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Crowdmapping
Crowdmapping is a subtype of crowdsourcing by which aggregation of crowd-generated inputs such as captured communications and social media feeds are combined with geographic data to create a digital map that is as up-to-date as possible on events such as wars, humanitarian crises, crime, elections, or natural disasters. Such maps are typically created collaboratively by people coming together over the Internet. The information can typically be sent to the map initiator or initiators by SMS or by filling out a form online and are then gathered on a map online automatically or by a dedicated group. In 2010, Ushahidi released "Crowdmap" − a free and open-source platform by which anyone can start crowdmapping projects. Uses Crowdmapping can be used to track fires, floods, pollution, crime, political violence, the spread of disease and bring a level of transparency to fast-moving events that are difficult for traditional media to adequately cover, or problem areas and longer- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Situational Awareness
Situational awareness or situation awareness (SA) is the perception of environmental elements and events with respect to time or space, the comprehension of their meaning, and the projection of their future status. An alternative definition is that situation awareness is adaptive, externally-directed consciousness that has as its products knowledge about a dynamic task environment and directed action within that environment. However, while Endsley's definition is widespread, the theory and measures used to develop it do not attract widespread consensus. SA is a nebulous concept which shares many criticisms with those levelled at the idea of consciousness itself. An early criticism of the definition and model illustrates a reasoning fallacy which has yet to be addressed in the development of SA definition and theory: Situation awareness has been recognized as a critical, yet often elusive, foundation for successful decision-making across a broad range of situations, many of whic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crisis Mapping
Crisis mapping (also known as disaster mapping) is the real-time gathering, display and analysis of data during a crisis, usually a natural disaster or social/political conflict (violence, elections, etc.). Crisis mapping projects usually allows large numbers of people, including the public and crisis responders, to contribute information either remotely or from the site of the crisis. One benefit of the crisis mapping method over others is that it can increase situational awareness, since the public can report information and improve data management. Crisis mappers work with data that comes from diverse sources and can be produced for varying purposes. As such, there is some overlap with big data, international development, and community engagement. History One of the first major events to utilize crisis mapping was the 2010 Haiti earthquake, which killed and injured hundreds of thousands of people and left homes and infrastructure badly damaged. People who wanted to help ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ushahidi
Ushahidi is an open source software application which utilises user-generated reports to collate and map data. It uses the concept of crowdsourcing serving as an initial model for what has been coined as "activist mapping" - the combination of social activism, citizen journalism and geographic information. Ushahidi allows local observers to submit reports using their mobile phones or the Internet, creating an archive of events with geographic and time-date information. The Ushahidi platform is often used for crisis response, human rights reporting, and election monitoring. Ushahidi ( Swahili for "testimony", closely related to shahidi which means "witness") was created in the aftermath of Kenya's disputed 2007 presidential election that collected eyewitness reports of violence reported by email and text message and placed them on a Google Maps map. The Ushahidi platform has been used by the United Nations Department of Field Services and Peacekeeping, in response to the Haiti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sensor Journalism
Sensor journalism refers to the use of sensors to generate or collect data, then analyzing, visualizing, or using the data to support journalistic inquiry. This is related to but distinct from data journalism. Whereas data journalism relies on using historical or existing data, sensor journalism involves the creation of data with sensor tools. This also includes drone journalism. Background Examples of sensor-based journalism (below) date back to the early 2000s and usually involve the use of sensor tools to generate or collect data to be reported on. The way in which the sensors are deployed varies. In some cases, a journalist will learn how to operate and deploy a sensor (see Houston Chronicle) while in others (see WNYC Cicada Tracker), the sensors are built and deployed by the general public. Journalists can also request data from existing sensor networks (see Sun Sentinel example) and remote sensors (see ProPublica example). Sensors used for reporting can be closed source wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Safecast (organization)
Safecast is an international, volunteer-centered organization devoted to open citizen science for environmental monitoring. Safecast was established by Sean Bonner, Pieter Franken, and Joi Ito shortly after the Fukushima Daiichi nuclear disaster in Japan, following the Tōhoku earthquake on 11 March 2011 and manages a global open data network for ionizing radiation and air quality monitoring. The Safecast team, with help of International Medcom, Tokyo hackerspace, and other volunteers, has designed varioudevicesfor radiation mapping. Haiyan Zhang developed a widely used interactive map of radiation levels around Japan, and was a mapping consultant in the formative phase of Safecast. The Geiger counter-like devices developed include the bGeigie and bGeigie Nano for mobile applications (carborne and walking measurements) as well as fixed stations called Pointcast. Despite being a citizen science project, professional quality and scientific grade data was sought from the onset, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HealthMap
HealthMap is a freely accessible, automated electronic information system for monitoring, organizing, and visualizing reports of global disease outbreaks according to geography, time, and infectious disease agent. In operation since September 2006, and created by John Brownstein, PhD and Clark Freifeld, PhD, HealthMap acquires data from a variety of freely available electronic media sources (e.g. ProMED-mail, Eurosurveillance, Wildlife Disease Information Node) to obtain a comprehensive view of the current global state of infectious diseases. Users of HealthMap come from a variety of organizations including state and local public health agencies, the World Health Organization (WHO), the US Centers for Disease Control and Prevention, and the European Centre for Disease Prevention and Control. HealthMap is used both as an early detection system and supports situational awareness by providing current, highly local information about outbreaks, even from areas relatively invisible to tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crime
In ordinary language, a crime is an unlawful act punishable by a state or other authority. The term ''crime'' does not, in modern criminal law, have any simple and universally accepted definition,Farmer, Lindsay: "Crime, definitions of", in Cane and Conoghan (editors), ''The New Oxford Companion to Law'', Oxford University Press, 2008 (), p. 263Google Books). though statutory definitions have been provided for certain purposes. The most popular view is that crime is a category created by law; in other words, something is a crime if declared as such by the relevant and applicable law. One proposed definition is that a crime or offence (or criminal offence) is an act harmful not only to some individual but also to a community, society, or the state ("a public wrong"). Such acts are forbidden and punishable by law. The notion that acts such as murder, rape, and theft are to be prohibited exists worldwide. What precisely is a criminal offence is defined by the criminal law of ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geographic Data
Geographic data and information is defined in the ISO/TC 211 series of standards as data and information having an implicit or explicit association with a location relative to Earth (a geographic location or geographic position). It is also called geospatial data and information, georeferenced data and information, as well as geodata and geoinformation. Approximately 90% of government sourced data has a location component. Location information (known by the many names mentioned here) is stored in a geographic information system (GIS). There are also many different types of geodata, including vector files, raster files, geographic databases, web files, and multi-temporal data. Fields of study Geographic data and information are the subject of a number of overlapping fields of study, mainly: * Geocomputation * Geographic information science * Geoinformatics * Geomatics * Geovisualization This is in addition to other more specific branches, such as: * Cartography * Geodesy * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Social Media
Social media are interactive media technologies that facilitate the creation and sharing of information, ideas, interests, and other forms of expression through virtual communities and networks. While challenges to the definition of ''social media'' arise due to the variety of stand-alone and built-in social media services currently available, there are some common features: # Social media are interactive Web 2.0 Internet-based applications. # User-generated content—such as text posts or comments, digital photos or videos, and data generated through all online interactions—is the lifeblood of social media. # Users create service-specific profiles for the website or app that are designed and maintained by the social media organization. # Social media helps the development of online social networks by connecting a user's profile with those of other individuals or groups. The term ''social'' in regard to media suggests that platforms are user-centric and enable communal ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
3D Reconstruction From Multiple Images
3D reconstruction from multiple images is the creation of three-dimensional models from a set of images. It is the reverse process of obtaining 2D images from 3D scenes. The essence of an image is a projection from a 3D scene onto a 2D plane, during which process the depth is lost. The 3D point corresponding to a specific image point is constrained to be on the line of sight. From a single image, it is impossible to determine which point on this line corresponds to the image point. If two images are available, then the position of a 3D point can be found as the intersection of the two projection rays. This process is referred to as triangulation. The key for this process is the relations between multiple views which convey the information that corresponding sets of points must contain some structure and that this structure is related to the poses and the calibration of the camera. In recent decades, there is an important demand for 3D content for computer graphics, virtua ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
April 2015 Nepal Earthquake
The April 2015 Nepal earthquake (also known as the Gorkha earthquake) killed 8,964 people and injured 21,952 more. It occurred at on Saturday, 25 April 2015, with a magnitude of 7.8 Mw or 8.1 Ms and a maximum Mercalli Intensity of X (''Extreme''). Its epicenter was east of Gorkha District at Barpak, Gorkha, roughly northwest of central Kathmandu, and its hypocenter was at a depth of approximately . It was the worst natural disaster to strike Nepal since the 1934 Nepal–Bihar earthquake. The ground motion recorded in Kathmandu, capital of Nepal, was of low frequency, which, along with its occurrence at an hour where many people in rural areas were working outdoors, decreased the loss of property and human lives. The earthquake triggered an avalanche on Mount Everest, killing 22, the deadliest incident on the mountain on record. The earthquake triggered another huge avalanche in the Langtang valley, where 250 people were reported missing. Hundreds of thousands of Nepalese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WNYC
WNYC is the trademark and a set of call letters shared by WNYC (AM) and WNYC-FM, a pair of nonprofit, noncommercial, public radio stations located in New York City. WNYC is owned by New York Public Radio (NYPR), a nonprofit organization that did business as "WNYC RADIO" until March 2013. WNYC (AM) broadcasts on 820 kHz, and WNYC-FM broadcasts on 93.9 MHz. Both stations are members of NPR and carry local and national news/talk programs. Some hours the programming is simulcast, some hours different shows air on each station. WNYC reaches more than one million listeners each week and has the largest public radio audience in the United States. The WNYC stations are co-owned with Newark, New Jersey-licensed classical music outlet WQXR-FM (105.9 MHz), and all three broadcast from studios located in the Hudson Square neighborhood in lower Manhattan. WNYC's AM transmitter is located in Kearny, New Jersey; WNYC-FM's transmitter is located at the Empire State Building ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
