14th solution for Job Title competition of DataCastle (http://www.pkbigdata.com/common/competition/147.html)

• Predict a person's major given a person's job experience
• Predict a person's second last company size
• Predict a person's salary in its second last company
• Predict a person's job title in its second last company
• The final result is weighted averaged of the four tasks

• TFIDF of position, department descriptions
• Cross-entropy features of A with respect to target C
• some hard-coded features

• Xgboost, DNN, CNN with 1d convolution
• The final model is ensemble of the 3 models