United States

Coreference Resolution is the process of detecting a cluster of mentions that point to the same entity. This paper presents the Coreference Resolution system for Hindi based on Bi-GRU-CNN and Biaffine classifier with IndicBERT and MuRIL BERT. The motivation behind this work is the scarcity of resources available for Hindi and to diminish the dependency on the external parser and hand-crafted feature used by the previous Coreference resolution model in the Hindi language. The coreference annotated dataset is used for the Hindi language, containing 3.6K verbalizations and 78K tokens from the news article domain. The experimental results received are promising in the form of Precision, Recall, and F-measure.

EMNLP 2024

DeepHCoref: A Deep Neural Coreference Resolution for Hindi Text

mention detection

natural language processing

coreference resolution

[![](https://assets.underline.io/uploads/markdown_image/1/image/81a3c0317d24f663b49b996875024d45.png)](https://aclanthology.org/volumes/2022.coling-1/)



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COLING 2022

COLING, the International Conference on Computational Linguistics, is one of the premier conferences for the natural language processing and computational linguistics.

## Welcome to EMNLP 2024! 
We are excited to welcome you to one of the most prominent conferences in the field of Natural Language Processing. This year, EMNLP 2024 is being held in a hybrid format,
offering both virtual and in-person participation in beautiful Miami. Due to a record-breaking number of submissions, we've expanded the total number of accepted papers to accommodate more cutting-edge research from around the globe.
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Findings of the Third Shared Task on Multilingual Coreference Resolution

We present CorPipe 24, the winning entry to the CRAC 2024 Shared Task on Multilingual Coreference Resolution. In this third iteration of the shared task, a novel objective is to also predict empty nodes needed for zero coreference mentions (while the empty nodes were given on input in previous years). This way, coreference resolution can be performed on raw text. We evaluate two model variants: a~two-stage approach (where the empty nodes are predicted first using a pretrained encoder model and then processed together with sentence words by another pretrained model) and a single-stage approach (where a single pretrained encoder model generates empty nodes, coreference mentions, and coreference links jointly). In both settings, CorPipe surpasses other participants by a large margin of 3.9 and 2.8 percent points, respectively. The source code and the trained model are available at https://github.com/ufal/crac2024-corpipe.

CorPipe at CRAC 2024: Predicting Zero Mentions from Raw Text

End-to-end Multilingual Coreference Resolution with Headword Mention Representation

Multilingual coreference resolution as text generation

It is increasingly common to evaluate the same coreference resolution (CR) model on multiple datasets. Do these multi-dataset evaluations allow us to draw meaningful conclusions about model generalization? Or, do they rather reflect the idiosyncrasies of a particular experimental setup (e.g., the specific datasets used)? To study this, we view evaluation through the lens of measurement modeling, a framework commonly used in the social sciences for analyzing the validity of measurements. By taking this perspective, we show how multi-dataset evaluations risk conflating different factors concerning what, precisely, is being measured. This in turn makes it difficult to draw more generalizable conclusions from these evaluations. For instance, we show that across seven datasets, measurements intended to reflect CR model generalization are often correlated with differences in both how coreference is defined and how it is operationalized; this limits our ability to draw conclusions regarding the ability of CR models to generalize across any singular dimension. We believe the measurement modeling framework provides the needed vocabulary for discussing challenges surrounding what is actually being measured by CR evaluations.

Challenges to Evaluating the Generalization of Coreference Resolution Models: A Measurement Modeling Perspective

“Any Other Thoughts, Hedgehog?” Linking Deliberation Chains in Collaborative Dialogues

MMAR: Multilingual and Multimodal Anaphora Resolution in Instructional Videos

Separating disinformation from fact on the web has long challenged both the search and the reasoning powers of humans. We show that the reasoning power of large language models (LLMs) and the retrieval power of modern search engines can be combined to automate this process and explainably verify claims. We integrate LLMs and search under a multi-hop evidence pursuit strategy. This strategy generates an initial question based on an input claim using a sequence to sequence model, searches and formulates an answer to the question, and iteratively generates follow-up questions to pursue the evidence that is missing using an LLM. We demonstrate our system on the FEVER 2024 (AVeriTeC) shared task. Compared to a strategy of generating all the questions at once, our method obtains .045 higher label accuracy and .155 higher AVeriTeC score (evaluating the adequacy of the evidence). Through ablations, we show the importance of various design choices, such as the question generation method, medium-sized context, reasoning with one document at a time, adding metadata, paraphrasing, reducing the problem to two classes, and reconsidering the final verdict. Our submitted system achieves .510 AVeriTeC score on the dev set and .477 AVeriTec score on the test set.

Multi-hop Evidence Pursuit Meets the Web: Team Papelo at FEVER 2024

Fact-checking using evidences is the preferred way to tackle the issue of misinformation in the society. The democratization of informa- tion through social media has accelerated the spread of information, allowing misinforma- tion to reach and influence a vast audience. The significant impact of these falsehoods on soci- ety and public opinion underscores the need for automated approaches to identify and com- bat this phenomenon. This paper describes the participation of team IKR3-UNIMIB in AVeriTeC (Automated Verification of Textual Claims) 2024 shared task. We proposed a meth- ods to retrieve evidence in the question and answer format and predict the veracity of a claim. As part of the AVeriTeC shared task, our method combines similarity-based ColBERT re-ranker with traditional keyword search us- ing BM25. Additionally, a recent promising approach, Chain of RAG (CoRAG) is intro- duced to generate question and answer pairs (QAs) to evaluate performance on this specific dataset. We explore whether generating ques- tions from claims or answers produces more effective QA pairs for veracity prediction. Ad- ditionally, we try to generate questions from the claim rather than from evidence (opposite the AVeriTeC dataset paper) to generate effective QA pairs for veracity prediction. Our method achieved an AVeriTeC Score of 0.18 (more than baseline) on the test dataset, demonstrating its potential in automated fact-checking.

Retrieving Semantics for Fact-Checking: A Comparative Approach using CQ (Claim to Question) & AQ (Answer to Question)

In my presentation, I will introduce our system for the averitec shared task held in this FEVER workshop. The target of this shared task is to determine whether a given claim contains only correct information or includes false content. Furthermore, the supporting evidence for this judgment must be retrieved from the web. When tackling this task, there are two main approaches to consider: one that focuses on improving the accuracy of information retrieval and another that focuses on enhancing the final judgment accuracy. We decided to challenge improvement of the information retrieval accuracy. Our system RAG-fusion based fact-checking system took the 8th place on the leaderboard of the common task by improving the accuracy of information retrieval, based on the RAG-fusion method.

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