The Misconceptions About Word2Vec: A Programmer’s Insight

The Misconceptions About Word2Vec: A Programmer's Insight

Li Zi from Ao Fei Si Quantum Bit | WeChat Official Account QbitAI Word2Vec is a language tool open-sourced by Google in 2013. A two-layer network can turn words into vectors, which is crucial in the NLP field and the foundation for many functionalities. However, now a programmer named bollu (short for Pineapple) loudly tells … Read more

Knowledge Graphs for E-Commerce: Understanding User Needs

Knowledge Graphs for E-Commerce: Understanding User Needs

AliMe Guide: This article explains the construction of knowledge graphs in the e-commerce domain from the perspective of demand analysis and systematic building, detailing the entire conceptual system formed during the process. It also emphasizes the significant efforts made by algorithm, engineering, product, operation, and outsourcing teams to gradually refine the platform architecture and review … Read more

Comprehensive Explanation of XGBoost Algorithm

Comprehensive Explanation of XGBoost Algorithm

This article is a part of Chapter 10 of the book “Introduction to Machine Learning Basics” (by Huang Haiguang). XGBoost Algorithm XGBoost is a machine learning algorithm based on the Gradient Boosting Decision Tree (GBDT) invented in February 2014 by PhD student Chen Tianqi from the University of Washington. This algorithm not only has excellent … Read more

Detailed Derivation of XGBoost Explained

Detailed Derivation of XGBoost Explained

– What is the basis for tree node splitting in XGBoost? – How is the weight of tree nodes calculated? – What improvements has XGBoost made to prevent overfitting? Those reading this article are likely familiar with XGBoost. Indeed, XGBoost is not only a powerful tool in major data science competitions but is also widely … Read more

An Explanation and Derivation of the XGBoost Algorithm

An Explanation and Derivation of the XGBoost Algorithm

This article is excerpted from “Introduction to Machine Learning Basics (Micro Course Version)” 10.5 XGBoost Algorithm XGBoost is a machine learning algorithm based on the gradient boosting algorithm (GBDT) invented by PhD student Tianqi Chen from the University of Washington in February 2014. This algorithm not only has excellent learning performance but also trains efficiently, … Read more

Photon Chips Enhance Deep Learning with New Algorithms

Photon Chips Enhance Deep Learning with New Algorithms

Computer deep learning systems based on artificial neural network algorithms have become a cutting-edge focus in the field of computer research. The principle is to enable artificial neural network algorithms to learn like the human brain through practice. In addition to being used for facial and voice recognition, it can also search through vast amounts … Read more