Data is a set of values of qualitative or quantitative variables. An example of qualitative data would be an anthropologist's handwritten notes about his or her interviews with indigenous people. Pieces of data are individual pieces of information. While the concept of data is commonly associated with scientific research, data is collected by a huge range of organizations and institutions, including businesses (e.g., sales data, revenue, profits, stock price), governments (e.g., crime rates, unemployment rates, literacy rates) and non-governmental organisations (e.g., censuses of the number of homeless people by non-profit organizations).


We spoke to Alain about his role in helping to construct the SySTEM 2020 map, that uses the data gathered in the project.


Larisa Blazic is a London-based artist, feminist hacker and educator. She is currently artist in residence at the DECODE project.


Two pilots are being developed and tested in the Netherlands that make use of 'attribute-based credentials'. What are these?


In recent months, the municipality of Amsterdam has experimented with new forms of digital identity and the sharing of personal data.


What is the effect of algorithms on our society? Intern Mark van Koningsveld did research with Tinder chatbots that put users in a box.


The privacy policies of none of 14 large tech companies, such as Facebook, Google or Amazon, meet the new European privacy law yet.


The Tada manifest forms the foundation of the new digital policy of the City of Amsterdam. Waag was one of the initiators and contributors.


What going on with 'deepfakes'? We're speaking with Jeanine Reutemann to see if there is a reason to worry here.


For one night Waag was turned into a privacy casino. Hannah reports on the Black Box Bellagio.


Elodie Mugrefya, intern at Waag, visited the Beyond Data event in Eindhoven and was surprised in many ways.


Tada! Data. They are a promise for life in the city. With data we can tackle major problems.


Stories about personal data - many of which may feature your own personal data - are hitting the headlines daily, from the Equifax data breach and hacking of T-Mobile, to the hundreds of pages of data stored by Tinder about each of its users.


A guest blog by Cira Pérez Barés about the 'We are data' event at Pakhuis de Zwijger. About the powerful force of data and sensory substitution.


At the end of May 2015, Laura Poitras’ film CitizenFour will be shown in the Dutch cinemas. This absorbing documentary follows film-maker Laura Poitras and journalist Glenn Greenwald as they make contact with the whistleblower and unleash a media storm.


Our health data might be the most valuable data ever; therefore creating trustworthy eHealth services is crucial.


Will more data allow us to improve policy responses to humanitarian crises and violent conflicts?


Een nieuwe interactieve censuurkaart van IVPN geeft een overzicht van de wereldwijde situatie. Door op een land te klikken krijg je snel inzicht waar de vrije meningsuiting online in het geding is en waar critici de mond wordt gesnoerd.


At the hackers conference eth0 in Leeuwarden was announced that the Dutch government is developing its own open source alternative for Dropbox under the name LocalBox.. The most important difference will be that all documents are stored at loval servers and not in the United States.


How does a seventeen year old look at issues like collecting (personal) data and privacy?


What is the noise intensity level in Amsterdam? In the past months, citizens in Amsterdam have measured their environment.


The atlas of energy labels puts all buildings in The Netherlands and their respective energy labels on the map. Developers Bert Spaan and Taco van Dijk and project manager Job Spierings of Waag have developed the online interactive version.


On February 13th, the kick-off of the public transport open data challenge took place. An interview withJoost van Os.


In my quest to find out what the government knows about its citizens, I found a large number of organisations and databases that I did not know that they existed. Mapping those databases is a time consuming task, that will keep me busy for some time. But certainly the government does not host al data itself. Many of our personal data collected by companies and the digital trail that we leave on the Internet is also of interest.


Thanks to the challenge Open Data FWD, a lot of new mobility data became available for Amsterdam. Within this challenge, Waag and the DIVV Amsterdam are looking for open data applications that address urban mobility issues. Time for an update.


On Wednesday March 19th, twenty children between 8 and 12 years old participated in CryptoKids #2: a cryptoparty where we (Waag, Bits of Freedom and Network Democratie) try to explain the principles behind the Internet and of the importance of privacy to the children.


On February 25, 2014 the first Smart Citizen Kit Install Party took place: a 'man only' event with tech-savvy people.


Put the settings of Facebook and WhatsApp together and you can easily conclude that this leads to an even greater insight and use of your personal data.


The project Open Data FWD is all about accessible cities through open data. The main results of the kick-off event can be found here.


Crowded bike racks, dangerous intersections, driving around or ages looking for a parking space for your car or waiting for a bus only to find out that the schedule has changed... Recognizable and irritating situations for many, but also opportunities for improvement! Because new digital concepts or applications can help solve these urban problems. Enter the challenge Open Data FWD.


Cameron Beccario, a software engineer, created an interactive map that shows near real-time currents of Earth’s wind using data from the U.S. National Weather Service, the 'Earth Wind Map'.


With our computers and mobile devices we are generating a huge amount of data, even by just being connected to mobile networks and the internet. Governments and companies are very interested in our data and approriate our data without our explicit consent. One way to raise awareness of the possible technical solutions to protect yourself online is organizing a so-called CryptoParty.


The Open Data NEXT congress in The Hague was 'sold out' within days after its announcement. The annual congress, organized by the Ministry of Internal Affairs does give us a dood overview of the current position of Open data and the government.


During Talking data @ Fablab Amsterdam on Saturday 21 September we worked on tangible data visualisations, made with software developed by Bert Spaan and Laurens Schuurkamp and the digital machines of the Fablab Amsterdam. It produces very personal objects of your story, wearables in the form of an earring, a hanger or printed on a t-shirt.


The City of Istanbul has installed the CitySDK API and seized the moment to release new datasets.


Digital Delta is a 12-month research program investigating how to integrate and analyze water data in order to reduce these costs by 20-30%. The project involves amongst others Rijkswaterstaat, IBM, the Delfland Water Board, TU Delft and Deltares.


During the Hackathon on 29 June at the City of Amsterdam, the (prototype) app 'HuisMatch' (HouseMatch) was awarded as the best app developed on the CitySDK mobility-API. Time to find out what this app can do!


Waag has developed the CitySDK open API, together with the City of Amsterdam. In the API, several data sets are linked (static and realtime), connected to the Open Street Map.


Suzanne Heerschop about the third edition of Big, Open & Beautiful at Pakhuis de Zwijger, where three speaker answered to the statement “I share, therefore I am”.


In 2012, the cultural organisations at the Leidseplein (Stadsschouwburg, Paradiso, De Melkweg, De Balie, Theater Bellevue and Amsterdams Uitburo) and the Concertgebouw switched to the optical fibre network of Culture Grid.


How far do we want to go in sharing our personal data online? Or would you rather keep your data private so you can have more control? Do you still own your identity in a virtual environment? And do our privacy laws also function in the virtual world?


The website of the Drents Archive and 7scenes has been chosen by a professional jury to be the best history website of 2012! As such, AnnoDrenthe has received the prestigious History Online Award.


A phonebook, brick, pudding mold, sieve and a silk scarf: that's what you need to get good data visualizations. At least, according to Liz Turner, one of the speakers at the first edition of ‘Big, Open & Beautiful: all about data.’


The Wikimedia Foundation has launched its 12th official project: Wikivoyage (, a free, worldwide, online travel guide. Like Wikipedia and its sister projects, Wikivoyage is free to edit, free of ads, and built collaboratively by volunteers from around the globe.


Job Spiering visited the fourth meeting of the Smart City SDK project in Istanbul. In search of the needs, local customs and available data sets that are of importance for the development of a mobility app.


On 22 August 2012, I gave a presentation about Open Cities (and Apps voor Amsterdam) at the Campus Party in Berlin. Campus Party exists since 1997 and has grown into a large festival where thousands of hackers, developers, startups and geeks. The travelling event this year took the former airport Berlin-Tempelhof as it's residence for the many tents of the Campuseros and ten stages. It offered keynotes by Paul Coello, Tim Berners-Lee, Don Tapscott en Yossi Vardi.


On Monday 4 June 2012, within the framework of Apps for Amsterdam, an Waag Open Space was held at the Waag in Amsterdam. About 60 developers and entrepreneurs came together to discuss 'Apps and Business'.


SURFnet and Waag have announced the five winners or the 4K-video contest for higher education and research in The Netherlands.