Crowdsourcing On-street Parking Space Detection


Paper by Ruizhi Liao et al in: “As the number of vehicles continues to grow, parking spaces are at a premium in city streets. Additionally, due to the lack of knowledge about street parking spaces, heuristic circling the blocks not only costs drivers’ time and fuel, but also increases city congestion. In the wake of recent trend to build convenient, green and energy-efficient smart cities, we rethink common techniques adopted by high-profile smart parking systems, and present a user-engaged (crowdsourcing) and sonar-based prototype to identify urban on-street parking spaces. The prototype includes an ultrasonic sensor, a GPS receiver and associated Arduino micro-controllers. It is mounted on the passenger side of a car to measure the distance from the vehicle to the nearest roadside obstacle. Multiple road tests are conducted around Wheatley, Oxford to gather results and emulate the crowdsourcing approach. By extracting parked vehicles’ features from the collected trace, a supervised learning algorithm is developed to estimate roadside parking occupancy and spot illegal parking vehicles. A quantity estimation model is derived to calculate the required number of sensing units to cover urban streets. The estimation is quantitatively compared to a fixed sensing solution. The results show that the crowdsourcing way would need substantially fewer sensors compared to the fixed sensing system…(More)”

Ideas Help No One on a Shelf. Take Them to the World


Tina Rosenberg at The New York Times: “Have you thought of a clever product to mitigate climate change? Did you invent an ingenious gadget to light African villages at night? Have you come up with a new kind of school, or new ideas for lowering the rate of urban shootings?

Thanks, but we have lots of those.

Whatever problem possesses you, we already have plenty of ways to solve it. Many have been rigorously tested and have a lot of evidence behind them — and yet they’re sitting on a shelf.

So don’t invent something new. If you want to make a contribution, choose one of those ideas — and spread it.

Spreading an idea can mean two different things. One is to take something that’s working in one place and introduce it somewhere else. If you want to reduce infant mortality in Cleveland, why not try what’s working in Baltimore?

Well, you might not know about what’s working because there’s no quick system for finding it.

Even when a few people do search out the answer, innovative ideas don’t spread by themselves. To become well known, they require effort from their originators. For example, a Bogotá, Colombia, maternity hospital invented Kangaroo Care — a method of keeping premature babies warm by strapping them 24/7 to Mom’s chest. It saved a lot of lives in Bogotá. But what allowed it to save lives around the world was a campaign to spread it to other countries.

The Colombians established Fundación Canguro and got grants from wealthy countries to bring groups of doctors and nurses from all over to visit Bogotá for two or three weeks.  Once the visitors had gone back and set up a program in their hospital, the foundation loaned them a doctor and nurse to help get them started. Save the Children now leads a global partnership to spread Kangaroo Care, with the goal of reaching half the world.

In short, this work requires dedicated organizations, a smart program and lots of money.

The other meaning of spreading an idea is creating ways to get new inventions out to people who need them.

“When I talk to college students or anyone who’s thinking about entrepreneurship or targeting global poverty, the gadget is where 99 percent of people start thinking,” said Nicholas Fusso, the director of D-Prize (its slogan: “Distribution is development”).  “That’s important — but the biggest problems in the poverty world aren’t a lack of gadgets or new products. It’s figuring out how people can have access to them.” So D-Prize gives seed money, in chunks of $10,000 to $20,000, to tiny new organizations that have good ideas for how to distribute useful things.

This analysis may be familiar to regular readers of Fixes. Indeed, the first Fixes column, more than five years ago, focused on distribution: getting health care to people in rural Africa by putting health care workers on motorcycles and keeping the bikes running….

Philanthropists and government aid agencies are only starting to get interested in the challenges of distribution — one new philanthropy that does have this focus is Good Ventures. As for academia, it still rewards invention almost exclusively. “There’s a lot of attention and award-giving and prize-giving and credit to people who come up with fancy new ideas instead of reaching people and having impact,” said Brodbar. “The incentives aren’t aligned. The culture of social entrepreneurship needs to change.”

Recognizing the true value of spreading an idea would also allow people who aren’t inventors (which is most of us) to get involved in social change. “The notion that if you want to engage in [social entrepreneurship] you have to have the big idea does a disservice to this space and people who want to play a role in it,” said Brodbar. “It’s a much wider front door.”…(More)

Facebook Is Making a Map of Everyone in the World


Robinsion Meyer at The Atlantic: “Americans inhabit an intricately mapped world. Type “Burger King” into an online box, and Google will cough up a dozen nearby options, each keyed to a precise latitude and longitude.

But throughout much of the world, local knowledge stays local. While countries might conduct censuses, the data doesn’t go much deeper than the county or province level.

Take population data, for instance: More than 7.4 billion humans sprawl across this planet of ours. They live in dense urban centers, in small towns linked by farms, and alone on the outskirts of jungles. But no one’s sure where, exactly, many of them live.

Now, Facebook says it has mapped almost 2 billion people better than any previous project. The company’s Connectivity Labs announced this week that it created new, high-resolution population-distribution maps of 20 countries, most of which are developing. It won’t release most of the maps until later this year,but if they’re accurate, they will be the best-quality population maps ever made for most of those places.

The maps will be notable for another reason, too: If they’re accurate, they ‘ll signal the arrival of a new, AI-aided age of cartography.

In the rich world, reliable population information is taken for granted.  But elsewhere, population-distribution maps have dozens of applications in different fields. Urban planners need to estimate city density so they can place and improve roads. Epidemiologists and public-health workers use them to track outbreaks or analyze access to health care. And after a disaster, population maps can be used (along with crisis mapping) to prioritize where emergency aid gets sent….(More)

The 4 Types of Cities and How to Prepare Them for the Future


John D. Macomber at Harvard Business Review: “The prospect of urban innovation excites the imagination. But dreaming up what a “smart city” will look like in some gleaming future is, by its nature, a utopian exercise. The messy truth is that cities are not the same, and even the most innovative approach can never achieve universal impact. What’s appealing for intellectuals in Copenhagen or Amsterdam is unlikely to help millions of workers in Jakarta or Lagos. To really make a difference, private entrepreneurs and civic entrepreneurs need to match projects to specific circumstances. An effective starting point is to break cities into four segments across two distinctions: legacy vs. new cities, and developed vs. emerging economies. The opportunities to innovate will differ greatly by segment.

Segment 1: Developed Economy, Legacy City
Examples: London, Detroit, Tokyo, Singapore

Characteristics: Any intervention in a legacy city has to dismantle something that existed before — a road or building, or even a regulatory authority or an entrenched service business. Slow demographic growth in developed economies creates a zero-sum situation (which is part of why the licensed cabs vs Uber/Lyft contest is so heated). Elites live in these cities, so solutions arise that primarily help users spend their excess cash. Yelp, Zillow, and Trip Advisor are examples of innovations in this context.
Implications for city leaders: Leaders should try to establish a setting where entrepreneurs can create solutions that improve quality of life — without added government expense. …

Implications for entrepreneurs: Denizens of developed legacy cities have discretionary income. …

Segment 2: Emerging Economy, Legacy City
Examples: Mumbai, São Paolo, Jakarta

Characteristics: Most physical and institutional structures are already in place in these megacities, but with fast-growing populations and severe congestion, there is an opportunity to create value by improving efficiency and livability, and there is a market of customers with cash to pay for these benefits.

Implications for city leaders: Leaders should loosen restrictions so that private finance can invest in improvements to physical infrastructure, to better use what already exists. …

Implications for entrepreneurs: Focus on public-private partnerships (PPP). …

Segment 3: Emerging Economy, New City
Examples: Phu My Hung, Vietnam; Suzhou, China; Astana, Kazakhstan; Singapore (historically)

Characteristics: These cities tend to have high population growth and high growth rates in GDP per capita, demographic and economic tailwinds that help to boost returns. The urban areas have few existing physical or social structures to dismantle as they grow, hence fewer entrenched obstacles to new offerings. There is also immediate ROI for investments in basic services as population moves in, because they capture new revenues from new users. Finally, in these cities there is an important chance to build it right the first time, notably with respect to the roads, bridges, water, and power that will determine both economic competitiveness and quality of life for decades. The downside? If this chance is missed, new urban agglomerations will be characterized by informal sprawl and new settlements will be hard to reach after the fact with power, roads, and sanitation.
Implications for city leaders: Leaders should first focus on building hard infrastructure that will support services such as schools, hospitals, and parks. …

Implications for entrepreneurs: In these cities, it’s too soon to think about optimizing existing infrastructure or establishing amusing ways for wealthy people to spend their disposable income. …

Segment 4: Developed Economy, New City
Examples and characteristics: Such cities are very rare. All the moment, almost all self-proclaimed “new cities” in the developed world are in fact large, integrated real-estate developments with an urban theme, usually in close proximity to a true municipality. Examples of these initiatives include New Songdo City in South Korea, Masdar City in Abu Dhabi, and Hafen City Hamburg in Germany.

Implications for city leaders: These satellites of existing metropolises compete for jobs and to attract talented participants in the creative economy. ….

Implications for entrepreneurs: Align with city leaders on services that are important to knowledge workers, and help build the cities’ brand. ….

Cities are different. So are solutions….(More)

Cities in the 21st Century


Book edited by Oriol Nel-lo and Renata Mele: “Cities in the 21st Century provides an overview of contemporary urban development. Written by more than thirty major academic specialists from different countries, it provides information on and analysis of the global network of cities, changes in urban form, environmental problems, the role of technologies and knowledge, socioeconomic developments, and finally, the challenge of urban governance.

In the mid-20th century, architect and planner Josep Lluís Sert wondered if cities could survive; in the early 21st century, we see that cities have not only survived but have grown as never before. Cities today are engines of production and trade, forges of scientific and technological innovation, and crucibles of social change. Urbanization is a major driver of change in contemporary societies; it is a process that involves acute social inequalities and serious environmental problems, but also offers opportunities to move towards a future of greater prosperity, environmental sustainability, and social justice.

With case studies on thirty cities in five continents and a selection of infographics illustrating these dynamic cities, this edited volume is an essential resource for planners and students of urbanization and urban change….(More)”

#BuildHereNow


Crowdsourcing Campaign by Strong Towns: “Nearly every urban neighborhood in this country — whether small town or big city — has properties that could use a little love. This week at Strong Towns we’re talking about the federal rules that have made that love difficult to find, tilting the playing field so that capital and expertise flow away from walkable, mixed-use neighborhoods. Over eighty years of this distortion has created a lot of opportunity for Americans to make good, high-returning investments in our core cities and neighborhoods.

WE NEED YOUR HELP TO SHOW JUST HOW MUCH POTENTIAL IS OUT THERE.

We all know that empty lot, that underutilized building, that is just waiting for the right person to come along and knit it back into the fabric of the neighborhood. Imagine that right person could actually get the financing — that the rules weren’t rigged against them — and all they needed was your encouragement. This week, let’s provide that encouragement.

Let’s shine a huge spotlight on these spaces. They don’t need expensive utilities, a new road or a tax subsidy. They just need a fair shake.

HOW CAN I PARTICIPATE?

  • Get outside and take pictures of the vacant or underutilized properties in your town.
  • Upload your photos to Twitter or Instagram with the hashtag #BuildHereNow
  • Bonus points if you include the location and a suggestion of what you would like to see built there. (Note that turning on location services will also greatly aid us in mapping out these posts all over the country.)…(More)”

Data Collaboratives: Matching Demand with Supply of (Corporate) Data to solve Public Problems


Blog by Stefaan G. Verhulst, IrynaSusha and Alexander Kostura: “Data Collaboratives refer to a new form of collaboration, beyond the public-private partnership model, in which participants from different sectors (private companies, research institutions, and government agencies) share data to help solve public problems. Several of society’s greatest challenges — from climate change to poverty — require greater access to big (but not always open) data sets, more cross-sector collaboration, and increased capacity for data analysis. Participants at the workshop and breakout session explored the various ways in which data collaborative can help meet these needs.

Matching supply and demand of data emerged as one of the most important and overarching issues facing the big and open data communities. Participants agreed that more experimentation is needed so that new, innovative and more successful models of data sharing can be identified.

How to discover and enable such models? When asked how the international community might foster greater experimentation, participants indicated the need to develop the following:

· A responsible data framework that serves to build trust in sharing data would be based upon existing frameworks but also accommodates emerging technologies and practices. It would also need to be sensitive to public opinion and perception.

· Increased insight into different business models that may facilitate the sharing of data. As experimentation continues, the data community should map emerging practices and models of sharing so that successful cases can be replicated.

· Capacity to tap into the potential value of data. On the demand side,capacity refers to the ability to pose good questions, understand current data limitations, and seek new data sets responsibly. On the supply side, this means seeking shared value in collaboration, thinking creatively about public use of private data, and establishing norms of responsibility around security, privacy, and anonymity.

· Transparent stock of available data supply, including an inventory of what corporate data exist that can match multiple demands and that is shared through established networks and new collaborative institutional structures.

· Mapping emerging practices and models of sharing. Corporate data offers value not only for humanitarian action (which was a particular focus at the conference) but also for a variety of other domains, including science,agriculture, health care, urban development, environment, media and arts,and others. Gaining insight in the practices that emerge across sectors could broaden the spectrum of what is feasible and how.

In general, it was felt that understanding the business models underlying data collaboratives is of utmost importance in order to achieve win-win outcomes for both private and public sector players. Moreover, issues of public perception and trust were raised as important concerns of government organizations participating in data collaboratives….(More)”

Technology and the Future of Cities


Mark Gorenberg, Craig Mundie, Eric Schmidt and Marjory Blumenthal at PCAST: “Growing urbanization presents the United States with an opportunity to showcase its innovation strength, grow its exports, and help to improve citizens’ lives – all at once. Seizing this triple opportunity will involve a concerted effort to develop and apply new technologies to enhance the way cities work for the people who live there.

A new report released today by the President’s Council of Advisors on Science and Technology (PCAST), Technology and the Future of Cities, lays out why now is a good time to promote technologies for cities: more (and more diverse) people are living in cities; people are increasingly open to different ways of using space, living, working, and traveling across town; physical infrastructures for transportation, energy, and water are aging; and a wide range of innovations are in reach that can yield better infrastructures and help in the design and operation of city services.

There are also new ways to collect and use information to design and operate systems and services. Better use of information can help make the most of limited resources – whether city budgets or citizens’ time – and help make sure that the neediest as well as the affluent benefit from new technology.

Although the vision of technology’s promise applies city-wide, PCAST suggests that a practical way for cities to adopt infrastructural and other innovation is by starting in a discrete area  – a district, the dimensions of which depend on the innovation in question. Experiences in districts can help inform decisions elsewhere in a given city – and in other cities. PCAST urges broader sharing of information about, and tools for, innovation in cities.

Such sharing is already happening in isolated pockets focused on either specific kinds of information or recipients of specific kinds of funding. A more comprehensive City Web, achieved through broader interconnection, could inform and impel urban innovation. A systematic approach to developing open-data resources for cities is recommended, too.

PCAST recommends a variety of steps to make the most of the Federal Government’s engagement with cities. To begin, it calls for more – and more effective – coordination among Federal agencies that are key to infrastructural investments in cities.  Coordination across agencies, of course, is the key to place-based policy. Building on the White House Smart Cities Initiative, which promotes not only R&D but also deployment of IT-based approaches to help cities solve challenges, PCAST also calls for expanding research and development coordination to include the physical, infrastructural technologies that are so fundamental to city services.

A new era of city design and city life is emerging. If the United States steers Federal investments in cities in ways that foster innovation, the impacts can be substantial. The rest of the world has also seen the potential, with numerous cities showcasing different approaches to innovation. The time to aim for leadership in urban technologies and urban science is now….(More)”

The Geography of Cultural Ties and Human Mobility: Big Data in Urban Contexts


Wenjie Wu Jianghao Wang & Tianshi Dai  in Annals of the American Association of Geographers: “A largely unexplored big data application in urban contexts is how cultural ties affect human mobility patterns. This article explores China’s intercity human mobility patterns from social media data to contribute to our understanding of this question. Exposure to human mobility patterns is measured by big data computational strategy for identifying hundreds of millions of individuals’ space–time footprint trajectories. Linguistic data are coded as a proxy for cultural ties from a unique geographically coded atlas of dialect distributions. We find that cultural ties are associated with human mobility flows between city pairs, contingent on commuting costs and geographical distances. Such effects are not distributed evenly over time and space, however. These findings present useful insights in support of the cultural mechanism that can account for the rise, decline, and dynamics of human mobility between regions….(More)”

The city as platform


The report of the 2015 Aspen Institute Roundtable on Information Technology: “In the age of ubiquitous Internet connections, smartphones and data, the future vitality of cities is increasingly based on their ability to use digital networks in intelligent, strategic ways. While we are accustomed to thinking of cities as geophysical places governed by mayors, conventional political structures and bureaucracies, this template of city governance is under great pressure to evolve. Urban dwellers now live their lives in all sorts of hyper-connected virtual spaces, pulsating with real-time information, intelligent devices, remote-access databases and participatory crowdsourcing. Expertise is distributed, not centralized. Governance is not just a matter of winning elections and assigning tasks to bureaucracies; it is about the skillful collection and curation of information as a way to create new affordances for commerce and social life.

Except among a small class of vanguard cities, however, the far-reaching implications of the “networked city” for economic development, urban planning, social life and democracy, have not been explored in depth. The Aspen Institute Communications and Society Program thus convened an eclectic group of thirty experts to explore how networking technologies are rapidly changing the urban landscape in nearly every dimension. The goal was to learn how open networks, onlinecooperation and open data can enhance urban planning and administration, and more broadly, how they might improve economic opportunity and civic engagement. The conference, the 24th Annual Aspen Roundtable on Information Technology, also addressed the implications of new digital technologies for urban transportation, public health and safety, and socio-economic inequality….(Download the InfoTech 2015 Report)”