Pearl: Personalizing Large Language Model Writing Assistants with Generation-Calibrated Retrievers
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Abstract (arXiv)
Powerful large language models have facilitated the development of writing assistants that promise to significantly improve the quality and efficiency of composition and communication. However, a barrier to effective assistance is the lack of personalization in LLM outputs to the author's communication style, specialized knowledge, and values. In this paper, we address this challenge by proposing Pearl, a LLM writing assistant personalized with a retriever that is trained to be generation-calibrated for personalization. Generation calibration ensures that our retriever selects historic user authored documents to augment an LLM prompt such that they are likely to help an LLM generation better adhere to a users' preferences. We propose two key novelties for training such a retriever: (1) A training data selection method that identifies user requests likely to benefit from personalization and documents that provide that benefit; and (2) A scale-calibrating KL-divergence objective that ensures that our retriever scores remain proportional to the downstream generation quality from using the document for personalized generation. In a series of holistic evaluations, we demonstrate the effectiveness of Pearl in generating long-form texts on multiple social media datasets. Finally, we demonstrate how a generation-calibrated retriever can double as a performance predictor -- detecting low quality retrieval, and improving potentially under-performing outputs via revision with LLMs.
Key facts. Cited by 91 papers in the map (data through 7 Oct 2026). Builds on 48 of its 83 references that are in the map. First posted on arXiv 15 Nov 2023.
Builds on
48 of 83 references.
References · 48
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- 2019BERTScore: Evaluating Text Generation with BERTcited by 5,462
- 2022Scaling Instruction-Finetuned Language Modelscited by 2,997
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- 2021Unsupervised Dense Information Retrieval with Contrastive Learningcited by 1,203
- 2022When Not to Trust Language Models: Investigating Effectiveness of Parametric and Non-Parametric Memoriescited by 1,103
- 2020MPNet: Masked and Permuted Pre-training for Language Understandingcited by 973
- 2018Personalizing Dialogue Agents: I have a dog, do you have pets too?cited by 820
- 2021Learning To Retrieve Prompts for In-Context Learningcited by 641
- 2023LaMP: When Large Language Models Meet Personalizationcited by 425
- 2023Making Retrieval-Augmented Language Models Robust to Irrelevant Contextcited by 364
- 2022Selection-Inference: Exploiting Large Language Models for Interpretable Logical Reasoningcited by 331
36 more
- 2023Trusting Your Evidence: Hallucinate Less with Context-aware Decodingcited by 319
- 2022Demonstrate-Search-Predict: Composing retrieval and language models for knowledge-intensive NLPcited by 316
- 2020Evaluation of Text Generation: A Surveycited by 275
- 2021AI Chains: Transparent and Controllable Human-AI Interaction by Chaining Large Language Model Promptscited by 265
- 2022Demystifying Prompts in Language Models via Perplexity Estimationcited by 215
- 2022Active Example Selection for In-Context Learningcited by 195
- 2022Co-Writing Screenplays and Theatre Scripts with Language Models: An Evaluation by Industry Professionalscited by 191
- 2022Large Language Models with Controllable Working Memorycited by 169
- 2022Improving Passage Retrieval with Zero-Shot Question Generationcited by 164
- 2022Ask Me Anything: A simple strategy for prompting language modelscited by 155
- 2018Training Millions of Personalized Dialogue Agentscited by 126
- 2019Gmail Smart Compose: Real-Time Assisted Writingcited by 97
- 2023Personalisation within bounds: A risk taxonomy and policy framework for the alignment of large language models with personalised feedbackcited by 86
- 2021Sparks: Inspiration for Science Writing using Language Modelscited by 80
- 2022Help me write a poem: Instruction Tuning as a Vehicle for Collaborative Poetry Writingcited by 71
- 2023Coverage-based Example Selection for In-Context Learningcited by 58
- 2016Smart Reply: Automated Response Suggestion for Emailcited by 54
- 2019Generating Personalized Recipes from Historical User Preferencescited by 52
- 2023ChatGPT vs Human-authored Text: Insights into Controllable Text Summarization and Sentence Style Transfercited by 49
- 2023EcoAssistant: Using LLM Assistant More Affordably and Accuratelycited by 47
- 2020Automated Lay Language Summarization of Biomedical Scientific Reviewscited by 46
- 2022Knowledge-in-Context: Towards Knowledgeable Semi-Parametric Language Modelscited by 24
- 2022Unifying Data Perspectivism and Personalization: An Application to Social Normscited by 22
- 2023Beyond Summarization: Designing AI Support for Real-World Expository Writing Taskscited by 20
- 2023Beyond Prompts: Exploring the Design Space of Mixed-Initiative Co-Creativity Systemscited by 20
- 2021Not All Relevance Scores are Equal: Efficient Uncertainty and Calibration Modeling for Deep Retrieval Modelscited by 18
- 2023SCREWS: A Modular Framework for Reasoning with Revisionscited by 16
- 2021IGA : An Intent-Guided Authoring Assistantcited by 12
- 2022Calibration of Machine Reading Systems at Scalecited by 11
- 2020Personalizing Grammatical Error Correction: Adaptation to Proficiency Level and L1cited by 10
- 2022ACCoRD: A Multi-Document Approach to Generating Diverse Descriptions of Scientific Conceptscited by 10
- 2022Efficient Nearest Neighbor Search for Cross-Encoder Models using Matrix Factorizationcited by 10
- 2023Writing Tools: Looking Back to Look Aheadcited by 8
- 2023Automatic and Human-AI Interactive Text Generationcited by 4
- 2023Multivariate Representation Learning for Information Retrievalcited by 3
- 2023Starting Conversations with Search Engines -- Interfaces that Elicit Natural Language Queriescited by 2
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Citing papers per year: 2023: 1; 2024: 19; 2025: 35; 2026: 36.
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- 2025A Survey of Personalized Large Language Models: Progress and Future Directionscited by 65
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- 2025Measuring What Makes You Unique: Difference-Aware User Modeling for Enhancing LLM Personalizationcited by 44
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38 more
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- 2025A Survey of Personalization: From RAG to Agentcited by 26
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- 2025A Survey on Personalized and Pluralistic Preference Alignment in Large Language Modelscited by 25
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- 2025Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generationcited by 23
- 2024On the Way to LLM Personalization: Learning to Remember User Conversationscited by 21
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- 2025Personalized Language Models via Privacy-Preserving Evolutionary Model Mergingcited by 8
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- 2026BenchPreS: A Benchmark for Context-Aware Personalized Preference Selectivity of Persistent-Memory LLMscited by 7
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- 2025Learning from Natural Language Feedback for Personalized Question Answeringcited by 5
- 2025PaperDebugger: A Plugin-Based Multi-Agent System for In-Editor Academic Writing, Review, and Editingcited by 5
- 2025Tuning-Free Personalized Alignment via Trial-Error-Explain In-Context Learningcited by 4
- 2025Personas within Parameters: Fine-Tuning Small Language Models with Low-Rank Adapters to Mimic User Behaviorscited by 4
- 2026Your Language Model Secretly Contains Personality Subnetworkscited by 4
50 most cited of 91 All 91 (JSON)
- 2026StateTree: Enhancing Long-Term Dialogue Reasoning via Reinforcement Learning30 Sep 2026
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- 2026The Garden of Forking Prompts: How Users Explore Narrative Space in Story Generation13 Sep 2026
- 2026PLUME: Parameter-Efficient Personalization of Large Language Models via Low-Rank User Modulation in Shared Subspaces4 Sep 2026
- 2026Hypotheses-Guided Self Distillation for Continual Personalization31 Aug 2026
- 2026Evaluating the Hidden Costs of Personalization in Large Language Models28 Aug 2026
- 2026Privacy Personalization Trade offs in LLMs: The Impact of Stylometric Signal Reduction on User-Specific Text Generation18 Aug 2026
- 2026MoNe: Modular Neural Memory for Efficient Long Context Inference18 Aug 2026
- 2026Muscle Memory for Agents: Compile not Merely Retrieve10 Aug 2026
- 2026TRACE-Memory: Public-Conditioned Retrieval and Utility-Aware Evidence Admission for Personalized Generation9 Aug 2026
- 2026Identifying Harm in Personalized, Generative AI Systems Requires User-Centered Auditing at the Interaction Level7 Aug 2026
- 2026Learning Dynamic User Personas from Implicit Interaction Streams via Iterative Refinement29 Jul 2026
38 more
- 2026Bounded Personas Match Retrieval on Classification but Not Regression for a Frozen Agent25 Jun 2026
- 2026Prompt-Space Meta-Learning Does Not Transfer Across Users: A Frozen-LLM Negative Result25 Jun 2026
- 2026Self-supervised User Profile Generation for Personalization3 Jun 2026
- 2026Beyond Retrieval: Learning Compact User Representations for Scalable LLM Personalization3 Jun 2026
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- 2026VitaBench 2.0: Evaluating Personalized and Proactive Agents in Long-Term User Interactions26 May 2026
- 2026LATTE: Forecasting Peer Anchored Preference Trajectories for Personalized LLM Generation26 May 2026
- 2026From Volume to Value: Preference-Aligned Memory Construction for On-Device RAG18 May 2026
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- 2025Think-While-Generating: On-the-Fly Reasoning for Personalized Long-Form Generation7 Dec 2025
- 2025PaperDebugger: A Plugin-Based Multi-Agent System for In-Editor Academic Writing, Review, and Editing2 Dec 2025
- 2025Iterative Critique-Refine Framework for Enhancing LLM Personalization28 Oct 2025
- 2025Towards Faithful and Controllable Personalization via Critique-Post-Edit Reinforcement Learning21 Oct 2025
- 2025Instant Personalized Large Language Model Adaptation via Hypernetwork18 Oct 2025
- 2025When Personalization Tricks Detectors: The Feature-Inversion Trap in Machine-Generated Text Detection14 Oct 2025
- 2025The Era of Real-World Human Interaction: RL from User Conversations29 Sep 2025
- 2025T-POP: Test-Time Personalization with Online Preference Feedback29 Sep 2025
- 2025From Personal to Collective: On the Role of Local and Global Memory in LLM Personalization28 Sep 2025
- 2025Tagging the Thought: Unlocking Personalization Reasoning via Reinforcement Learning27 Sep 2025
- 2025Catch Me If You Can? Not Yet: LLMs Still Struggle to Imitate the Implicit Writing Styles of Everyday Authors18 Sep 2025
- 2025Personas within Parameters: Fine-Tuning Small Language Models with Low-Rank Adapters to Mimic User Behaviors18 Aug 2025
- 2025Learning from Natural Language Feedback for Personalized Question Answering14 Aug 2025
- 2025PrLM: Learning Explicit Reasoning for Personalized RAG via Contrastive Reward Optimization10 Aug 2025
50 newest of 91 All 91 (JSON)
- 2024Can Language Models Reason about Individualistic Human Values and Preferences?cited by 34
- 2025Think-While-Generating: On-the-Fly Reasoning for Personalized Long-Form Generationcited by 29
- 2025Reasoning-Enhanced Self-Training for Long-Form Personalized Text Generationcited by 26
- 2024Think Together and Work Better: Combining Humans' and LLMs' Think-Aloud Outcomes for Effective Text Evaluationcited by 12
- 2025PrLM: Learning Explicit Reasoning for Personalized RAG via Contrastive Reward Optimizationcited by 8
- 2024Language Models as Critical Thinking Tools: A Case Study of Philosopherscited by 6
- 2025Tagging the Thought: Unlocking Personalization Reasoning via Reinforcement Learningcited by 3
- 2026StateTree: Enhancing Long-Term Dialogue Reasoning via Reinforcement Learningcited by 0
- 2026StateTree: Enhancing Long-Term Dialogue Reasoning via Reinforcement Learning30 Sep 2026
- 2025Think-While-Generating: On-the-Fly Reasoning for Personalized Long-Form Generation7 Dec 2025
- 2025Tagging the Thought: Unlocking Personalization Reasoning via Reinforcement Learning27 Sep 2025
- 2025PrLM: Learning Explicit Reasoning for Personalized RAG via Contrastive Reward Optimization10 Aug 2025
- 2025Reasoning-Enhanced Self-Training for Long-Form Personalized Text Generation7 Jan 2025
- 2024Can Language Models Reason about Individualistic Human Values and Preferences?4 Oct 2024
- 2024Think Together and Work Better: Combining Humans' and LLMs' Think-Aloud Outcomes for Effective Text Evaluation11 Sep 2024
- 2024Language Models as Critical Thinking Tools: A Case Study of Philosophers6 Apr 2024
- 2024From Persona to Personalization: A Survey on Role-Playing Language Agentscited by 206
- 2024Aligning LLM Agents by Learning Latent Preference from User Editscited by 66
- 2026VitaBench 2.0: Evaluating Personalized and Proactive Agents in Long-Term User Interactionscited by 11
- 2025PaperDebugger: A Plugin-Based Multi-Agent System for In-Editor Academic Writing, Review, and Editingcited by 5
- 2026Multi-Agent Comedy Club: Investigating Community Discussion Effects on LLM Humor Generationcited by 1
- 2026Muscle Memory for Agents: Compile not Merely Retrievecited by 0
- 2026Muscle Memory for Agents: Compile not Merely Retrieve10 Aug 2026
- 2026VitaBench 2.0: Evaluating Personalized and Proactive Agents in Long-Term User Interactions26 May 2026
- 2026Multi-Agent Comedy Club: Investigating Community Discussion Effects on LLM Humor Generation16 Feb 2026
- 2025PaperDebugger: A Plugin-Based Multi-Agent System for In-Editor Academic Writing, Review, and Editing2 Dec 2025
- 2024From Persona to Personalization: A Survey on Role-Playing Language Agents28 Apr 2024
- 2024Aligning LLM Agents by Learning Latent Preference from User Edits23 Apr 2024
- 2025A Survey on Personalized and Pluralistic Preference Alignment in Large Language Modelscited by 25
- 2025Personalized LLM Decoding via Contrasting Personal Preferencecited by 12
- 2025T-POP: Test-Time Personalization with Online Preference Feedbackcited by 6
- 2025Towards Faithful and Controllable Personalization via Critique-Post-Edit Reinforcement Learningcited by 3
- 2026CARD: Cluster-level Adaptation with Reward-guided Decoding for Personalized Text Generationcited by 2
- 2026Personalizing LLMs with Binary Feedback: A Preference-Corrected Optimization Frameworkcited by 1
- 2026Personalizing LLMs with Binary Feedback: A Preference-Corrected Optimization Framework11 May 2026
- 2026CARD: Cluster-level Adaptation with Reward-guided Decoding for Personalized Text Generation9 Jan 2026
- 2025Towards Faithful and Controllable Personalization via Critique-Post-Edit Reinforcement Learning21 Oct 2025
- 2025T-POP: Test-Time Personalization with Online Preference Feedback29 Sep 2025
- 2025Personalized LLM Decoding via Contrasting Personal Preference13 Jun 2025
- 2025A Survey on Personalized and Pluralistic Preference Alignment in Large Language Models9 Apr 2025
- 2025A Survey of Personalization: From RAG to Agentcited by 26
- 2025Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generationcited by 23
- 2025Improving RAG for Personalization with Author Features and Contrastive Examplescited by 3
- 2026Improving User Privacy in Personalized Generation: Client-Side Retrieval-Augmented Modification of Server-Side Generated Speculationscited by 0
- 2026Improving User Privacy in Personalized Generation: Client-Side Retrieval-Augmented Modification of Server-Side Generated Speculations24 Jan 2026
- 2025A Survey of Personalization: From RAG to Agent14 Apr 2025
- 2025Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generation8 Apr 2025
- 2025Improving RAG for Personalization with Author Features and Contrastive Examples24 Mar 2025
- 2026Personal Visual Context Learning in Large Multimodal Models11 May 2026
- 2024Two Tales of Persona in LLMs: A Survey of Role-Playing and Personalizationcited by 203
- 2024Towards Measuring and Modeling "Culture" in LLMs: A Surveycited by 166
- 2025Know Me, Respond to Me: Benchmarking LLMs for Dynamic User Profiling and Personalized Responses at Scalecited by 163
- 2024LongLaMP: A Benchmark for Personalized Long-form Text Generationcited by 91
- 2024From Matching to Generation: A Survey on Generative Information Retrievalcited by 89
- 2024Personalized Pieces: Efficient Personalized Large Language Models through Collaborative Effortscited by 71
- 2025A Survey of Personalized Large Language Models: Progress and Future Directionscited by 65
- 2024HYDRA: Model Factorization Framework for Black-Box LLM Personalizationcited by 59
- 2025Measuring What Makes You Unique: Difference-Aware User Modeling for Enhancing LLM Personalizationcited by 44
- 2024AI PERSONA: Towards Life-long Personalization of LLMscited by 30
- 2025LaMP-QA: A Benchmark for Personalized Long-form Question Answeringcited by 30
- 2025ExPerT: Effective and Explainable Evaluation of Personalized Long-Form Text Generationcited by 26
12 most cited of 65 All 65 (JSON)
- 2026ProTTT: Learning to Learn Semantic User Memory with Test-Time Training26 Sep 2026
- 2026The Garden of Forking Prompts: How Users Explore Narrative Space in Story Generation13 Sep 2026
- 2026PLUME: Parameter-Efficient Personalization of Large Language Models via Low-Rank User Modulation in Shared Subspaces4 Sep 2026
- 2026Hypotheses-Guided Self Distillation for Continual Personalization31 Aug 2026
- 2026Evaluating the Hidden Costs of Personalization in Large Language Models28 Aug 2026
- 2026Privacy Personalization Trade offs in LLMs: The Impact of Stylometric Signal Reduction on User-Specific Text Generation18 Aug 2026
- 2026MoNe: Modular Neural Memory for Efficient Long Context Inference18 Aug 2026
- 2026TRACE-Memory: Public-Conditioned Retrieval and Utility-Aware Evidence Admission for Personalized Generation9 Aug 2026
- 2026Identifying Harm in Personalized, Generative AI Systems Requires User-Centered Auditing at the Interaction Level7 Aug 2026
- 2026Learning Dynamic User Personas from Implicit Interaction Streams via Iterative Refinement29 Jul 2026
- 2026Bounded Personas Match Retrieval on Classification but Not Regression for a Frozen Agent25 Jun 2026
- 2026Prompt-Space Meta-Learning Does Not Transfer Across Users: A Frozen-LLM Negative Result25 Jun 2026
12 newest of 65 All 65 (JSON)