LinkedInBing Xu
Bing Xu

Bing Xu

Location
San Francisco Bay Area
Industry
Computer Software
183connections

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Background

Summary

I will join Facebook in 2015
Email: antinucleon {at} gmail dot com

Publications

Generative Adversarial Networks(Link)

NIPS 2014
June 2014

We propose a new framework for estimating generative models via an adversarial process, in which we simultaneously train two models: a generative model G that captures the data distribution, and a discriminative model D that estimates the probability that a sample came from the training data rather than G. The training procedure for G is to maximize the probability of D making a mistake. This framework corresponds to a minimax two-player game. In the space of arbitrary functions G and D, a unique solution exists, with G recovering the training data distribution and D equal to 1/2 everywhere. In the case where G and D are defined by multilayer perceptrons, the entire system can be trained with backpropagation. There is no need for any Markov chains or unrolled approximate inference networks during either training or generation of samples. Experiments demonstrate the potential of the framework through qualitative and quantitative evaluation of the generated samples.

Authors:

Combination of Diverse Ranking Models for Personalized Expedia Hotel Searches

ICDM 2013 Workshop
November 2013

Authors: Xudong Liu, Bing Xu, Yuyu Zhang, Qiang Yan, Liang Pang, Qiang Li, Hanxiao Sun, Bin Wang

Horizontal and Vertical Ensemble with Deep Representation for Classification

ICML 2013 Workshop in Challenges in Representation Learning
June 2013

Author: Jingjing Xie, Bing Xu, Zhang Chuang

Challenges in Representation Learning: A report on three machine learning contests

ICONIP 2013
November 2013

Projects

XGBoost.jl(Link)

XGBoost in Julia

Team members:

CXXNET(Link)

Deep learning in 1700 lines C++/CUDA code

Team members:

MShadow(Link)

Lightweight CPU/GPU Matrix/Tensor Template Library in C++/CUDA

Team members:

So-Map

Oct 2011, TechCrunch Disrupt Beijing Hackathon, in a team randomly built by people from 6 countries, rushed an Android and Web application for LBS social event map ---- SoMap

Honors & Awards

4th Finished Risky Business Competition

kaggle

Kaggle master level competition.

5th Finished Personalize Expedia Hotel Searches - ICDM 2013 Challenge

Kaggle, Expedia, ICDM

Learning to rank hotels to maximize purchases
Team with Justin Yan and BrickMover

7th Finished ICML 2013 Challenges in Representation Learning: The Black Box Learning Challenge

ICML, kaggle

On public test board global 3rd, on private board global 7th

This is a black-box learning challenge: Competitors train a classifier on a dataset that is not human readable, without knowledge of what the data consists of. They are scored based on classification accuracy on a private test set. This challenge is designed to reduce the usefulness of having a human researcher working in the loop with the training algorithm.

We are also providing a dataset of approx. 130,000 unsupervised examples that contestants can use to improve their models. The unsupervised data is a CSV file in the same format as the private test set (i.e. without the labels). The extra data comes from a distribution that is very similar to the training/test set distribution.

6th Finished EMC Israel Data Science Challenge

kaggle, EMC

The EMC source code classification challenge requires you to classify source code files according to the projects they belong to. 219,099 files were collected from 97 open source proejects. The feature set dimensionality obtained is 592,158 dimensions.

17th Facebook Recruiting Competition, Top 5%

kaggle, facebook

The challenge is to recommend missing links in a social network with millions of nodes. Participants will be presented with an external anonymized, directed social graph (no, not Facebook, keep guessing) from which some edges have been deleted, and asked to make ranked predictions for each user in the test set of which other users they would want to follow.

18th Finished EMI Music Data Science Hackathon

kaggle

This Data Science London hackathon will focus on one key subset of this data: understanding what it is about people and artists that predicts how much people are going to like a particular track. We have taken a sample of the data from the United Kingdom that provides a granular mixture of profile, word-association, and rating data.

The goal of this weekend hackathon is to design an algorithm that combines users’ (a) demographics, (b) artist and track ratings, (c) answers to questions about their preferences for music, and (d) words that they use to describe EMI artists in order to predict how much they like tracks they have just heard.

30th Finished The Hewlett Foundation: Short Answer Scoring

kaggle, The Hewlett Foundation

Develop a scoring algorithm for student-written short-answer responses.

93% Ability of Educational Testing Service(ETS)'s model
Metric: Quadratic Kappa

Outstanding Bachelor Thesis of Beijing University of Posts and Telecommunications

Beijing University of Posts and Telecommunications

Title: Application of Deep Learning in Classification without Prior Knowledge
Top 2% of 650+ theis

Skills

  • Machine Learning
  • Python
  • Data Mining
  • C++
  • C
  • LaTeX
  • SQL
  • Linux
  • CUDA
  • Julia

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