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Name: Jianjun Xiao
Type: User
Company: Beijing Normal university
Location: beijing
Blog: xiaojianjun.cn
Name: Jianjun Xiao
Type: User
Company: Beijing Normal university
Location: beijing
Blog: xiaojianjun.cn
Quantifying rankings bias
Latent Semantic Analysis Introduction: An information retrieval technique patented in 1988. In the context of its application to information retrieval, it is sometimes called Latent Semantic Indexing (LSI). LSI allows a search engine to determine what a page is about outside of specifically matching search query text. It looks at “Themes” instead of “Keywords”. Linear Algebra techniques used in the project: Singular Value Decomposition, Cosine Similarity, Matrix properties. Dataset: “Sci.space” news group from 20 news groups dataset, available in the Scikit-Learn library. It contains 400 news articles related to space. SVD (Singular Value Decomposition): SVD is a matrix decomposition algorithm, it decomposes a matrix into 3 matrices which are a set to transformations. Decomposition leads to an orthogonal matrix U, Diagonal matrix S and a Diagonal Matrix V. This is the best possible transformation of a matrix. In this decomposition method we are looking for a set of orthonormal basis in the row space that when multiplied by the original matrix goes to an orthonormal basis in the column space.Av1 = σ1u1 Av2 = σ2u2
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Code and other documentation for apps in the Shiny Gallery ✨
短信轰炸/短信测压/ | 一个健壮免费的python短信轰炸程序,专门炸坏蛋蛋,百万接口,多线程全自动添加有效接口,支持异步协程百万并发,全免费的短信轰炸工具!!hongkonger开发全网首发!!
Code for "Social Networks for Startups"
Replication package/lab journal for the paper "Kudos make you run! How runners influence each other on the online social network Strava".
交通大数据挖掘分析与可视化部分代码与数据
Continuously updated Sina Weibo Public Opinion Datasets / 持续维护的微博舆情数据集
新浪微博爬虫,用python爬取新浪微博数据
微博爬取“关键词”的程序,并作出了各种优化
A declarative, efficient, and flexible JavaScript library for building user interfaces.
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TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.