Slavic Natural Language Processing
co-located with EACL 2027

The 11th Biennial Workshop on Slavic NLP with Shared Tasks on Persuasion Techniques, Disinformation Detection and Classification, and PolEval.

This website is dedicated to details about shared tasks at SlavicNLP 2027 Workshop.

About the Workshop

Slavic languages play a crucial role in Natural Language Processing (NLP) due to their diverse cultural heritage and wide use — over 400M speakers worldwide. Slavic NLP 2027 addresses NLP tasks in urgent need of attention, including persuasion techniques detection, disinformation detection, and PolEval - Polish Evaluation Campaign with four different shared tasks.

The workshop will be held in hybrid form, both in person and online.

More details about the workshop here: https://bsnlp.cs.helsinki.fi.

Shared Tasks at Slavic NLP 2027

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Open for participation

Persuasion Techniques Detection & Classification (2nd edition)

Detection and classification of persuasion techniques at the sentence level in Bulgarian, Polish and Russian, covering parliamentary debates and disinformation-related social media posts, using a taxonomy of 25 persuasion techniques.

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Open for participation

Disinformation Detection

Binary classification of texts as disinformation vs. non-disinformation in Polish, Slovak and Russian, plus English data.

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Open for participation

PolEval

This edition of Slavic NLP will feature the PolEval campaign, organised independently. PolEval is a long-running Polish language evaluation campaign, including e.g, a task on recognition and classification of document. We will announce the winners of the PolEval and winners will present their system papers at SlavicNLP. More details on PolEval website.

Task details →

News

Recent announcements
Date Announcement
2026-10-02 The SlavicNLP Workshop has been accepted at EACL 2027 in Athens.
2026-09-20 Website launched with details on the three Slavic NLP 2027 shared tasks: Persuasion Techniques, Disinformation Detection, and PolEval.

Sponsorship

Slavic NLP 2027 is sponsored by SIGSLAV — the ACL Special Interest Group on NLP for Slavic Languages.