What question did this study set out to answer?

The study aims to optimize location selection and item assortment for micro-fulfillment centers in instant retailing while considering order distribution.

March 21, 2026Asia Pacific Journal of Operational Research

Location-Allocation Problem Based on Order Distribution in Instant Retailing: An Efficient Branch-and-Bound Integrated Lagrangian Relaxation

View Full Paper

Ask AI

Bookmark

The study aims to optimize location selection and item assortment for micro-fulfillment centers in instant retailing while considering order distribution.
Developed an integer programming model for optimizing micro-fulfillment center locations.
Proposed a branch-and-bound integrated Lagrangian relaxation algorithm to reduce computational complexity.
Used a pegging test for efficient branch-and-bound process in MC location selection.
Implemented heuristics based on approximated shadow prices for allocation and assortment decisions.
Achieved a 2% gap from the upper bound efficiently compared to Gurobi and metaheuristic approaches.
Demonstrated significant improvements in fulfillment cost optimization by incorporating order distribution.

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

This research demonstrates an efficient algorithm to optimize micro-fulfillment centers' locations and item assortments in instant retailing, suggesting significant cost savings.

Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/69be35836e48c4981c673c7c https://doi.org/10.1142/s0217595926500120

View Full Paper

Ask AI

Bookmark

Implication

This research demonstrates an efficient algorithm to optimize micro-fulfillment centers' locations and item assortments in instant retailing, suggesting significant cost savings.

Location-Allocation Problem Based on Order Distribution in Instant Retailing: An Efficient Branch-and-Bound Integrated Lagrangian Relaxation

Key Points

Discussion

Implication

Cite This Study

Location-Allocation Problem Based on Order Distribution in Instant Retailing: An Efficient Branch-and-Bound Integrated Lagrangian Relaxation

Key Points

Discussion

Implication

Cite This Study