The Intelligent IoT Integrator (I3) is a community data exchange marketplace platform being developed at the University of Southern California, with support from the City of LA and other organizations, to help enable an exchange of real-time IoT data for smart cities (see for details). While the I3 platform itself is still under development, for developers working on the MOBI Citopia grand challenge in 2019, we are pleased to provide a sandbox pre-release alpha instance of I3 that they can use to publish and subscribe to diverse IoT data streams as a potential component of their submissions. As an example use case, one can imagine a congestion pricing application for Citopia that is driven from IoT data feeds obtained from I3, summarizing the current, live traffic condition on a given road stretch.

Our sandbox pre-release alpha version for I3 can currently be found at along with tutorial technical documentation. Technically, I3 includes both a web-based marketplace and a publish-subscribe broker. The web-marketplace is where data products can be posted by "sellers" and browsed and selected by "buyers" and can be accessed both manually through the site and automatically through a REST API. Although it allows sellers to specify the unit price of data, real payment channels are currently disabled in I3. The publish-subscribe system is based on MQTT, and can be accessed through MQTT SDK's as well as a REST-based wrapper. For maximum flexibility, I3 is agnostic to the data model being used, the data streams sent over I3 can be in any JSON-formatted model, with the seller posting information on the particular data format/model used so that the buyer knows how to interpret the feed they subscribe to. Currently, as it is built on top of MQTT which is intended for more lightweight IoT applications, I3 does not support heavy-duty data streams such as videos.

Developers may also find other relevant open data sets from Los Angeles through the DataLA website: 

Technical Contacts:

Gowri Ramachandran,
Kurian Karyakulam,

Ocean Protocol's mission is to free data from silos and empower people by equalizing data access for all. With our headquarters in Singapore, they managed to leverage the brilliant sandbox environment that the local government has created and, as a result, established several meaningful partnerships with leaders across multiple industries as we work to develop impactful applications in support of Singapore Smart Nations building efforts. Our partner organizations include the Info-Communications Media Development Authority of Singapore (IMDA), AI Singapore, and SGInnovate.

Developers can access mobility data from Singapore through the resources listed below:

  • Land Transport DataMall(static and dynamic data), LTA publishes a wide variety of land transport-related datasets on DataMall for enterprises, third-party developers, researchers, and other members of the public to promote collaboration and co-creation of innovative and inclusive transport solutions.
  • Urban Redevelopment Authority, URA publishes URA related data for public use and is available for download for the creation, development and testing of innovative applications by third party.
  • Department of Statistics Singapore, The SingStat Table Builder contains statistical data series from 60 public sector agencies providing a comprehensive statistical view of Singapore’s economic and socio-demographic characteristics.
  • OneMap,the authoritative national map of Singapore with the most detailed and timely updated information developed by the Singapore Land Authority.
  • Monetary Authority of Singapore, MAS is the central bank of Singapore. Their mission is to promote sustained non-inflationary economic growth, and a sound and progressive financial center.

Pune Smart City Development Corporation Limited: Pune Smart City Development Corporation Limited Pune is not only one of the largest cities in India but is also the second largest city in the state of Maharashtra. Pune Smart City Development Corporation Limited (PSCDCL), a Special Purpose Vehicle (SPV) set up in 2016 to implement the Pune Smart City Plan, has implemented and operationalized the Smart Elements project with a primary purpose of building an ecosystem of city-wide ‘Network of Smart Elements’ which comprises of Smart Devices, Smart Sub-Systems, and Wi-Fi Network. At the heart of this project is the Smart City Command & Control Centre. There are over 1000+ IoT devices commissioned as part of this initiative all of which have been integrated with the Smart City Command & Control Centre. Furthermore, several pan-city government applications have been integrated too including the CCTV surveillance camera network and others. More city-based applications are proposed to be integrated. The list of smart elements includes, but not limited to, the following: 1. Environment Sensors 2. Flood Sensors 3. Wi-Fi Hotspots 4. Tracking of Pune municipal corporation’s vehicles 5. Tracking and Live status of Public transport vehicles 6. Emergency Call Boxes 7. Street Light Feeders PSCDCL also encourages the creation and development of the local economy by providing citizens an option to build solutions on the data being captured from the smart elements and subsystems. To facilitate this, the data from various systems and devices are captured into a common platform that is used for command and control. The same data has also been exposed to the outside world for secured consumption on a staging instance. The live data from devices and systems along with one year of historical data is available in the staging instance and can be accessed through API’s created for a specific type of data. The list of API’s and methods to access the same is provided in As a standard, data gathered from these smart elements are exposed as JSON content through Open APIs which can be accessed using HTTP/REST. The data is secured and can be accessed either as the time series data points for historical analysis or as the current snapshot for real-time tracking. The access to staging instance data through APIs will be provided to all entities registered with PSCDCL. The purpose of providing access to this data was to ensure citizen partnership in decision making, collaboration with city authorities and ultimately making Pune a better place to live. Manojit Bose (Chief Knowledge Officer)

The City of West Hollywood’s Open Data portal is an effort to provide highly detailed city information in an easy-to-use way.  The City intends for information to be simple to access and useful for a wide range of audiences; from the average citizen to application developers building new mobile apps. It is the City’s hope that access to this portal will result in a more informed constituency and ultimately lead to greater community engagement.

The Open Data portal include data sets related to a variety of City functions, including:

 Arts programming;

 Regulatory licenses for businesses;

 Capital improvement projects;

 City contracts and agreements;

 City expenses;

 Film and entertainment production;

 Rent stabilization and housing;

 Parking enforcement;

 City revenues;

 Special events; and

 Engineering and traffic

For Questions, please contact Rony Fozoonmehr, Systems Engineer Supervisor,


Visit for more information.