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Summer Trip to Porvoo, 14 August 2015
The CS Blog Task Force

Renewed Carat App Gives a Smart Boost to Battery

The Carat Project Team at the University of Helsinki, Department of Computer Science, has published a new version of the popular mobile energy-awareness application.

After launch in June 2012, Carat has helped over 850,000 users, of which 41 per cent have been Android and 59 per cent iOS users, respectively. The new user interface follows modern application design guidelines and presents battery information in a more intuitive and easy to use manner.

- In addition to the new user interface, we have increased the accuracy of the energy saving recommendations of Carat, says Professor Sasu Tarkoma, the leader of this research done at the university.

The user interface features the number of energy intensive applications (Hogs), energy anomalies (Bugs) and user recommendations (Actions) at a glance on the main screen as well as global energy statistics for the device community.

Cover Song Identification Using Compression-based Distance Measures

M.Sc. Teppo E. Ahonen will defend his doctoral thesis Cover Song Identification Using Compression-based Distance Measures on Friday the 1st of April 2016 at 12 o'clock in the University of Helsinki Exactum Building, Auditorium CK112 (Gustaf Hällströminkatu 2b) His opponent is Academy Professor Petri Toiviainen (University of Jyväskylä) and custos Professor Esko Ukkonen (University of Helsinki). The defence will be held in Finnish.

Measuring similarity in music data is a problem with various potential applications. In recent years, the task known as cover song identification has gained widespread attention. In cover song identification, the purpose is to determine whether a piece of music is a different rendition of a previous version of the composition. The task is quite trivial for a human listener, but highly challenging for a computer.


Application to Finnish computer science programmes 16 Mar-6 Apr 2016

The joint application to computer science programmes given in Finnish is open now.

Photo: Veikko Somerpuro 2016


International BOI 2016 programming contest at the Department of Computer Science


The best young programmers around the Baltic Sea will compete in May 2016 at the Department of Computer Science at the University of Helsinki in Baltic Olympiad in Informatics 2016.






Baltic Olympiad in Informatics (BOI) is a programming contest for countries around the Baltic Sea. The contest has been organized since 1995. This year BOI will take place in Helsinki May 11-15. The contest venue is the Department of Computer Science at the University of Helsinki.

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