The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper describes our system submitted for the ICHI 2015 Healthcare Data Analytics Challenge. Given a relatively large corpus of questions posted by users on online health forums, for a newly posted question (i.e., Query question), our task is to find three most similar questions from the corpus. Our system employs Elastic search, a search server based on Lucene, at its core. The corpus of existing...
With the proliferation of mobile devices accompanied by the advancement in location detection technologies, such as GPS, GSM network logs, call description records (CDR), etc., a large amount of spatio-temporal data is being generated. A lot of research is directed towards understanding and discovering cumulative movement and behaviour patterns of users from this digital footprint. An interesting...
Public transportation is a key enabler of mobility in today's urban environment. Transportation service operators are exploring various technologies in order to be able to provide passengers accurate real-time information to plan their journeys. For them, the challenge is often in understanding where, when and how there is a demand. With rapid advancements in mobile technology, crowd sourcing or participatory...
This paper describes a tool called SimMiner that can model, analyze and visualize geospatial location information and discover similarity patterns from trajectory databases. The location data is modeled as a grid with cell transitions, which not only helps in mining and retrieving the similarity pattern between users, but also reduces the complexity for storage of such location information which is...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.