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birdspotter: A tool to measure social attributes of Twitter users

PyPI status PyPI version fury.io Documentation Status

birdspotter is a python package providing a toolkit to measures the social influence and botness of twitter users. It takes a twitter dump input in json or jsonl format and produces measures for:

  • Social Influence: The relative amount that one user can cause another user to adopt a behaviour, such as retweeting.
  • Botness: The amount that a user appears automated.

References:

Rohit Ram, Quyu Kong, and Marian-Andrei Rizoiu. 2021. Birdspotter: A Tool for Analyzing and Labeling Twitter Users. In Proceedings of the Fourteenth ACM International Conference on Web Search and Data Mining (WSDM ’21), March 8–12, 2021, Virtual Event, Israel. ACM, New York, NY, USA, 4 pages. https://doi.org/10.1145/3437963.3441695
Rizoiu, M.A., Graham, T., Zhang, R., Zhang, Y., Ackland, R. and Xie, L. # DebateNight: The Role and Influence of Socialbots on Twitter During the 1st 2016 US Presidential Debate. In Twelfth International AAAI Conference on Web and Social Media (ICWSM'18), 2018. https://arxiv.org/abs/1802.09808

Installation

pip3 install birdspotter

birdspotter requires a python version >=3.

Basic Usage

To use birdspotter on your own twitter dump, replace './tweets.20150430-223406.jsonl' with the path to your twitter dump './path/to/tweet/dump.json'. In this example we use the nltk twitter-sample dataset found on kaggle. It can be downloaded here. Notably the file extension needs to be changes from .json to .jsonl.
from birdspotter import BirdSpotter
bs = BirdSpotter('./tweets.20150430-223406.jsonl')
# This may take a few minutes, go grab a coffee...
labeledUsers = bs.getLabeledUsers(out='./output.csv')

After extracting the tweets, getLabeledUsers() returns a pandas dataframe with the influence and botness labels of users and writes a csv file if a path is specified i.e. ./output.csv.

birdspotter relies on the Fasttext word embeddings wiki-news-300d-1M.vec, which will automatically be downloaded if not available in the current directory (./) or a relative data folder (./data/).

Get Cascades Data

After extracting the tweets, the retweet cascades are accessible by using:

cascades = bs.getCascadesDataFrame()
This dataframe includes the expected structure of the retweet cascade as given by Rizoiu et al. (2018) via the column expected_parent in this dataframe.

Analysis

We can now check the users with the highest (and lowest) botness:

bs.featureDataframe[['screen_name', 'botness']].sort_values(by='botness', ascending=False)
user_id screen_name botness
233703296 fletchersamf 0.909293
83661026 Dawnhomes 0.903377
791998387 rnmmm_ 0.896476
889935433 hillsidepaul 0.893082
389418311 tabbycats4 0.884687
... ... ...
430023390 LooWeeeza 0.179779
2343382280 AntiLibDems 0.165497
244302832 LewMarshallsay 0.163851
258468459 emelyeppparker 0.156063
246382492 DanShatford 0.152157

We visit some of these accounts to see if their botness aligns with our intuition. On inspection, we see that Dawnhomes retweets at an exceptional rate and has a conspiratorial vibe. This seems to be automated to some extent. rnmmm_ retweet spams a single account, suggesting it is also automated. On the otherside, DanShatford seems like a real human, who tweets occasionally and has pictures of himself and friends on his profile.

In the same way we can check the users with the highest (and lowest) influence:

bs.featureDataframe[['screen_name', 'influence']].sort_values(by='influence', ascending=False)
user_id screen_name influence
43503 JamesWallis 491.000000
7076492 Glinner 487.562406
27110209 GeorgetteLock 430.000000
2384252054 djhenshall 274.724062
603915132 stephcraig_ 269.555732
... ... ...
424432213 ErikZoha 1.000000
424395065 robevansz 1.000000
424296291 TathamJoanne 1.000000
423794014 matty2992 1.000000
355044262 DWTODWFA 1.000000

Again, we visit this some accounts to verify our intuitions. Glinner is a blogger who writes long articles and shares these through her twitter account. It seems reasonable that she is influential. JamesWallis is a CEO, lecturer and writer so his influence score also seems to fit.

We can also see the interaction between botness and influence by plotting this:

import seaborn as sns
# We first get the influence in percentile form
bs.featureDataframe['influence percentile'] = bs.featureDataframe['influence'].rank(pct=True)

# We map the follower counts to colours
colors = sns.light_palette("#a1cfcf", input="hex", as_cmap=True)(bs.featureDataframe['followers_count'])

# We finally plot
g = sns.JointGrid(data=bs.featureDataframe, x="botness", y="influence percentile")
g = g.plot_joint(plt.scatter, color=colors, edgecolor="#a1cfcf")
g.plot_marginals(sns.distplot, kde=False, color="#c9245d")

scatterplot

We can see from the above plot that only a fraction of the users are considered to have influence, which is consistent with how users behave on twitter, where many tweets do not garner retweets. The marginal distribution on the top of the x-axis suggets that botness is normal, with a longer tail toward the left. Finally, the hue of the nodes show that higher influence is correlated with higher follower counts, however there are apparent exceptions.

How to train the classifier with your own botness data

birdspotter provides functionality for training the botness detector with your own training data. After extracting the tweets, we run:

bs.getBotAnnotationTemplate('./annotation_file.csv')

This produces a csv, with an empty column isbot to be annotated by a human, as below:

screen_name user_id isbot
0 007_Rebooted 232358211
1 0151Sam64 351532518
2 0192am 621237594
3 01EddyCordero 324670614
4 052Erik 2807483094
... ... ... ...
11719 zoommonk 304081311
11720 zosephh 453328842
11721 zoumrouda 384483993
11722 zwartekat 14442577
11723 zygoticdeb 21486509

Once annotated the botness detector can be trained with:

bs.trainClassifierModel('./annotation_file.csv')

Finally, to get the new botness scores we run:

bs.getBotness()

Advanced Usage

Defining your own word embeddings

birdspotter provides functionality for defining your own word embeddings. For example:

customEmbedding # A mapping such as a dict() representing word embeddings
bs = BirdSpotter('./tweets.20150430-223406.jsonl', embeddings=customEmbedding)

Embeddings can be set through several methods, refer to setWord2VecEmbeddings.

Note the default bot training data uses the wiki-news-300d-1M.vec and as such we would need to retrain the bot detector for alternative word embeddings.

Alternatives to python

Command-line usage

birdspotter can be accessed through the command-line to return a csv, with the recipe below:

birdspotter ./path/to/twitter/dump.json ./path/to/output/directory/

R usage

birdspotter functionality can be accessed in R via the reticulate package. reticulate still requires a python installation on your system and birdspotter to be installed. The following produces the same results as the standard usage.

install.packages("reticulate")
library(reticulate)
use_python(Sys.which("python3"))
birdspotter <- import("birdspotter")
bs <- birdspotter$BirdSpotter("./tweets.20150430-223406.jsonl")
bs$getLabeledDataFrame(out = './output.csv')

Acknowledgements

The development of this package was partially supported through a UTS Data Science Institute seed grant.

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