Topic-Guided Coherence Modeling for Sentence Ordering by Preserving Global and Local Information (D19-1)
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| Challenge: | Existing methods for sentence ordering are based on pairwise strategies. |
| Approach: | They propose a topic-guided coherence modeling (TGCM) for sentence ordering that utilizes sentence vectors in a permutation-invariant manner. |
| Outcome: | The proposed model outperforms state-of-the-art models from various perspectives. |
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| Challenge: | Recent sentence ordering studies can be classified into 2 categories: pair-wise ranking-based and sequence generation-based methods. |
| Approach: | They propose a sentence ordering method by plugging a coherence verifier into ranking-based and sequence generation-based methods. |
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Improving Long Document Topic Segmentation Models With Enhanced Coherence Modeling (2023.emnlp-main)
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| Challenge: | Recent supervised neural models have greatly promoted the development of topic segmentation, but the deeper relationship between coherence and topic segmenting is underexplored. |
| Approach: | They propose to use topic-aware Sentence Structure Prediction and Contrastive Semantic Similarity Learning to capture coherence from logical structure and semantic similarity perspectives to further improve topic segmentation performance. |
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Coherence-Aware Neural Topic Modeling (D18-1)
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| Challenge: | Topic models are evaluated for their ability to describe documents well (i.e. low perplexity) topic coherence is not optimized for and is only evaluated after training. |
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Evaluating Text Coherence at Sentence and Paragraph Levels (2020.lrec-1)
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| Challenge: | Existing text ordering models have been used to test coherence in NLP for a long time. |
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A Cross-Domain Transferable Neural Coherence Model (P19-1)
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Peng Xu, Hamidreza Saghir, Jin Sung Kang, Teng Long, Avishek Joey Bose, Yanshuai Cao, Jackie Chi Kit Cheung
| Challenge: | Existing coherence models do not generalize to unseen categories of text . previous work advocates for generative models for cross-domain generalization . |
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Discourse Relation-Enhanced Neural Coherence Modeling (2025.acl-long)
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| Challenge: | Existing work on coherence modeling has focused on integrating entity-based models. |
| Approach: | They propose a model that integrates text- and relation-based features for coherence assessment using position-aware attention and a visible matrix. |
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BERT-enhanced Relational Sentence Ordering Network (2020.emnlp-main)
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| Challenge: | Existing approaches to improve coherence modeling for paragraphs have been developed. |
| Approach: | They propose a BERT-enhanced Relational Sentence Ordering Network to capture better dependency relationship among sentences and exploit it with a deep relational module. |
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A Unified Neural Coherence Model (D19-1)
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| Challenge: | Existing models for coherence modeling fail on harder tasks with more realistic application scenarios. |
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| Outcome: | The proposed model outperforms existing models on local and global discrimination tasks and outperformed existing models by a good margin. |
HiCOT: Improving Neural Topic Models via Optimal Transport and Contrastive Learning (2025.findings-acl)
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| Challenge: | Recent advances in neural topic models (NTMs) have improved topic quality but still face challenges: weak document-topic alignment, high inference costs due to large pretrained language models, and limited modeling of hierarchical topic structures. |
| Approach: | They propose a framework that integrates hierarchical clustering and contrastive learning to refine document-topic relationships using compact PLM-based embeddings. |
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Deep Attentive Sentence Ordering Network (D18-1)
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| Challenge: | Existing methods for sentence ordering tasks rely on linguistic knowledge and are domain specific. |
| Approach: | They propose a deep attentive sentence ordering network which integrates self-attention mechanism with LSTMs in the encoding of input sentences. |
| Outcome: | The proposed model outperforms the state-of-the-art models on Sentence Ordering and Order Discrimination tasks and is shown to be highly efficient. |