The world in which we live has changed rapidly over the last few decades. Threats of bioterrorism, influenza pandemics, and emerging infectious diseases coupled with unprecedented population mobility led to the development of public...

Social Media are used more and more in computational research, often exposing private data without the user permission. This short presentation is part of a discussion that we had on the topic at DDD2013.

In this presentation I introduce the inner workings of AchieveMint, a reward platform for healthy activities, and show some success measures. I also offer ideas on how to acquire new health related data and speak...

In this presentation I introduce the inner workings of AchieveMint, a reward platform for healthy activities, and show some success measures.

Data is very valuable and many companies already understood it and are making large use of their own to increase sales. Similarly, data can be also very valuable for the medical scientific community. They can...

The Internet really changed the life of people and the amount of data that each of us produces directly or indirectly continues to increase. Often times you do not need millon dollar budgets to have...

To use sequential, geocoded social media data as a proxy for human movement to support both disease surveillance and modeling.

People upload millions of tweets, posts, images and checkins on the Internet every day. All these data that can be used for digital forecasting of diseases. In this talk I introduce some of the ideas...

Computer Vision and Face Detection technologies are about to change the way we do digital advertising. It is now possible to do in real life what Google has done with online ads. In this talk...

This paper describes a system that uses Twitter to estimate influenza-like illness levels by geographic region.

In this talk I introduce some simple concepts of machine learning and optimization that can be used with freely available tools and without lots of domain knowledge to perform classification, ranking and scoring of search...

In the “Web 2.0” where every user is at the same time a producer and a consumer. The studies presented in this report demonstrated a high level of correlation between social activities performed online and...

Search Engines need to change and adapt to the complex and fast changing Internet generated by all the user posts on social networks. In this talk I describe what this world looks like right now...

Normal search engines use batch processes to swipe the web, parse pages and index their content. In the fast paced real-time web, created through the links shared by millions of people everywhere that is a...

The role of ranking algorithms is thus crucial: select the pages that are most likely be able to satisfy the user’s needs, and bring them in the top positions. In this survey I will cover...