| Challenge: | Existing news recommender systems use news stories that users have read in the past to infer their interests and preferences. |
| Approach: | They propose a two-tower architecture that learns news representation through a news item tower and users’ representations through s query towers. |
| Outcome: | The proposed architecture achieves a balance between accuracy and diversity on two news datasets. |
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Neural News Recommendation with Heterogeneous User Behavior (D19-1)
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| Challenge: | Existing news recommendation methods rely on news click history to model user interest, but data sparsity is a problem . other kinds of user behaviors such as webpage browsing and search queries can provide useful clues of users’ news reading interest. |
| Approach: | They propose to exploit heterogeneous user behaviors to learn news representations from their titles via CNN networks and apply attention networks to select important words. |
| Outcome: | The proposed approach exploits heterogeneous user behaviors on a real-world dataset. |
SentiRec: Sentiment Diversity-aware Neural News Recommendation (2020.aacl-main)
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| Challenge: | Existing news recommendation methods rank candidate news based on relevance to users’ historical browsed news, but if browsed data is dominated by certain kinds of sentiment, the model may recommend news with the same sentiment. |
| Approach: | They propose a sentiment diversity-aware neural news recommendation approach which can recommend news with more diverse sentiment without performance sacrifices. |
| Outcome: | The proposed approach can improve the sentiment diversity in news recommendation without performance sacrifice. |
Neural News Recommendation with Collaborative News Encoding and Structural User Encoding (2021.findings-emnlp)
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| Challenge: | Existing news recommendation models encode news title and content separately without leveraging the structural correlation of user browsing histories to reflect user interests explicitly. |
| Approach: | They propose a news recommendation framework consisting of collaborative news encoding and structural user encode to enhance news and user representation learning. |
| Outcome: | The proposed framework improves the performance of news recommendation on the MIND dataset. |
Fine-grained Interest Matching for Neural News Recommendation (2020.acl-main)
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| Challenge: | Existing studies represent each user as a single vector and then match the candidate news vector, which may lose fine-grained information for recommendation. |
| Approach: | They propose a Fine-grained interest matching method for neural news recommendation based on multi-level representations and fine-grain matching between segment pairs of each browsed news and the candidate news at each semantic level. |
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Neural News Recommendation with Topic-Aware News Representation (P19-1)
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| Challenge: | Existing methods for learning accurate news representations do not consider topic information in news. |
| Approach: | They propose a neural news recommendation approach with topic-aware news representations using CNN networks and attention networks to select important words. |
| Outcome: | The proposed approach is based on a topic-aware news encoder and user encoder. |
Neural News Recommendation with Multi-Head Self-Attention (D19-1)
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| Challenge: | Precisely modeling news and users is critical for news recommendation, and capturing the contexts of words and news is important to learn news and user representations. |
| Approach: | They propose a neural news recommendation approach with multi-head self-attention to model the interactions between words and news and use multi-headed self- attention to capture relatedness between the news. |
| Outcome: | The proposed approach can learn representations from news titles by modeling the interactions between words and users and capture relatedness between the news. |
Neural News Recommendation with Long- and Short-term User Representations (P19-1)
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| Challenge: | Existing news recommendation methods learn a single representation for each user, which may be insufficient. |
| Approach: | They propose a neural news recommendation approach which can learn both long- and short-term user representations by using a news encoder and a user encoder. |
| Outcome: | The proposed approach can learn both long- and short-term user representations on a real-world dataset. |
Train Once, Use Flexibly: A Modular Framework for Multi-Aspect Neural News Recommendation (2024.findings-emnlp)
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| Challenge: | Recent neural news recommenders (NNRs) extend content-based recommendation by aligning additional aspects between candidate news and user history or diversifying recommendations w.r.t. these aspects require retraining of the model with a modified objective. |
| Approach: | They introduce a modular framework for multi-aspect neural news recommendation that supports on-the-fly customization over individual aspects at inference time. |
| Outcome: | The proposed framework outperforms state-of-the-art NNRs on both content-based recommendation and single- and multi-aspect customization. |
Efficient Pointwise-Pairwise Learning-to-Rank for News Recommendation (2024.findings-emnlp)
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| Challenge: | Recent work leverages the power of pretrained language models to rank news items . pointwise approaches fail to capture comparative information between items that is more effective for ranking tasks. |
| Approach: | They propose a framework for PLM-based news recommendation that integrates pointwise relevance prediction and pairwise comparisons in a scalable manner. |
| Outcome: | The proposed framework outperforms state-of-the-art methods on the MIND and Adressa news recommendation datasets. |
DIGAT: Modeling News Recommendation with Dual-Graph Interaction (2022.findings-emnlp)
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| Challenge: | Existing news recommendation methods lack effective news-user feature interaction. |
| Approach: | They propose to use news-graph and user-graph channels to enhance news encodings . they also propose to perform effective feature interaction between news and user graphs based on semantic-augmented graphs. |
| Outcome: | The proposed graph attention networks outperform existing NR methods on the benchmark dataset MIND. |