23.07 – The Web as a Training Set
*** Due to last minute changes in Preslav’s schedule, we had to move the meetup to July 23. Thanks everyone for your […]
Scientific Conference Invitation – Vanguard Scientific Instruments in Management 2015
The eighth installment of the conference “Vanguard scientific instruments in management” will be held from 09. to 13 September 2015 г. in […]
How to Turn Wikipedia into a Structured Database
Last Tuesday we at Data Science society were delighted to organize the 3rd Sofia Open Data and Linked Data meetup. In line […]
16.06.15 – Ontotext & DBpedia – Open and Linked Data Meetup
Ontotext and DBpedia (Germany), global leaders in semantic technologies, talked in Bulgaria about Open and Linked Data at an event hosted by […]
08.06.15 – Advanced Programming Techniques using MATLAB
This time Data Science Society meets IEEE Young Professionals Bulgaria to co-host a free seminar by Gamax Laboratory Solutions, the official representative […]
Become an active member of Data Science Society
During the last 7 months Data Science Society progressed a lot. We organized more than 10 meetups with average attendance of 80 […]
The Arithmetics of Words or How Machines Describe Pictures
Ivan demonstrated how the meaning of words can be represented as vectors where every word is a point in a multi-dimensional space. This idea is applied when building the so-called “skip-grams” in which every word is a node in the input layer and the weights of the hidden layer correspond to the vector coordinates.
04.05.15 – Deep Learning for NLP
After a short spring break Data Science Society meets skill sharing @ betahaus with another talk by a SoundCloud alumnus. Topic: Deep […]
Public data opening in Bulgaria ver. 1.0
A series of new releases of open data in Bulgaria is starting, which are updated into a portal: https://opendata.government.bg/. At that moment […]
Bulgarian Academy of Science opens its doors
There is news that Bulgarian academy of science at Institute for Information and Communication Technologies is opening its doors on 17 and […]
How SoundCloud Recommends and Tags Music
Petko shared with us his experience with music information retrieval (MIR) acquired at SoundCloud. Similar algorithms are employed at Spotify, Pandora, Shazam and SoundHound. The most basic form of music retrieval extracts musical notes from the audio signal. The digital audio signal itself is a sequence of numbers sampled from electrical voltage representing sound waves. Petko explained that the first step in MIR is to perform segmentation of the signal at even intervals (frames), typically lasting 52 ms each.