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MMoE: task-specific gates over shared expert networks

Contribution grade

Multi-task recommendation · Human-designed research method or resource

Reference score135,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Assigned a separate input-dependent gating network to each task while sharing expert subnetworks, letting different prediction towers use different mixtures of learned representations.

Scientific scope

Assigned a separate input-dependent gating network to each task while sharing expert subnetworks, letting different prediction towers use different mixtures of learned representations. Extends mixture-of-experts for task-relationship modeling; it does not invent MoE or sparse conditional execution. Softmax mixtures need not select only one expert. Reduced negative transfer and trainability gains are empirical for studied task correlations, not guarantees for all task pairs.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Extends mixture-of-experts for task-relationship modeling; it does not invent MoE or sparse conditional execution. Softmax mixtures need not select only one expert. Reduced negative transfer and trainability gains are empirical for studied task correlations, not guarantees for all task pairs.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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