Stack Exchange — languagelearning.stackexchange.com

A Stack Exchange (languagelearning.stackexchange.com) dataset of 1,009 users, 1,650 answer-collaboration edges, 1,396 questions, 2,140 answers, collected by Stack Exchange, Inc. via the annual Stack Exchange Data Dump. Each record contains user nodes (reputation, badge counts, vote history), directed weighted edges (answerer→asker, weight=answer score, count=interactions, accepted=bool), post text, tag distribution. User collaboration network from languagelearning.stackexchange.com — directed weighted graph where edges represent knowledge-sharing relationships (A answered B's question), with edge weight reflecting answer quality. Enables prestige hierarchy, community detection, and expertise flow analysis.. Suitable for expertise network analysis, reputation systems, community detection, knowledge flow, PageRank-based authority ranking, Q&A platform dynamics..

#Expertise network#Language learning#Reputation#Stack exchange data dump

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 1,009 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

1K
Nodes
1.6K
Edges
1.62e-03
Density
40
Components
-0.1748
Assortativity
4.0%
Reciprocity
593
Bridges
Most central nodes
8000.0625
49390.04762
130.04067
910.0377
850.03472
27950.03175
3040.02976
1130.02579
21880.02083
21670.01885
Content metrics

3,536 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

scoreμ 4.69 ± 5.46
min -4max 74
view countμ 285.683 ± 2.3K
min 0max 101.1K
answer countavg 0.61 / 10
0std 1.1610
comment countμ 1.339 ± 2.061
min 0max 17
9.5
Flesch–Kincaid grade
US school grade level
10.6
Automated readability index
Frequent terms
languagelearningenglishlearnlanguageswordsquotquestionuselikenativewordknowtimegrammardonvocabularychinesereadinggermandifferentexamplelevelfindpeopleanswerwayspanishgoodthinkneedreadspeakersspeakinghelpunderstandwantspeakfrenchpronunciationnewwritingstudyteachingquestionsbettercoursespeakerbookjapanese
Topic clusters

Topic 0

card
anki
deck
review
create
field
new
note

Topic 1

hebrew
modern
biblical
aramaic
ancient
transliteration
bible
pronunciation

Topic 2

danish
norwegian
swedish
icelandic
norway
nynorsk
finnish
bokmål

Topic 3

german
dutch
germany
swiss
level
hour
texas
goethe

Topic 4

russian
czech
hungarian
slavic
interslavic
declension
croatian
book

Topic 5

grammar
book
exercise
english
rule
cambridge
student
edition

Topic 6

arabic
dialect
msa
levantine
egyptian
gulf
diacritic
dictionary

Topic 7

answer
question
post
comment
nice
ask
great
bullet

Topic 8

word
read
vocabulary
try
new
time
text
use

Topic 9

fluency
proficiency
examiner
ielts
test
certification
webcape
level

Topic 10

child
adult
bilingual
age
language
period
baby
critical

Topic 11

sound
pronounce
pronunciation
consonant
vowel
word
phonetic
letter
Show all 74 topics

Topic 12

gender
noun
feminine
masculine
het
grammatical
neuter
form

Topic 13

welcome
stack
exchange
learning
question
site
answer
topic

Topic 14

greek
cyrillic
yandex
russian
translator
alphabet
tatar
letter

Topic 15

reader
grade
reading
extensive
book
level
series
title

Topic 16

vocabulary
word
remember
memorize
context
retain
use
effective

Topic 17

cefr
descriptor
level
scale
framework
european
sign
europe

Topic 18

flashcard
flash
card
cloze
box
image
digital
use

Topic 19

subtitle
movie
watch
dub
understand
audio
caption
original

Topic 20

spanish
french
spain
español
learn
course
year
speak

Topic 21

ipa
phonetic
transcription
alphabet
symbol
pronunciation
system
sound

Topic 22

hindi
sanskrit
nepali
devanagari
script
india
marathi
konkani

Topic 23

accent
american
dialect
coach
british
english
irish
merge

Topic 24

korean
hanja
korea
japanese
month
hangul
learn
day

Topic 25

esperanto
swahili
propaedeutic
principle
international
language
learn
percent

Topic 26

video
youtube
resource
caption
link
online
auto
closed

Topic 27

duolingo
app
skill
kids
crown
course
indonesian
decay

Topic 28

chinese
university
mandarin
dashan
particle
isbn
separable
press

Topic 29

dictionary
online
definition
spanish
word
file
paper
look

Topic 30

improve
practice
english
listening
oral
skill
american
feedback

Topic 31

welcome
learning
language
experienced
heritage
answer
expand
krakenkranklassenkasse

Topic 32

native
non
speaker
communicate
people
speak
datum
world

Topic 33

study
heisig
learning
toggl
method
tandem
habit
psychology

Topic 34

method
direct
teaching
learner
target
disadvantage
translation
advantage

Topic 35

book
recommendation
physical
look
publisher
skim
available
resource

Topic 36

thank
edit
update
answer
question
upvote
insight
reply

Topic 37

exchange
partner
pay
free
contact
gaelic
membership
member

Topic 38

character
chinese
kanji
japanese
hanzi
stroke
order
radical

Topic 39

repetition
spaced
srs
algorithm
anki
retrieval
supermemo
revise

Topic 40

sign
asl
deaf
american
language
bisindo
online
handshape

Topic 41

distance
linguistic
levenshtein
comparison
language
metric
calculate
close

Topic 42

hsk
exam
chinese
cefr
test
hanban
level
pass

Topic 43

journal
cite
scientific
personal
peer
reference
publish
answer

Topic 44

edit
comment
answer
delete
question
detail
add
remove

Topic 45

thank
reply
dear
brilliant
chris
christopher
husband
ring

Topic 46

effect
second
detrimental
language
influence
acquisition
psychological
age

Topic 47

relate
teaching
learning
question
language
vote
balance
reopen

Topic 48

speaker
country
speak
million
number
spanish
people
identity

Topic 49

day
burnout
week
minute
accord
habit
study
research

Topic 50

minimal
pair
georgian
roll
bin
gabriel
pin
resource

Topic 51

literacy
trace
skill
writing
write
reading
dash
teach

Topic 52

pona
toki
memrise
system
app
writing
course
abjad

Topic 53

vote
question
topic
close
specific
opinion
broad
narrow

Topic 54

passive
listening
active
listen
skill
receptive
learning
radio

Topic 55

portuguese
spanish
spain
european
portugal
mexico
brazilian
difference

Topic 56

parallel
simultaneously
similar
relate
technique
differentiate
learn
mix

Topic 57

immersion
culture
immerse
language
conversant
average
study
help

Topic 58

book
conjugation
criterion
key
verb
grammar
exercise
match

Topic 59

google
translate
translation
snippet
kazakh
box
text
service

Topic 60

poetry
poem
song
lyric
rhyme
memorize
help
amp

Topic 61

mongolian
mongolia
sydney
tutor
lesson
speaker
telegram
access

Topic 62

factor
acquisition
approach
student
target
learner
external
task

Topic 63

opinion
question
objective
base
rephrase
subjective
duplicate
answer

Topic 64

definition
word
meaning
simple
dictionary
unknown
understand
look

Topic 65

time
day
efficiency
practice
date
book
etc
meditation

Topic 66

interview
job
phase
language
minute
speak
cycle
conversation

Topic 67

kanji
hiragana
radical
character
radicals
row
kana
katakana

Topic 68

keyboard
layout
windows
arabic
qwerty
key
hebrew
standard

Topic 69

fluent
native
fluency
speaker
intelligibility
english
speak
country

Topic 70

app
malayalam
mobile
ling
walk
resource
effective
custom

Topic 71

tag
primarily
focus
question
multiple
instead
long
turkic

Topic 72

preposition
adverb
adposition
declension
clause
adjective
verb
memorisation

Topic 73

add
link
thank
accept
source
research
resource
wikipedia
Top hashtags
#212
#19
#43
#32
#392
#72
#912
#932
#background2
#danish2
#decay2
#reverse2
#v2
#101
#131
#151
#1501
#167811
#2541
#362632731

Computed over the full corpus.

Record

Catalog key
stackexchange-languagelearning-stackexchange-com
Authors
Stack Exchange, Inc.
Year
2025
Source paper
Stack Exchange Data Dump
License
CC BY-SA 2.5 / 3.0 / 4.0 (by post date) (CC-BY-SA-2.5 AND CC-BY-SA-3.0 AND CC-BY-SA-4.0)
Records
10,196
Nodes
1,009
Edges
1,650 (directed)
Nodes are
user (Stack Exchange account)
Edges are
answer collaboration (A answered B's question)
Attributes
nodes have attributes; edges have attributes
Text corpus
question titles, post bodies, comment text, tag names
Languages
en
Collected
2016/2024 (2010s, 2020s)
Tasks
From the graph: link prediction, community detection
Region
Global (inferred: the platform is used worldwide)

Provenance

Originally published at
https://archive.org/download/stackexchange link checked
Hosted copy
Mirrored on echo.directory on 2026-10-09, 4.8 MB across 1 files. Checksums in MANIFEST.json.

How to cite

BibTeX

@misc{echo2026,
  title  = {ECHO: Exploratory Compendium of Humanity Online},
  author = {Switzer, Braden and Zafarani, Reza},
  year   = {2026},
  url    = {https://echo.directory},
  note   = {Syracuse University}
}

@misc{stackexchange_2025,
  title     = {Stack Exchange Data Dump},
  author    = {{Stack Exchange, Inc.}},
  year      = {2025},
  publisher = {Internet Archive},
  url       = {https://archive.org/download/stackexchange}
}

APA

Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory

Stack Exchange, Inc. (2025). Stack Exchange — languagelearning.stackexchange.com [Data set]. https://stackexchange-languagelearning-stackexchange-com.echo.directory/

MLA

Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.

Stack Exchange, Inc. Stack Exchange — languagelearning.stackexchange.com. 2025, stackexchange-languagelearning-stackexchange-com.echo.directory/.

BibTeX · RIS · CSL-JSON

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