Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile
Marian-Andrei Rizoiu

@andrei_rizoiu

Senior Lecturer leading the Behavioral Data Science at UTS. I develop theoretical models for online diffusions, popularity, virality, and disinformation spread.

ID: 969463269554511877

linkhttps://www.behavioral-ds.science/ calendar_today02-03-2018 06:43:50

38 Tweet

113 Followers

1 Following

Julia Carr-Catzel (@jcarr_catzel) 's Twitter Profile Photo

Looking for some weekend listening? Check out this podcast I produced on hate raids and swatting on live video streaming platform Twitch. Marian-Andrei Rizoiu player.whooshkaa.com/episode/908475

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Are social networks responsible for the propagation of disinformation, hate speech, the proliferation of sock puppets and fake accounts? The answer is nuanced. Check it out in this interview for a 2ser podcast, featuring both the a…lnkd.in/gZgnxxCG lnkd.in/gS_i8iDt

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Check out this radio podcast The average Australian will change careers 5-7 times during the span of their lifetime. However, in the face of COVID-19, ‘non-essential’ workers are being forced to turn to different occupations in o…lnkd.in/eMmQVtgV lnkd.in/ew95WxVQ

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Fresh results on discovering coordinated disinformation via Hawkes processes. Presented at ECREA'21. behavioral-ds.ml/theme2_content…

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Violence-inciting and conspirational narratives are a modern plague of our online social environment. They polarize our society, disinform, and keep people from taking vaccines. In our paper recently accepted in the prestigious IC…lnkd.in/dbT6Y4uR lnkd.in/drQVqNRY

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Join us in fighting online misinformation! We have multiple funded PhD and PostDoc positions available for (computational) social scientists, applied statisticians and machine learning & data scientists. See Over the past several…lnkd.in/gcVjKC4B lnkd.in/gB6c_GQ9

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

It was a fantastic opportunity to present at the Australian Defence, Science, Technology and Research Summit (ADSTAR) our cutting-edge research on the resilience of information and social systems in contested environments. We use a blend of modern Artific…lnkd.in/gJ3G9uXz

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Two postdoc positions available! Online misinformation and extremist narratives impact our offline world. Join us in detecting and understanding their flow. The Behavioral Data Science at UTS is hiring two researchers to help map and fight online misinfor…lnkd.in/g3spsZzY

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

I was interviewed by SAGE Publishing Research Methods for the Doing Online Research case study collection (see lnkd.in/dA4CBTK7). I discussed using qualitative approaches and machine learning to map online problematic content. There is a strong fo…lnkd.in/dNWncCaT

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

It was an honour to be chairing the panel discussion at the University of Technology Sydney's 2022 Cross-Faculty Collaboration Scheme Launch Event. Congratulations to all this year's winners! UTS Faculty of Engineering and IT UTS Data Science Institute…lnkd.in/gNe-qHt5

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

The power of the weak links causally connected to labour mobility! It is your acquaintance and the friend-of-a-friend who will help you land your next job (not your close buddy). In this The Conversation Media Group article () I di…lnkd.in/gFUY66dz lnkd.in/g25pzNSp

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Mobile phones contain a wealth of private information, so we try to keep them secure. But is it enough? Our latest paper, published by the influential IEEE Access, shows that the Big5 psychological profiles of individuals and their relations with their pe…lnkd.in/ghM4Q4vG

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

State-backed actors are increasingly weaponizing social media to elicit reactions, push narratives and sway public opinion, known as Information Operations (IO). Detecting IO is difficult, given their covert nature and the missing data challenge. Our rece…lnkd.in/gD64vC3A

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Are you concerned about the spread of far-right ideologies and the potential for violence and terrorism they bring? So are we. That's why Rohit Ram and I have developed an innovative automatic system that can detect the ideology of…lnkd.in/gXrHHg7F lnkd.in/gWDkBvPP

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

What a great experience presenting "Interval-censored Transformer Hawkes: Detecting Information Operations using the Reaction of Social Systems" at the ACM Web Conference 2023 in Austin, Texas, the flagship conference of web research. Check out the open-…lnkd.in/grvAf59h

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

I just got back from a fantastic research visit to UC Berkeley, where Prof Hany Farid hosted me. Hany and I are closely working on detecting online misinformation in Australia and constructing countermeasures, research funded by the Australian Department…lnkd.in/gWsGT9jG

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

Social media algorithms determine what videos and posts gain traction and influence society and culture! Check out my interview in this 7NEWS Grounded YouTube podcast, together with Paul X. McCarthy and Ross Dawson: UTS Data Scienc…lnkd.in/g2grJdDG lnkd.in/gRZFuj8Z

Marian-Andrei Rizoiu (@andrei_rizoiu) 's Twitter Profile Photo

I am thrilled to share that our Information Integrity Initiative project, funded by the Australian Department of Home Affairs, reached a significant milestone. I was privileged to present our project's conclusions alongside esteemed experts Hany Farid fro…lnkd.in/gMKCQvJH