 3 vacuum det 2 robot robot NOUN Number=Sing 3 vacuum compound 3 vacuum vacuum NOUN Number=Sing 4 uses nsubj 4 uses use VERB Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin root root 5 lidar lidar NOUN Number=Sing 4 uses obj 6 so so SCONJ _ 10 bump mark 7 it it PRON Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs 10 bump nsubj 8 does do AUX Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin 10 bump aux 9 n't not PART Polarity=Neg 10 bump advmod 10 bump bump VERB VerbForm=Inf 4 uses advcl 11 into into ADP _ 13 sofa case 12 the the DET Definite=Def PronType=Art 13 sofa det 13 sofa sofa NOUN Number=Sing 10 bump obl 14 . . PUNCT _ 4 uses punct
# verb tense, mood who what, whom to whom where when other roles by
1 use present the robot vacuum lidar vn eat-39.1 «NP V NP»: agent=Agent lidar=Patient 2 not bump present · do-support vacuum the sofa vn bump-18.4-1 «NP V PP.location»: agent=Theme into sofa=Location
Text: the school dictionary of Mova's schools (world/data/dictionary-schools/), written for Mova. Trees: Mova's own parse — the en model on the CPU, when the site is built — not checked by a teacher; they may be wrong. Frames: Mova's frames reader (prag), each meaning and example read on its own. Elamur Cosmic License.
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