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vivo Internet Technology
vivo Internet Technology
Oct 14, 2020 · Artificial Intelligence

Understanding Cosine Similarity: From Mathematical Foundations to Practical Applications

The article explains cosine similarity from basic geometry and vector math, derives its formula, and shows how it powers precision marketing, image classification, and text retrieval, while also detailing its industrial implementation in Lucene’s vector space model.

LuceneSearch EngineTF-IDF
0 likes · 18 min read
Understanding Cosine Similarity: From Mathematical Foundations to Practical Applications
AntTech
AntTech
May 10, 2018 · Artificial Intelligence

MISA – Ant Financial’s AI Voice Service Assistant: Architecture, Deep‑Learning Models, and the AI Competition

The article introduces MISA, Ant Financial’s AI‑driven voice service assistant that uses deep‑learning models such as CNN and RNN for problem guessing, identification, and interactive clarification, details its system components and evaluation metrics, and describes the related AI competition focused on sentence‑similarity calculation.

Deep LearningNatural Language ProcessingVoice Assistant
0 likes · 14 min read
MISA – Ant Financial’s AI Voice Service Assistant: Architecture, Deep‑Learning Models, and the AI Competition