FEAT: A Linear-Complexity Foundation Model for Extremely Large Structured Data

📰 ArXiv cs.AI

FEAT is a linear-complexity foundation model for extremely large structured data, addressing limitations of existing large structured-data models

advanced Published 23 Mar 2026
Action Steps
  1. Identify the limitations of existing large structured-data models, such as sample-wise self-attention with O(N^2) complexity
  2. Recognize the need for a linear-complexity foundation model to handle extremely large structured data
  3. Apply FEAT to unify heterogeneous datasets for tasks like classification, regression, and decision support
  4. Evaluate the performance of FEAT on large structured datasets and compare with existing models
Who Needs to Know This

Data scientists and AI engineers on a team can benefit from FEAT as it enables them to handle large structured datasets efficiently, and product managers can leverage FEAT for decision support and classification tasks

Key Insight

💡 FEAT addresses the limitations of existing large structured-data models by providing a linear-complexity foundation model

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🚀 FEAT: A Linear-Complexity Foundation Model for Extremely Large Structured Data 🚀

Key Takeaways

FEAT is a linear-complexity foundation model for extremely large structured data, addressing limitations of existing large structured-data models

Full Article

Title: FEAT: A Linear-Complexity Foundation Model for Extremely Large Structured Data

Abstract:
arXiv:2603.16513v2 Announce Type: replace-cross Abstract: Structured data is foundational to healthcare, finance, e-commerce, and scientific data management. Large structured-data models (LDMs) extend the foundation model paradigm to unify heterogeneous datasets for tasks such as classification, regression, and decision support. However, existing LDMs face major limitations. First, most rely on sample-wise self-attention, whose O(N^2) complexity limits the sample count. Second, linear sequence m
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