I have been learning about mapping. Using leafletjs to incorporate mapping elements in web applications. Building check-in operations based on current location,

I have been learning about mapping. Using leafletjs to incorporate mapping elements in web applications. Building check-in operations based on current location, placing markers/icons and modifying the icon color to represent data values and making it easy for users to contribute location data that is currently missing from the data set. I am also exploring options for efficiently storing sparse matrix data, doing automated statistical distance/similarity analysis and storing all-to-all distance measures back into a database.