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Model Perspective
Model Perspective
May 30, 2022 · Fundamentals

How to Define the “Best” Object in Multi‑Criteria Evaluation Models

This article explains how to set the “best” reference in comprehensive evaluation models by introducing several modeling approaches—including full‑score, ideal‑object, TOPSIS, and DEA—along with the necessary terminology, weighting, and distance calculations.

DEATOPSISevaluation models
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How to Define the “Best” Object in Multi‑Criteria Evaluation Models
Xianyu Technology
Xianyu Technology
Aug 20, 2020 · Artificial Intelligence

Scatter Algorithm for Recommendation Systems: Methods and Evaluation

The article presents three scatter algorithms—column scatter, weight distribution, and sliding‑window—that reorder recommendation lists to disperse similar items, describing their mechanics, computational complexities, experimental trade‑offs, and a hybrid case study for efficient, multi‑dimensional list diversification.

RankingSliding Windowperformance
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Scatter Algorithm for Recommendation Systems: Methods and Evaluation