varun729

yes this is FM index. The linked paper is authored by Ferragina and Manzini, which is how the name FM index comes.

yes this is good if the app is going well. But think about apps, which don't get too many users, even users who use it once and feel something to report about it, don't do it because they have to go on the Android Market. If you want to see how easy the process can be, download the MyCycle app from Android market, click the Feedback button. The questions you see on the feedback page can be changed anytime through a website, I don't need to give an update for the app. What I suggest may not be very intuitive at first, but if you see it once you will realize how much more beneficial it can be.

MyCycle app may not be of any use for you, you can uninstall it after seeing this feature, but its a good demo I feel :)