ECHOExploratory Compendium of Humanity Online

Stack Exchange — substrate.stackexchange.com

AnalyzedSmallgraphtextStack ExchangeAcademicEngagementKnowledge sharingQ&ASocial graphSoftware development

A Stack Exchange (substrate.stackexchange.com) dataset of 1,304 users, 3,681 answer-collaboration edges, 4,891 questions, 5,362 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 substrate.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..

#Blockchain#Expertise network#Reputation#Stack exchange data dump#Substrate

Cite this dataset at stackexchange-substrate-stackexchange-com.echo.directory

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 1,304 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

1.3K
Nodes
3.7K
Edges
2.17e-03
Density
18
Components
-0.1245
Assortativity
1.7%
Reciprocity
560
Bridges
Most central nodes
1390.02993
3770.02916
28440.02763
2980.02456
5550.02149
27220.01919
850.01919
1720.01765
23720.01765
1160.01688
Content metrics

10,253 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

scoreμ 2.229 ± 2.482
min -4max 44
view countμ 64.963 ± 347.67
min 0max 28.7K
answer countavg 0.52 / 8
0std 0.738
comment countμ 0.913 ± 1.613
min 0max 18
9.3
Flesch–Kincaid grade
US school grade level
11.6
Automated readability index
Frequent terms
quotruntimepalleterrorchainnodesubstratepolkadotuseblocktypeparachaincontractletstoragecodelikepubapineednewampaccountversionconfigrpccargodatawantdefaultselftransactionaccountidtemplateconstvaluebuildexample2022functionwayinkstdrunsrcextrinsickeybalancewasmissue
Topic clusters

Topic 0

thank
answer
question
wasm
runtime
issue
code
try

Topic 1

parachain
relaychain
chain
relay
collator
block
rococo
tokio

Topic 2

validator
block
stake
grandpa
babe
era
nominator
reward

Topic 3

contract
ink
smart
feature
test
self
pub
error

Topic 4

benchmark
weight
storage
map
value
read
storagemap
key

Topic 5

xcm
asset
parachain
interior
message
parent
multilocation
chain

Topic 6

node
peer
port
connect
bootnode
run
connection
local

Topic 7

polkadot
const
api
wsprovider
await
polkadotjs
new
keyring

Topic 8

substrate
template
node
build
run
version
error
docker

Topic 9

compile
build
cargo
unknown
target
apple
nightly
toolchain

Topic 10

balance
account
pallet
asset
deposit
treasury
fund
token

Topic 11

rpc
method
custom
api
curl
type
node
client
Show all 21 topics

Topic 12

pallet
asset
custom
use
macro
test
code
add

Topic 13

vote
proposal
token
democracy
referendum
voting
pallet
nft

Topic 14

sign
signature
key
public
const
payload
private
transaction

Topic 15

struct
pub
trait
type
typeinfo
implement
maxencodedlen
decode

Topic 16

offchain
worker
ocw
datum
storage
chain
store
key

Topic 17

decode
byte
scale
encode
datum
compact
encoding
hash

Topic 18

transaction
pool
txpool
queue
nonce
tokio
extrinsic
worker

Topic 19

pallet
type
pub
trait
config
event
use
runtime

Topic 20

random
event
block
timestamp
time
number
storage
generate
Top hashtags
#0434
#7c4ac358131
#173
#issuecomment49
#240
#948fbd2f36
#method30
#324
#webassembly24
#10737919
#diff19
#how17
#8733514
#fc3fd07314
#15112
#18712
#3212
#412
#10737811
#19911

Computed over the full corpus.

Record

Catalog key
stackexchange-substrate-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
25,100
Nodes
1,304
Edges
3,681 (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
2022/2024 (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, 8.5 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 — substrate.stackexchange.com [Data set]. https://stackexchange-substrate-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 — substrate.stackexchange.com. 2025, stackexchange-substrate-stackexchange-com.echo.directory/.

BibTeX · RIS · CSL-JSON

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