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Model Perspective
Model Perspective
Dec 10, 2024 · Fundamentals

5 Surprising Mathematical Models That Shape Our World

This article introduces five powerful yet often overlooked mathematical models—Lotka‑Volterra, PageRank, SIR, Nash equilibrium, and random walk—explaining their core formulas and real‑life applications from ecology to finance and internet search.

Lotka-VolterraPageRankSIR model
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5 Surprising Mathematical Models That Shape Our World
Tongcheng Travel Technology Center
Tongcheng Travel Technology Center
May 9, 2023 · Artificial Intelligence

Enhanced Graph Embedding with Side Information (EGES) for User Growth and Cold‑Start Mitigation

This article presents EGES, a graph‑embedding model that incorporates side information to construct a directed user graph, apply biased random‑walk sampling, and train weighted Skip‑Gram embeddings, thereby improving large‑scale user acquisition and addressing cold‑start challenges in recommendation systems.

Cold StartEGESgraph embedding
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Enhanced Graph Embedding with Side Information (EGES) for User Growth and Cold‑Start Mitigation