Tabular Incremental Inference

• URL: http://arxiv.org/abs/2601.15751v2
• Date: Tue, 27 Jan 2026 05:31:04 GMT
• Title: Tabular Incremental Inference
• Authors: Xinda Chen, Zhen Xing, Hanyu Zhang, Weimin Tan, Bo Yan,
• Abstract summary: Tabular Incremental Inference (TabII) aims to enable trained models to incorporate new columns during the inference stage.<n> Experimental results across eight public datasets show that TabII effectively utilizes incremental attributes.
• Score: 32.65122826292422
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Tabular data is a fundamental form of data structure. The evolution of table analysis tools reflects humanity's continuous progress in data acquisition, management, and processing. The dynamic changes in table columns arise from technological advancements, changing needs, data integration, etc. However, the standard process of training AI models on tables with fixed columns and then performing inference is not suitable for handling dynamically changed tables. Therefore, new methods are needed for efficiently handling such tables in an unsupervised manner. In this paper, we introduce a new task, Tabular Incremental Inference (TabII), which aims to enable trained models to incorporate new columns during the inference stage, enhancing the practicality of AI models in scenarios where tables are dynamically changed. Furthermore, we demonstrate that this new task can be framed as an optimization problem based on the information bottleneck theory, which emphasizes that the key to an ideal tabular incremental inference approach lies in minimizing mutual information between tabular data and representation while maximizing between representation and task labels. Under this guidance, we design a TabII method with Large Language Model placeholders and Pretrained TabAdapter to provide external knowledge and Incremental Sample Condensation blocks to condense the task-relevant information given by incremental column attributes. Experimental results across eight public datasets show that TabII effectively utilizes incremental attributes, achieving state-of-the-art performance.

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