see my Receipt_Matching_pranshu_rastogi.pdf for my appraoch
a small typo in Receipt_matching_pranshu_rastogi.pdf i.e ("Also used ROCAUC" should be "Also NOT used ROCAUC") Now corrected in github repo but if you find this in the pdf you have than plz have a look sorry for inconvenience
Have a look on ipynb file also there you can understand more about the project in detail