[LOGOS] Tuesday meetup

[Emiliano De Cristofaro]

Hi Logarithms,

The next LOGOS meetup is this Tuesday at 1 p.m. Ben Treves will present his
recent ASONAM paper, RURLMAN
<https://dl.acm.org/doi/10.1145/3625007.3627495>, which measures how
effective URLs are in matching users with their off-site accounts and
finding groups of users. Please see the abstract below.

I would also like to discuss:
1) Recurring meeting slot for the Spring quarter
2) Potential appetite to host a LOGOS-related conference, e.g., ICWSM
Anything else?

Cheers,
Emiliano

Abstract:

How can we leverage the URLs posted on online forums to connect forum users
> with their profiles on other platforms? Most previous studies primarily
> focus on analyzing textual content and user metadata, paying limited
> attention to URLs. In this paper, we propose RURLMAN, a modular ensemble of
> methods for leveraging user-posted URLs to connect online forum users with
> their cross-platform profiles. Our approach has two key features: (a) we
> focus on user-posted URLs as the key source of information, and (b) we
> utilize a modular stacked ensemble integrating multiple methods, including
> string-matching and two ChatGPT capabilities. We show that RURLMAN
> effectively combines the strengths of its component methods, outperforming
> each individual method with an F1 score of 92.6%. We apply RURLMAN in a
> case study comprising 1.3M URLs posted by 250K forum users across six
> online security forums and consider URLs to Twitter, Facebook, GitHub, and
> YouTube. First, we match 30% of the users who shared URLs to these
> platforms with the corresponding owners of the linked social media
> profiles. Second, we connect 8% of these users to profiles on multiple
> platforms. Finally, we identify and analyze “groups” of users based on
> their posted URLs. To facilitate further research, we will share access to
> RURLMAN and its datasets with the research community.
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