Technology Facebook shares user data with researchers

Facebook shares user data with researchers

Facebook is helping manage the coronavirus crisis. Now, it shares with the location data of its billions of users with researchers. His program called ” Data for Good »Allows to visualize the movements of the population, but also the connections between people.

With its program ” Data for Good “, Facebook use his database massive to help better manage the crisis. The social network offers three different tools for analyzing the effect of containment measures and the risk of spreading the infection function. The infection function allows the virus to get into program files, into files … “data-url =” https : // “data-more =” Read more “>virus. Similar to the tools offered by Google, Facebook analyzes the movements of its billions of users in order to determine the distances traveled and thus judge the effectiveness of the various containment measures. The result is displayed in the form of graphs of the number of visits in each district.

The social network also creates “co-location” cards, which reveal the likelihood of contact between people in different areas. Moreover, Facebook uses friendship links between users to analyze connections between geographic areas. By selecting a particular place, for example a In an ellipse, particular point of the semi-major axis: the sum (resp. The difference) of the distances from any point of an ellipse (resp. Of a hyperbola) to the foci is … “data-url =” “data-more =” Read more “>foyer The epidemic is an increase in an endemic disease or the appearance of a large number of patients where the disease was … “data-url =” / definitions / vie-epidemie-3837 / “data-more =” Read more “>epidemic, the map shows the level of connection with the rest of the country or the world. This also makes it possible to estimate the places most at risk of becoming secondary homes.

A survey to follow the evolution of the virus

The social network also partners with teams of researchers around the world. He works in particular with Carnegie-Mellon University in the United States to follow the evolution of the Symptom Examples
Symptoms can affect different organs:
muscle, joint pain, headache, digestive problems, vision problems, rashes … “data-image =” /e882bacd5b_96032_symptome-femme-mal-tete.jpg “data-url =” “data-more =” Read more “>symptoms in the country. Through this partnership, Facebook will invite American users to respond to a survey about their symptoms. It should make it possible to monitor the progress of the epidemic, but also to help predict the end of confinement.

All data is anonymized and compiled to protect privacy. Facebook ensures that the different tools allow researchers to follow general population trends at the level of a city or region, but not to identify individuals.

Google shares user location data to fight coronavirus

Article by Fabrice Auclert published on 04/30/2020

In 131 countries, Google and Alphabet
Since August 2015, Google has become the subsidiary of the parent company Alphabet. This … “data-image =” “data-url =” https: // news / tech / definitions / archynewsy-archynewsy-3987 / “data-more =” Read more “>Google has decided to lift the secrecy of geolocation data so that scientists and governments can follow the epidemic of coronavirus and see the effectiveness of containment.

LikeOrange, in France, and other operators around the world, Google can track its millions, if not billions, of users. How? ‘Or’ What ? Quite simply thanks to the chip GPS of their smartphone, linked to the use of Google Maps, its application of geolocation. A “tracking” which today becomes an essential tool for researchers, doctors and scientists during this coronavirus crisis, and Google announced that it had decided to share user data in 131 countries and that represents billions of smartphones!

This represents a huge unit of mass: the kilogram
The mass is represented by the symbol m and, in … “data-image =” “data- url = “” data-more = “Read more”>mass of population. Starting today, Google gives everyone access to analyzes of people’s movements (“ COVID-19 Community Mobility Reports “), And on the first results of the measures to combat pandemic, whether it be confinement, teleworking or even the ban on movement across a country. For each country or region, the data are represented in the form of graphs, and they make it possible to compare the influx of the past few weeks in different places such as stations, the metro but also shopping centers and pharmacies.

A region by region report for France

For France, we can download 10 page PDF, and region by region, we can see the effects of containment measures on the movement of people. We can thus observe that trips to his neighborhood have increased, and that conversely, trips to workplaces or to parks have decreased very significantly. It is up to scientists and governments to draw conclusions and correlate this raw data with figures for coronavirus infection in these same regions.

For those who fear for the publication and sharing of private data, Google ensures that the reports use compiled and anonymized data: only the data of people who have activated Location History are integrated in the Google Maps settings. If you don’t want Google integrates your trips, go to the Google page – My activity, then click on “Activity commands”, and deactivate the options “Activity on the Internet offers three basic types of services: …” data-image = “https: // “data-url =” -3983 / “data-more =” Read more “>Web and applications “and” Location history “.

48 to 72 hour accuracy

Intended for governments, researchers and scientists, these reports display trends over several weeks, with the most recent data collected within 48 to 72 hours. In the coming weeks, Google will add more countries and regions to ensure its reports are useful to public health officials around the world who are looking to protect people from the spread of COVID-19. Once the epidemic is contained, Google ensures that its reports and the site will no longer be online, and that it will stop the aggregation of data.

In this video, Google recalls the purpose of location history in Google Maps. © Google

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