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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Tahamina Akter

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Preprint Sep 2026

Scalable Approximate Selected Inversion Based on Single-Level Incomplete $LDL^T$ Factorization and Spectral Corrections for Large Sparse Systems

Four parallel numerical techniques for computing entries of the inverse of large sparse symmetric systems grounded in incomplete $LDL^T$ (ILDL) factorizations are introduced and a low-rank correction based on eigenvector updates is employed, providing an alternative to tightening the drop tolerance.

Tahamina Akter, M. Bollhöfer, O. Schenk · 0 citations
Open access Jul 2026

Enterprise Data Integration for Customer Relationship and Sales Performance Monitoring

The findings indicate that integrated enterprise data supports consistent performance evaluation compared to isolated systems and a structured framework for enterprise data integration and monitoring that supports analytical assessment of customer engagement and sales performance within organizational environments is p...

Rasel Chokder, Md. Imran Hossain Bhuiyan, Tahamina Akter et al. · 2 citations

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