Challenge: Existing approaches to generating reviews struggle to generate justifications that are relevant to users’ decision-making process.
Approach: They propose an ‘extractive’ approach to identify review segments which justify users’ intentions and use it to distantly label massive review corpora and construct large-scale personalized recommendation justification datasets.
Outcome: The proposed model can generate convincing and diverse justifications from massive review corpora and distantly label massive review data.

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Challenge: Existing work on aspect extraction from reviews has focused on capturing aspects of user preferences.
Approach: They propose a neural model for aspect extraction from reviews . they use a k-means baseline to extract canonical sentences of various aspects from reviews.
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Explainable Recommendation with Personalized Review Retrieval and Aspect Learning (2023.acl-long)

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Challenge: Recent years have witnessed a growing interest in the development of explainable recommendation models.
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MAPLE: Enhancing Review Generation with Multi-Aspect Prompt LEarning in Explainable Recommendation (2025.acl-long)

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Challenge: Existing models that generate generic aspects do not provide personalized informative recommendations.
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Reference-Free Schema Generation for Literature Review Tables via Multi-Faceted Rewards (2026.acl-srw)

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Challenge: Literature review systems generate literature review tables by inferring schemas and values from documents.
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Leveraging Just a Few Keywords for Fine-Grained Aspect Detection Through Weakly Supervised Co-Training (D19-1)

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Challenge: Current weakly supervised approaches for learning aspect classifiers require many fine-grained aspect labels, which are labor-intensive to obtain.
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Generating Long and Informative Reviews with Aspect-Aware Coarse-to-Fine Decoding (P19-1)

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Challenge: Existing methods for review generation lack topical and syntactic characteristics of natural languages.
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Intent-aware Schema Generation and Refinement for Literature Review Tables (2025.findings-emnlp)

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Challenge: ambiguity in reference-based evaluations and lack of editing/refinement methods have slow progress on schema generation.
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End-to-End Aspect-Guided Review Summarization at Scale (2025.emnlp-industry)

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Challenge: Existing methods to generate concise product review summaries are prone to hallucination, omission of important facts, and factual errors.
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CritiqueLLM: Towards an Informative Critique Generation Model for Evaluation of Large Language Model Generation (2024.acl-long)

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Challenge: Existing models for NLP evaluations lack the ability to generate informative critiques in pointwise grading and pairwise comparison especially without references.
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Incorporating Review-missing Interactions for Generative Explainable Recommendation (2025.coling-main)

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Challenge: Existing models of explainable recommendation use user reviews as ground truths, but in practice, a large amount of users may not leave reviews after purchasing items.
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