ECHOExploratory Compendium of Humanity Online

Stack Exchange — reverseengineering.stackexchange.com

AnalyzedSmallgraphtextStack ExchangeAcademicEngagementKnowledge sharingQ&ASocial graphSoftware development

A Stack Exchange (reverseengineering.stackexchange.com) dataset of 5,537 users, 9,002 answer-collaboration edges, 9,681 questions, 11,045 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 reverseengineering.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#Reputation#Reverse engineering#Security#Stack exchange data dump

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

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 5,537 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

5.5K
Nodes
9K
Edges
2.94e-04
Density
213
Components
-0.1117
Assortativity
0.4%
Reciprocity
3.3K
Bridges
Most central nodes
530.01572
32150.00957
2700.00849
46450.00777
350.00668
118300.00596
136340.00524
185070.00524
1890.00524
148640.00506
Content metrics

20,726 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

scoreμ 2.964 ± 6.213
min -9max 337
view countμ 1.1K ± 6.7K
min 0max 421.8K
answer countμ 0.533 ± 0.894
min 0max 20
comment countμ 1.395 ± 2.082
min 0max 54
8.9
Flesch–Kincaid grade
US school grade level
10.1
Automated readability index
Frequent terms
codefilequotfunctiondatalikemoveaxidauseaddresstextintprogramfindbytesbinarymemoryampknowstringneedwayvaluedllbytebitwantfilesinstructionreturnquestionsizedwordpushwindowsstack0000processreverseexampledonptrsetaddfunctionsebpespoffsetmain
Topic clusters

Topic 0

mov
eax
push
dword
instruction
ptr
code
ecx

Topic 1

ollydbg
breakpoint
process
debug
debugger
windbg
thread
set

Topic 2

ida
idc
function
idapython
pro
script
address
import

Topic 3

java
android
apk
code
file
decompile
class
app

Topic 4

checksum
chip
usb
device
crc
protocol
datum
byte

Topic 5

malware
unpack
packer
upx
sample
analysis
file
pack

Topic 6

compress
datum
firmware
size
ecos
binwalk
zlib
image

Topic 7

file
executable
windows
format
binary
patch
find
version

Topic 8

dll
function
export
import
table
load
ordinal
process

Topic 9

section
elf
header
file
symbol
segment
binary
readelf

Topic 10

file
datum
byte
format
game
length
image
pixel

Topic 11

reverse
game
engineering
find
engineer
know
learn
cheat
Show all 16 topics

Topic 12

key
encryption
hash
encrypt
algorithm
decrypt
unsigned
byte

Topic 13

gdb
breakpoint
set
command
run
program
lldb
debug

Topic 14

shellcode
buffer
exception
stack
overflow
exploit
address
overwrite

Topic 15

struct
class
structure
vtable
virtual
member
pointer
offset
Top hashtags
#include1.4K
#define565
#1272
#0248
#2168
#4144
#pragma105
#388
#0x076
#869
#endif54
#0x152
#1243
#0x2039
#539
#0d36
#0x436
#ifdef32
#if30
#wqr28

Sampled: text metrics from 50K of 60K records; topic model from 20K.

Record

Catalog key
stackexchange-reverseengineering-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
59,975
Nodes
5,537
Edges
9,002 (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/download/stackexchange link checked
Hosted copy
Mirrored on echo.directory on 2026-10-09, 27.2 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 — reverseengineering.stackexchange.com [Data set]. https://stackexchange-reverseengineering-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 — reverseengineering.stackexchange.com. 2025, stackexchange-reverseengineering-stackexchange-com.echo.directory/.

BibTeX · RIS · CSL-JSON

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