21,458 research outputs found
Realizing a social ecosystem of web services
© Springer Science+Business Media New York 2014. All rights are reserved. The success in Web services goes well beyond the building of loosely-coupled, interoperable software components. Nowadays, large-scale collaboration through social media (e.g., social networks) and new generation of serviceoriented software have spurred the growth of Web service ecosystems. This chapter discusses how a social ecosystem of Web services can be realized by defining first, the necessary actors that take part in this ecosystem formation and second, the interactions that occur between these actors during this ecosystem management. Such ecosystem permits to track who does what and where and when it is done. Compared to (regular) Web services, Web services in a social ecosystem take different actions that allow them, for instance to establish and maintain networks of contacts with other peers and to form with some peers strong and long lasting collaborative groups. The actors in the ecosystem are referred to as providers of Web services, providers of social networks of Web services, consumers of Web services, and providers of social networks of consumers. They all engage in different types of interactions like making Web services sign up in social networks of Web services, supporting users seek advices from existing members in a social network of consumers, and combining social networks of consumers and of Web services to achieve users\u27 requests. Existing research initiatives on social Web services as well as open issues in the development of a social ecosystem of (social) Web services are also discussed in this chapter
Linking Audiences to News: A Network Analysis of Chicago Websites
The mass media model, which sustained news and information in communities like Chicago for decades, is being replaced by a "new news ecosystem" consisting of hundreds of websites, podcasts, video streams and mobile applications. In 2009, The Chicago Community Trust set out to understand this ecosystem, assess its health and make investments in improving the flow of news and information in Chicagoland. The report you are reading is one of the products of the Trust's local information initiative, Community News Matters. "Linking Audiences to News: A Network Analysis of Chicago Websites" is one of the first -- perhaps the first -- research projects seeking to understand a local
Cultivating Partnerships/Realizing Diversity
Academic librarians should not only seek methods for continuous learning about an increasingly diverse college student body, they are encouraged to pursue partnerships with campus agencies that work directly with students, especially those charged with building a diverse community of students. The authors present two examples to illustrate strategies-in-action
Honey Sheets: What Happens to Leaked Google Spreadsheets?
Cloud-based documents are inherently valuable, due to the volume and nature
of sensitive personal and business content stored in them. Despite the
importance of such documents to Internet users, there are still large gaps in
the understanding of what cybercriminals do when they illicitly get access to
them by for example compromising the account credentials they are associated
with. In this paper, we present a system able to monitor user activity on
Google spreadsheets. We populated 5 Google spreadsheets with fake bank account
details and fake funds transfer links. Each spreadsheet was configured to
report details of accesses and clicks on links back to us. To study how people
interact with these spreadsheets in case they are leaked, we posted unique
links pointing to the spreadsheets on a popular paste site. We then monitored
activity in the accounts for 72 days, and observed 165 accesses in total. We
were able to observe interesting modifications to these spreadsheets performed
by illicit accesses. For instance, we observed deletion of some fake bank
account information, in addition to insults and warnings that some visitors
entered in some of the spreadsheets. Our preliminary results show that our
system can be used to shed light on cybercriminal behavior with regards to
leaked online documents
Governing urban wetlands for green growth in the Western Region Megapolis of Sri Lanka
The Western Region Megapolis (WRM) of Sri Lanka, the conurbation associated with Greater Colombo and covering the entire Western Province, is the thriving economic center of the country. According to the State of Sri Lankan Cities 2018 report (GoSL 2018), the city accounts for 40% of Sri Lanka’s gross domestic product (GDP), 30% of its population and is the nation’s administrative center.
The WRM is also endowed with wetlands of international importance. This includes the Bellanwila-Attidiya marshes: a 370-ha freshwater marsh in southern Colombo rich in biodiversity (Box 1); the Colombo Flood Detention Area: a 400-ha network of marshes and canals that traverse the
DISCUSSION BRIEF
An aerial view of the city of Colombo in Sri Lanka with its network of wetlands supporting urban dwellers - A hub for green growth.
Photo: Martin Seemungal
city; and the Muthurajawela marsh: a 2,500-ha saltwater marsh in northern Colombo, which is the largest saline peat bog in Sri Lanka (IUCN and CEA 2006).
The aim of this brief is to support the efforts of the Government of Sri Lanka to leverage the WRM wetlands to foster green growth. Green growth promotes economic development alongside environmental sustainability, and is gaining traction as a model to achieve sustainable urban development globally (Hammer et al. 2011). According to OECD (2013: 9), governments promote green growth “to create jobs and attract firms and investment, while improving local environmental quality and addressing global environmental challenges, particularly climate change.
Safe and just operating spaces for regional social-ecological systems
Humanity faces a major global challenge in achieving wellbeing for all, while simultaneously ensuring that the biophysical processes and ecosystem services that underpin wellbeing are exploited within scientifically informed boundaries of sustainability. We propose a framework for defining the safe and just operating space for humanity that integrates social wellbeing into the original planetary boundaries concept (Rockström et al., 2009a,b) for application at regional scales. We argue that such a framework can: (1) increase the policy impact of the boundaries concept as most governance takes place at the regional rather than planetary scale; (2) contribute to the understanding and dissemination of complexity thinking throughout governance and policy-making; (3) act as a powerful metaphor and communication tool for regional equity and sustainability. We demonstrate the approach in two rural Chinese localities where we define the safe and just operating space that lies between an environmental ceiling and a social foundation from analysis of time series drawn from monitored and palaeoecological data, and from social survey statistics respectively. Agricultural intensification has led to poverty reduction, though not eradicated it, but at the expense of environmental degradation. Currently, the environmental ceiling is exceeded for degraded water quality at both localities even though the least well-met social standards are for available piped water and sanitation. The conjunction of these social needs and environmental constraints around the issue of water access and quality illustrates the broader value of the safe and just operating space approach for sustainable development
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