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Chalana Perera

Internet Time and the Reliability of Search Engines | EDUCAUSE - 4 views

www.educause.edu/...153271

ITGS PP int systems reliability equality applications

shared by Chalana Perera on 13 Sep 09 - Cached
  • earch engines are unreliable tools for data collection for research that aims to reconstruct the historical record.
Chalana Perera

The Guts of the Station Finder Map - Inside NPR.org Blog : NPR - 0 views

www.npr.org/...uts_of_the_station_finder.html

ITGS PP applications int systems reliability equality

shared by Chalana Perera on 13 Sep 09 - Cached
  • The system has several underlying database tables, including zip codes, cities and station data. The zip code and city tables, in addition to containing information about the locations, also include the latitude and longitude for the centroid each location.
  • At the core, the system works based on latitudes and longitudes.
  • Once we have the latitude and longitude, we perform a series of calculations based on the Great Circle Calcuation (GCC), which helps us to determine distances on a curved surface (ie. the Earth - and we are assuming that it is not flat). Using the GCC, we look for stations near the latitude and longitude, based on a 100 mile radius from that point. From that list of stations, which is too inclusive, we start our process of narrowing down the results to the actual stations that can be heard.
  • ...1 more annotation...
  • - a web-based service to inform our audience as to which NPR stations are available throughout the country. There are other more sophisticated, more precise ways to identify the station coverage maps which are really overkill for this type of service.
anonymous

NewsBank Popular Periodicals: Document Display - 0 views

infoweb.newsbank.com/...InfoWeb

SOCIAL equality people IT SYSTEMS basics IMPACT business arts ITGS & PP

shared by anonymous on 13 Sep 09 - Cached
  • Best Day Saturday. The Black Lips, Matt & Kim, Bowerbirds, Beirut, Yeasayer...it's like an illegal file-sharing server come to life!
  • Best Day Saturday. The Black Lips, Matt & Kim, Bowerbirds, Beirut, Yeasayer...it's like an illegal file-sharing server come to life!
Chalana Perera

Health Database Blocked Searches on 'Abortion' : NPR - 1 views

www.npr.org/...story.php

ITGS PP int systems applications reliability control equality health

shared by Chalana Perera on 13 Sep 09 - No Cached
  • The world's largest database on reproductive health, POPLINE, has been blocking searches using the term "abortion"
  • discrepancy in the retrieval
  • "Eliminating this term essentially blocks access to the reports in the database and ultimately to information about abortion,"
  • ...2 more annotations...
  • Sorrough said librarians were instructed by POPLINE to use alternate terms such as "unwanted pregnancy" or "fertility control, post-conception."
  • administrators then made the decision to restrict 'abortion' as a search term," she said.
Maliha Rahman

Carlisle mum leads campaign to take on Facebook paedophiles (News & star) - 0 views

www.newsandstar.co.uk/...-facebook-paedophiles-1.752070

SOCIAL integrity security authenticity control equality people IT SYSTEMS applications IMPACT health ITGS Portfolio4 CriterionC

shared by Maliha Rahman on 31 Aug 10 - Cached
  • Maliha Rahman on 31 Aug 10
     
    this website includes an article, followed up with many comments from the larger public, about the facebook 17-year old murder incident. A mother protested against facebook pedophiles and tries to fight her daughters death.  
samaraad

RefugeesUnited offers mobile hope for loved-one search - 0 views

www.bbc.co.uk/...technology-11518820

equality people SOCIAL

shared by samaraad on 06 Nov 10 - No Cached
  • samaraad on 06 Nov 10
     
    A free mobile service has been set up to help reunite refugees who have been displaced by war, persecution or natural disasters.
Chalana Perera

Xtra Ordinary Operating System for XO Laptop - OLPC News - 0 views

www.olpcnews.com/...ordinary_operating_system.html

SOCIAL equality IT SYSTEMS int systems comm sys applications basics IMPACT education ITGS Portfolio2 CriterionB

shared by Chalana Perera on 12 Feb 10 - Cached
  • Chalana Perera on 12 Feb 10
     
    IT background of the issue
  • Chalana Perera on 12 Feb 10
     
    IT background of the issue
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