Because XML data is not based on a traditional relational model, implementing XML repositories using such databases can be complex and cumbersome. For example, every level of XML hierarchy would ...

It is the responsibility of the verification methodology to ensure that a hierarchical model with the correct configuration is plugged in for the correct instance. The proposed HDM-based methodology ...

A. N. Pettitt, T. T. Tran, M. A. Haynes, J. L. Hay, A Bayesian Hierarchical Model for Categorical Longitudinal Data from a Social Survey of Immigrants, Journal of the ...

In July 2025, we introduced the Sapient Hierarchical Reasoning Model (HRM), a hierarchical, brain-inspired model that achieves deep reasoning with minimal data.