| Challenge: | Existing methods for event detection (ED) rely on high-performance machine translation systems or manually aligned documents to achieve a decent performance. |
| Approach: | They propose a method that uses context-dependent translation to construct a lexical mapping between different languages and a shared syntactic order event detector for multilingual co-training. |
| Outcome: | The proposed method performs cross-lingual transfer and tackles the extremely annotation-poor scenario. |
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Cross-Lingual Event Detection via Optimized Adversarial Training (2022.naacl-main)
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| Challenge: | Recent work in this area has harnessed the language-invariant qualities of pre-trained Multi-lingual Language Models. |
| Approach: | They propose to use adversarial language adaptation to train a model to detect events in a target language. |
| Outcome: | The proposed model achieves state-of-the-art on 8 different language pairs, using 4 languages from unrelated families. |
Low-resource Cross-lingual Event Type Detection via Distant Supervision with Minimal Effort (C18-1)
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| Challenge: | Currently, few or no language processing tools or resources exist for most languages . a problem is that there is not enough available training data even in resource-rich languages if the task is complex. |
| Approach: | They propose to use a bilingual dictionary to train machine learning in a resource-poor language . they also explore adversarial training of bilingual word representations . |
| Outcome: | The proposed approach gives similar performance in event-type detection tasks. |
Retrieving Relevant Context to Align Representations for Cross-lingual Event Detection (2023.findings-acl)
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| Challenge: | Existing approaches to cross-lingual transfer learning for event detection are mixed with event-discriminative context. |
| Approach: | They propose a method where representations are augmented with additional context to bridge the gap between languages while enriching contextual information to facilitate ED. |
| Outcome: | The proposed model performs well on three languages. |
Cross-lingual Structure Transfer for Zero-resource Event Extraction (2020.lrec-1)
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| Challenge: | Existing approaches for information extraction only use name tagging . Currently, most successful cross-lingual transfer learning methods are limited to sequence labeling . |
| Approach: | They propose a share-and-transfer framework to transfer graph structures across languages . they propose to convert sentences in any language to language-universal graph structures . |
| Outcome: | The proposed framework performs comparable to state-of-the-art models on three languages without annotations. |
Transitioning Representations between Languages for Cross-lingual Event Detection via Langevin Dynamics (2023.findings-emnlp)
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| Challenge: | Existing datasets for event detection (ED) are limited to a small set of popular languages due to the high cost of data annotation. |
| Approach: | They propose a method to develop cross-lingual transfer learning models in high-resource source languages . they aim to transition the representations for target-language examples into the source-language space . |
| Outcome: | Extensive experiments over three languages demonstrate the state-of-the-art in CLTL. |
Hybrid Knowledge Transfer for Improved Cross-Lingual Event Detection via Hierarchical Sample Selection (2023.acl-long)
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| Challenge: | Recent efforts to train cross-lingual models on source language fail to take advantage of data transfer . current methods focus on learning task-specific information from syntactical features or word-label relations in target language. |
| Approach: | They propose a hybrid knowledge-transfer approach that leverages a teacher-student framework . the model is evaluated on a distinct target language for which there is no labeled data . |
| Outcome: | The proposed model achieves state-of-the-art results on 9 morphologically-diverse target languages across 3 distinct datasets. |
Cross-lingual Structure Transfer for Relation and Event Extraction (D19-1)
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| Challenge: | Existing approaches to identify complex semantic structures are difficult to train from under-annotated sources. |
| Approach: | They exploit relation- and event-relevant language-universal features to train relation or event extractors from source annotations and apply them to target languages. |
| Outcome: | The proposed approach achieves comparable performance to state-of-the-art models trained on 3,000 manually annotated mentions. |
Bridging the Gap between Native Text and Translated Text through Adversarial Learning: A Case Study on Cross-Lingual Event Extraction (2023.findings-eacl)
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| Challenge: | Recent research in cross-lingual learning has found that combining large-scale pretrained multilingual language models with machine translation can yield good performance. |
| Approach: | They propose a model architecture that jointly encodes a source language input sentence with its translation to the target language during training and takes a target language sentence with it as input during evaluation. |
| Outcome: | The proposed model architecture can integrate machine translation to improve event extraction while adding machine-translated data yields unstable performance due to representational gap. |
MINION: a Large-Scale and Diverse Dataset for Multilingual Event Detection (2022.naacl-main)
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| Challenge: | Existing methods for ED in IE and NLP focus on feature-based models to feature-driven models. |
| Approach: | They propose to use a multilingual dataset to annotate events for 8 different languages . they demonstrate the challenges and transferability of ED across languages in MINION . |
| Outcome: | a new dataset that consistently annotates events for 8 different languages is released . the new dataset will promote future research on multilingual ED . |
Entity-aware Cross-lingual Claim Detection for Automated Fact-checking (2026.findings-eacl)
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| Challenge: | Existing work on verifiable claims detection is focused on monolingual solutions . identifying and validating claims related to global concerns requires a fact-checking pipeline capable of processing claims written in multiple languages. |
| Approach: | They propose an entity-aware cross-lingual claim detection model that generalizes well to handle multilingual claims. |
| Outcome: | The proposed model shows consistent performance gains across 27 languages and robust knowledge transfer between languages seen and unseen during training. |