Search Results for author: Georgi Karadzhov

Found 17 papers, 9 papers with code

The effect of diversity on group decision-making

1 code implementation2 Feb 2024 Georgi Karadzhov, Andreas Vlachos, Tom Stafford

We explore different aspects of cognitive diversity and its effect on the success of group deliberation.

Decision Making

Leaf: Multiple-Choice Question Generation

1 code implementation22 Jan 2022 Kristiyan Vachev, Momchil Hardalov, Georgi Karadzhov, Georgi Georgiev, Ivan Koychev, Preslav Nakov

Testing with quiz questions has proven to be an effective way to assess and improve the educational process.

Multiple-choice Question Answering +2

DeliData: A dataset for deliberation in multi-party problem solving

no code implementations11 Aug 2021 Georgi Karadzhov, Tom Stafford, Andreas Vlachos

Group deliberation enables people to collaborate and solve problems, however, it is understudied due to a lack of resources.

Problem-Solving Deliberation

SOLID: A Large-Scale Semi-Supervised Dataset for Offensive Language Identification

no code implementations Findings (ACL) 2021 Sara Rosenthal, Pepa Atanasova, Georgi Karadzhov, Marcos Zampieri, Preslav Nakov

The widespread use of offensive content in social media has led to an abundance of research in detecting language such as hate speech, cyberbullying, and cyber-aggression.

Language Identification

Automatic Fact-Checking Using Context and Discourse Information

1 code implementation4 Aug 2019 Pepa Atanasova, Preslav Nakov, Lluís Màrquez, Alberto Barrón-Cedeño, Georgi Karadzhov, Tsvetomila Mihaylova, Mitra Mohtarami, James Glass

We study the problem of automatic fact-checking, paying special attention to the impact of contextual and discourse information.

Fact Checking

Evaluating Variable-Length Multiple-Option Lists in Chatbots and Mobile Search

no code implementations25 May 2019 Pepa Atanasova, Georgi Karadzhov, Yasen Kiprov, Preslav Nakov, Fabrizio Sebastiani

While typically a user would expect a single response at any utterance, a system could also return multiple options for the user to select from, based on different system understandings of the user's intent.

Question Answering

Multi-Task Ordinal Regression for Jointly Predicting the Trustworthiness and the Leading Political Ideology of News Media

no code implementations NAACL 2019 Ramy Baly, Georgi Karadzhov, Abdelrhman Saleh, James Glass, Preslav Nakov

In the context of fake news, bias, and propaganda, we study two important but relatively under-explored problems: (i) trustworthiness estimation (on a 3-point scale) and (ii) political ideology detection (left/right bias on a 7-point scale) of entire news outlets, as opposed to evaluating individual articles.

We Built a Fake News & Click-bait Filter: What Happened Next Will Blow Your Mind!

1 code implementation10 Mar 2018 Georgi Karadzhov, Pepa Gencheva, Preslav Nakov, Ivan Koychev

So, we did this research on fake news/click-bait detection and trust us, it is totally great research, it really is!

Fact Checking in Community Forums

3 code implementations8 Mar 2018 Tsvetomila Mihaylova, Preslav Nakov, Lluis Marquez, Alberto Barron-Cedeno, Mitra Mohtarami, Georgi Karadzhov, James Glass

Community Question Answering (cQA) forums are very popular nowadays, as they represent effective means for communities around particular topics to share information.

Community Question Answering Fact Checking

Fully Automated Fact Checking Using External Sources

1 code implementation RANLP 2017 Georgi Karadzhov, Preslav Nakov, Lluis Marquez, Alberto Barron-Cedeno, Ivan Koychev

Given the constantly growing proliferation of false claims online in recent years, there has been also a growing research interest in automatically distinguishing false rumors from factually true claims.

Community Question Answering Fact Checking

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