The paper defines an NP-complete team-partitioning problem for classrooms, proposes a modular integer linear programming solver with three lexicographic preference objectives, and reports that most of ten tested strategies beat manual teacher assignments on nine real datasets.
Lianying Zhang and Xiang Zhang
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A Hierarchical Integer Linear Programming Approach for Optimizing Team Formation in Education
The paper defines an NP-complete team-partitioning problem for classrooms, proposes a modular integer linear programming solver with three lexicographic preference objectives, and reports that most of ten tested strategies beat manual teacher assignments on nine real datasets.