Stack Exchange — ell.stackexchange.com

The content of ell.stackexchange.com (https://ell.stackexchange.com/), a Stack Exchange question-and-answer site, as published in the Stack Exchange Data Dump of April 2024 on the Internet Archive. The posts table holds 749,357 rows: 278,096 posts (109,291 questions, 167,780 answers, 494 tag wiki excerpts, 494 tag wikis, 35 posts of type 6 and 2 posts of type 7) and 471,261 comments, written between 23 January 2013 and 31 March 2024. Beside it are 157,033 user accounts, 831,419 votes, 234,606 badges awarded, 549 tags, 851,018 post revisions and 14,601 links between posts. Every answer keeps the question it answers and every comment the post it was written on, so the threads can be rebuilt. The Internet Archive item describes the dump as anonymised; the votes table names the voter in only 770 rows.

#English language learning#Language learning#Reputation#Stack exchange data dump

Download data package README Original files as received BibTeX JSONSimilar datasets

Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 32,431 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

32.4K
Nodes
109.7K
Edges
1.04e-04
Density
177
Components
-0.1837
Assortativity
0.2%
Reciprocity
16K
Bridges
Most central nodes
224780.02356
124300.02319
56520.01807
606960.01751
31870.01674
884270.01573
64500.01323
55770.01156
595170.01073
115690.01058
Content metrics

749,357 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

x scoreμ 1.196 ± 3.432
min -13max 416
x view countμ 3.3K ± 18K
min 4max 1.3M
x answer countμ 1.535 ± 1.114
min 0max 18
x comment countμ 1.695 ± 2.602
min 0max 50
x favorite count0.5% true
true 0.5%false 99.5%
7.8
Flesch–Kincaid grade
US school grade level
8.6
Automated readability index
Frequent terms
sentenceuselikethinkenglishquestiondonexamplemeaningcorrectmeanwordtimeverbmeansknowanswerwaypeoplepastcontextphrasewantnounpersondifferentwordspresentdoesngoodcaserightsaidsensesecondsentencesneedformdifferencebetterunderstandworkcommonthingclausesubjectyestensewrongthings
Topic clusters

Topic 0

mean
word
people
meaning
like
person
way
feel

Topic 1

eat
food
drink
water
dog
fish
fruit
mean

Topic 2

answer
question
comment
edit
post
ell
link
ask

Topic 3

family
marry
brother
friend
father
doctor
child
people

Topic 4

thank
answer
help
explanation
question
comment
lot
sentence

Topic 5

past
tense
present
perfect
simple
future
time
action

Topic 6

time
day
month
week
year
hour
event
period

Topic 7

money
credit
pay
price
buy
product
seller
payment

Topic 8

sentence
grammar
correct
question
grammatically
book
task
word

Topic 9

plural
singular
noun
possessive
countable
uncountable
use
number

Topic 10

example
case
rule
use
context
program
usage
depend

Topic 11

pronounce
pronunciation
accent
vowel
sound
british
consonant
dialect
Show all 25 topics

Topic 12

car
road
drive
driver
taxi
ride
bus
street

Topic 13

turn
door
chair
room
open
gaze
balcony
window

Topic 14

school
university
college
student
graduate
teacher
course
class

Topic 15

preposition
object
direct
verb
phrase
adverbial
sentence
indirect

Topic 16

sound
lyric
signal
ear
natural
song
hear
listen

Topic 17

think
email
believe
wonder
difference
session
ask
send

Topic 18

native
speaker
english
speak
language
non
hear
sound

Topic 19

clause
relative
subordinate
complement
pronoun
main
subject
sentence

Topic 20

book
write
grammar
author
read
error
edition
mistake

Topic 21

comma
clause
sentence
restrictive
example
separate
essential
use

Topic 22

context
mean
meaning
compose
blow
sentence
drug
quote

Topic 23

passive
participle
voice
active
past
instal
present
form

Topic 24

skype
talk
medium
executive
tell
conversation
peter
person
Top hashtags
#23.4K
#13K
#31.5K
#4721
#v603
#5310
#q261
#t1203
#6161
#780
#a79
#english77
#b57
#851
#tbm51
#verb49
#1044
#t42
#en39
#noun37

Computed over the full corpus.

Record

Catalog key
stackexchange-ell-stackexchange-com
Authors
Stack Exchange, Inc.
Year
2024
Source paper
Stack Exchange Data Dump
License
CC BY-SA 3.0 / 4.0 (by contribution date) (CC-BY-SA-3.0 AND CC-BY-SA-4.0)
Records
858,801
Nodes
32,431
Edges
109,671 (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
2013/2024 (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/details/stackexchange link checked
Original files as received
The source files, unconverted, kept for reference: mirrored on echo.directory on 2026-10-09, 226.0 MB across 1 files. Checksums in MANIFEST.json. For use, start with the data package below.
Data package
Version 1.0.0 of this dataset as an ECHO Data Package: posts (749,357 rows), users (157,033 rows), x_votes (831,419 rows), x_badges (234,606 rows), x_tags (549 rows), x_post_history (851,018 rows), x_post_links (14,601 rows).
Structure
Temporal (timestamped), Node attributes, Text, Threaded conversations

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_2024,
  title     = {Stack Exchange Data Dump},
  author    = {{Stack Exchange, Inc.}},
  year      = {2024},
  month     = {apr},
  publisher = {Internet Archive},
  url       = {https://archive.org/details/stackexchange}
}

APA

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

Stack Exchange, Inc. (2024). Stack Exchange — ell.stackexchange.com [Data set]. https://stackexchange-ell.echo.directory/

MLA

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

Stack Exchange, Inc. Stack Exchange — ell.stackexchange.com. 2024, stackexchange-ell.echo.directory/.

BibTeX · RIS · CSL-JSON

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