Here's a technical overview of the topic. It's not a trivial problem at all. https://pdfs.semanticscholar.org/e734/d63888d81075efa0402599ae4e43772cf2e7.pdf htt

Here's a technical overview of the topic. It's not a trivial problem at all. https://pdfs.semanticscholar.org/e734/d63888d81075efa0402599ae4e43772cf2e7.pdf https://pdfs.semanticscholar.org/e734/d63888d81075efa0402599...