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Djiezes Kraaijst

Enter the Cloud with Caution - 0 views

  • • What is your exit strategy? If you aren't satisfied with the cloud, how much will the migration in both directions have cost
  • • Do you want your employees getting advertising (perhaps from competitors, or for naughty products) along with their e-mail? Consider paying a little to be advertising-free.
  • • What's the access control? Does a single password provide access to everything, so that an intruder could delete your entire business? Is password strength industry-standard? Can you turn off access when you terminate an employee?
  • ...7 more annotations...
  • Might some of them infringe copyrights?
  • • What does the cloud expect of you? Are any of your documents "discriminatory based on race, sex, religion, nationality, disability, sexual orientation, or age?
  • • Does the cloud back up your data? A typical contract stipulates that you bear "sole responsibility for adequate security, protection, and backup."
  • • What if you do business abroad? Your memos and e-mail are subject to USA Patriot Act searches when they cross the border if the "cloud" is actually located in the U.S.
  • • What if you don't pay the bill? Might all your data get deleted abruptly
  • • Who else might see the data?
  • Enter the Cloud with Caution Here are nine questions to ask before trusting your company's data or computing tasks to an outside provider
Djiezes Kraaijst

A Declaration of the Independence of Cyberspace - 1 views

  • These increasingly hostile and colonial measures place us in the same position as those previous lovers of freedom and self-determination who had to reject the authorities of distant, uninformed powers. We must declare our virtual selves immune to your sovereignty, even as we continue to consent to your rule over our bodies. We will spread ourselves across the Planet so that no one can arrest our thoughts. We will create a civilization of the Mind in Cyberspace. May it be more humane and fair than the world your governments have made before.
  • Cyberspace consists of transactions, relationships, and thought itself, arrayed like a standing wave in the web of our communications. Ours is a world that is both everywhere and nowhere, but it is not where bodies live. We are creating a world that all may enter without privilege or prejudice accorded by race, economic power, military force, or station of birth. We are creating a world where anyone, anywhere may express his or her beliefs, no matter how singular, without fear of being coerced into silence or conformity. Your legal concepts of property, expression, identity, movement, and context do not apply to us. They are all based on matter, and there is no matter here.
    • Djiezes Kraaijst
       
      great quote (barlow, 1996)
  • Governments derive their just powers from the consent of the governed. You have neither solicited nor received ours. We did not invite you.
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  • I declare the global social space we are building to be naturally independent of the tyrannies you seek to impose on us. You have no moral right to rule us
  • We have no elected government
  • I come from Cyberspace, the new home of Mind. On behalf of the future, I ask you of the past to leave us alone.
  • A Declaration of the Independence of Cyberspace by John Perry Barlow <barlow@eff.org>
Matteo Busanelli

Help:Using SPARQL and RDF stores - semantic-mediawiki.org - 0 views

  • In SMW 1.6.0, stores are required to accept updates and queries that do not specify a graph but it is planned to remove this limitation in the future.
  • The first line tells SMW to use the SPARQL store implementation to store data (instead of the SMWSQLStore2 that is the default). The remaining lines provide the relevant service locations, where the last line can be omitted if not applicable. By default, SMW will use a generic SPARQL connector that is based on recent SPARQL documents. Some RDF databases might not be fully compatible with this or might need special tweaks to make use of advanced, non-standard features. For this purpose, it is possible to change the SPARQL connector that SMW uses by setting the variable $smwgSparqlDatabase. In SMW 1.6.0, there is only one special connector:
  • $smwgSparqlDatabase = 'SMWSparqlDatabase4Store';
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  • Missing experience regarding performance and stability: There are a number of industry-strength RDF databases available today, some of them free/open source. Yet, the experience of using these systems with SMW are still limited, so some testing is needed before deciding on a particular backend for a large-scale SMW application.
  • no named graphs are used in SMW queries
  •  
    By default, SMW stores all data in the MySQL database that is used by MediaWiki. This ensures a simple setup but it is not an ideal solution for the data format and data access methods that SMW needs. A more natural data model for SMW data is RDF, a data format that organizes information in graphs rather than in fixed database tables. It is possible to use such systems in addition to the SQL database for managing SMW data and for answering queries. This page explains the details
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