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Agentic Detection of Online Conspiracies

An agent that queries social context outperforms text-only models at telling conspiracy endorsement from satire, criticism, or concern — on a huge Hebrew tweet archive.

arXiv:2609.302505 min readScore 84/100 · editorial triage · not peer reviewPaper hub2026-W40

The 30-second take

  • What: The authors treat conspiracy detection as inferring illocutionary force with an agent that issues social-context queries, and on a manually annotated adversarial set it beats text-only classifiers and a non-agentic model given the same contexts.
  • Abundance angle: today, reading speaker intent in conspiracy-adjacent talk is scarce expert (and language-specific) labor. Adaptive, tool-using interpretation could become a cheaper default moderation or research layer if it holds beyond this Hebrew corpus (near-term software; validation and abuse risk still decide access).
  • Who should care: Trust-and-safety and computational-social-science teams, especially those working outside English, and anyone who has watched keyword filters flatten satire into “conspiracy.”

What the paper actually did

Conspiratorial talk online is not always a slogan with a stable keyword. The same surface text can endorse a theory, raise a legitimate concern, criticize it, satirize it, or mock it. The hard part, the authors argue, is inferring the speaker’s intent — the utterance’s illocutionary force — not only spotting conspiracy-related claims.

They say relevant social contexts can do that work and propose an agentic framework with tools for social queries. They demonstrate it on a dataset of Hebrew tweets covering an estimated 80–90% of public Hebrew tweets from late 2018 to early 2023, spanning several election cycles, the COVID years, and vaccination campaigns — coverage they say helps recover different social contexts.

On a manually annotated adversarial dataset, context-aware workflows beat text-only classification, and the agentic framework beats other settings, including a non-agentic model that sees the same contexts the agent can access. They analyze errors and token-economy tradeoffs. The conclusion they draw is that conspiracy detection is a socially embedded interpretation task: classification depends on access to context and on adaptive, per-case tool use that asks only for evidence needed at the current reasoning step.

What makes this disruptive

The scarce capability is intent-sensitive reading of conspiracy-adjacent speech, especially in a language that is not the usual English benchmark. Keyword and claim classifiers collapse satire and worry into the same bin.

The paper’s move is agentic tool use over a nearly complete multi-year national tweet stream, plus a comparison that isolates agency: same contexts, worse performance if the model cannot choose queries. That is a sharper claim than “add more context features.”

It is still one language, one platform, one adversarial test set. Treat the win as a methods signal for socially situated classification, not a finished global conspiracy detector.

Why it matters (outside the lab)

Abundance lens: careful interpretation of political and health talk is still an elite human (or English-centric model) service. If tool-using agents can recover intent from social context, more of that reading can sit in ordinary research and safety stacks — a cheaper default, with serious misuse risk if deployed as blunt takedown software.

Near-term, the preprint updates how teams think about context versus adaptive querying. Medium-term, other languages, platforms, and independent annotation decide whether this becomes default tooling.

No calendar. Better classifiers do not automatically make healthier public spheres.

Limitations & open questions

Preprint; we have not rerun the agent or re-annotated the adversarial set. Hebrew Twitter 2018–2023 is unusually complete in their description but is not the live, multilingual, multi-platform web. Manual adversarial labels can encode the annotators’ theory of “endorsement.”

The abstract does not list the tools, the base model, or exact metrics. Token-economy analysis is mentioned, not quantified here. An agent that queries social context can also leak or over-collect social data.

Abundance is not automatic, and a stronger detector can be used to suppress legitimate concern as easily as to study discourse.

Explain ladder

Default article depth

A tweet that mentions a vaccine rumor might be sharing it, mocking it, or worrying out loud. Bag-of-words models often cannot tell. This paper says you need the social scene — who talks to whom, what else was happening — and an agent that asks for the next relevant fact instead of dumping the whole graph into one prompt.

They built that agent on an archive they estimate covers most public Hebrew tweets across elections and the pandemic. On a hard, human-labeled test, giving the model context helped, but letting it choose queries helped more than handing it the same context passively.

If you moderate or study conspiracies, the design lesson is adaptive evidence gathering, not a bigger keyword list.

Key terms

Illocutionary force
What a speaker is doing with an utterance — endorsing, questioning, mocking — not only what the sentence literally says.
Agentic framework
A model that can call tools (here social queries) step by step instead of classifying from a fixed text window.
Democratization of abundance
Editorial lens: scarce interpretive labor can become cheaper default software if methods hold up — without a promised year, and with misuse risk.

Sources

Related explainers

Same topic and week first — keep exploring the scarcity → abundance map.

Editorial explainer · not peer review · always read the primary paper.

Byline: Disruptive Concepts editorial.