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Multi-Objective Agentic Rewrites for Unstructured Data Processing

Summary: MOAR optimizes LLM-powered DocETL pipelines via 30+ cost/accuracy rewrite directives and global, multi-armed-bandit search over interacting rewrites. Across six workloads, it delivers 27% higher accuracy than ABACUS, or comparable accuracy at 55% of the cost. (summarized by gpt-5.6-luna on Aug 28 2026)

Paper ID
hc258e4bdad270047
Venue
VLDB
Year
2026
Pagerank
5.6551172e-05
Overall Rank
6,886 | 53.71%
DOI
10.14778/3836663.3836673

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{wei_vldb26,
        title = {{Multi-Objective Agentic Rewrites for Unstructured Data Processing}},
        author = {Wei, Lindsey Linxi and Shankar, Shreya and Zeighami, Sepanta and Chung, Yeounoh and Ozcan, Fatma and Parameswaran, Aditya G.},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {11},
        pages = {3062--3075},
        doi = {10.14778/3836663.3836673},
        url = {https://doi.org/10.14778/3836663.3836673},
        year = {2026}
}

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

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Outgoing Citations (Sorted by Pagerank)

Showing 22 of 22 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0023947656
125 Predicate Migration: Optimizing Queries with Expensive Predicates 1993 SIGMOD 0.00030470848
272 An Overview of Query Optimization in Relational Systems 1998 PODS 0.00022509573
501 Language Models Enable Simple Systems for Generating Structured Views of Heterogeneous Data Lakes 2024 VLDB 0.00017267905
683 DocETL: Agentic Query Rewriting and Evaluation for Complex Document Processing 2025 VLDB 0.00014817539
748 Palimpzest: Optimizing AI-Powered Analytics with Declarative Query Processing 2025 CIDR 0.00014281926
2,341 The Design of an LLM-powered Unstructured Analytics System 2025 CIDR 8.6066183e-05
2,450 ThalamusDB: Approximate Query Processing on Multi-Modal Data 2024 SIGMOD 8.4474092e-05
2,982 Semantic Operators and Their Optimization: Enabling LLM-Based Data Processing with Accuracy Guarantees in LOTUS 2025 VLDB 7.7845174e-05
3,126 Abacus: A Cost-Based Optimizer for Semantic Operator Systems 2026 VLDB 7.6185225e-05
4,142 AOP: Automated and Interactive LLM Pipeline Orchestration for Answering Complex Queries 2025 CIDR 6.7814795e-05
4,675 spade: Synthesizing Data Quality Assertions for Large Language Model Pipelines 2024 VLDB 6.474947e-05
4,731 QUEST: Query Optimization in Unstructured Document Analysis 2025 VLDB 6.4462032e-05
5,402 Beyond Quacking: Deep Integration of Language Models and RAG into DuckDB 2025 VLDB 6.1461781e-05
6,379 Unify: A System For Unstructured Data Analytics 2025 VLDB 5.8083127e-05
6,860 SpareLLM: Automatically Selecting Task-Specific Minimum-Cost Large Language Models under Equivalence Constraint 2025 SIGMOD 5.6613762e-05
6,945 PalimpChat: Declarative and Interactive AI analytics 2025 SIGMOD 5.6378669e-05
7,885 Semantic Integrity Constraints: Declarative Guardrails for AI-Augmented Data Processing Systems 2025 VLDB 5.433531e-05
8,361 LEAP: LLM-powered End-to-end Automatic Library for Processing Social Science Queries on Unstructured Data 2025 VLDB 5.3474284e-05
8,632 DocDB: A Database for Unstructured Document Analysis 2025 VLDB 5.2985603e-05
8,997 Cut Costs, Not Accuracy: LLM-Powered Data Processing with Guarantees 2026 SIGMOD 5.2410834e-05
10,690 Task Cascades for Efficient Unstructured Data Processing 2026 SIGMOD 4.9793485e-05
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