Stack Exchange — bricks.stackexchange.com

A Stack Exchange (bricks.stackexchange.com) dataset of 3,657 users, 6,018 answer-collaboration edges, 4,667 questions, 7,316 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 bricks.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#Lego#Reputation#Stack exchange data dump

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 3,657 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

3.7K
Nodes
6K
Edges
4.50e-04
Density
73
Components
-0.2289
Assortativity
1.7%
Reciprocity
2.4K
Bridges
Most central nodes
470.01313
2810.01176
138050.01121
1320.01012
1340.01012
660.00985
7080.00957
740.00957
61740.00821
82340.00821
Content metrics

11,983 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

scoreμ 5.655 ± 6.855
min -6max 270
view countμ 1K ± 6.3K
min 0max 282.1K
answer countμ 0.611 ± 1.136
min 0max 18
comment countμ 1.171 ± 1.771
min 0max 22
7.8
Flesch–Kincaid grade
US school grade level
8.5
Automated readability index
Frequent terms
legosetsetslikebrickspartsusebrickpiecesdonmotorfindev3answerquestionwayknowquotneedpiecetechnicbuildthinktimewantnxtnewbricklinkhelpworkdifferentinstructionsnumberfoundboxgoodbuildingsurelooktrainplaterightpowermodelmotorsthanksprogramstudssoftwaredoesn
Topic clusters

Topic 0

motor
train
power
battery
track
control
remote
hub

Topic 1

answer
identify
question
help
set
piece
thank
link

Topic 2

lego
set
identify
piece
help
book
find
instruction

Topic 3

program
mindstorms
file
block
software
robot
version
project

Topic 4

plate
stud
brick
slope
tile
round
hinge
hole

Topic 5

minifigure
minifig
figure
head
fabuland
leg
torso
female

Topic 6

color
brick
glue
plastic
lego
water
abs
clean

Topic 7

gear
axle
wheel
technic
pin
tooth
hole
torque

Topic 8

star
wars
set
pattern
dark
appear
gray
torso

Topic 9

nxt
bluetooth
software
program
firmware
connect
brick
mindstorms

Topic 10

bag
set
identify
help
number
piece
lego
instruction

Topic 11

price
sell
set
lego
brick
lot
store
ebay
Show all 15 topics

Topic 12

ldd
ldraw
file
model
export
digital
format
step

Topic 13

brick
mold
logo
lego
plastic
stud
identify
mould

Topic 14

sensor
color
ultrasonic
light
value
robot
detect
object
Top hashtags
#t221
#define75
#248
#146
#330
#429
#524
#617
#713
#cotton8
#include8
#import7
#186
#396
#225
#102614
#134
#174
#2554
#287434

Computed over the full corpus.

Record

Catalog key
stackexchange-bricks-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
31,194
Nodes
3,657
Edges
6,018 (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
2011/2024 (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, 11.3 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 — bricks.stackexchange.com [Data set]. https://stackexchange-bricks-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 — bricks.stackexchange.com. 2025, stackexchange-bricks-stackexchange-com.echo.directory/.

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