20 Aug 2017

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Validating RDF data with SHACL

Setting some constraints--then violating them!

20 Aug 2017 3:54pm GMT

17 Aug 2017

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PhD defense: Prajit Das, Context-dependent privacy and security management on mobile devices

Tweet Ph.D. Dissertation Defense Context-dependent privacy and security management on mobile devices Prajit Kumar Das 8:00-11:00am Tuesday, 22 August 2017, ITE325b, UMBC There are ongoing security and privacy concerns regarding mobile platforms which are being used by a growing number of citizens. Security and privacy models typically used by mobile platforms use one-time permission acquisition mechanisms. However, modifying access rights after initial authorization in mobile systems is often too tedious and complicated for users. User studies show that a typical user does not understand permissions requested by applications or are too eager to use the applications to care to understand the permission ...

17 Aug 2017 11:22pm GMT

14 Aug 2017

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WebSci ’17

The Web Science Conference was hosted by Rensselaer Polytechnic Institute this year. The Tetherless World Constellation was heavily involved in organizing the event and ensuring the conference ran smoothly.The venue for the conference was the Franklin Plaza in downtown Troy. It was a great venue, with a beautiful rooftop . On 25th June, there were a set of workshops organized for the attendees. I was a student volunteer at the "Algorithm Mediated Online Information Access (AMOIA)" workshop. We started the day off with a set of talks. The common theme for these talks were to reduce the bias in services ...

14 Aug 2017 9:01pm GMT

16 Dec 2013

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The new Data Activity at W3C

This is the last entry in this blog… A few days ago W3C started a new activity, called Data Activity, that also subsumes the (by now old) Semantic Web Activity. In order to have a fresh start, and to avoid … Continue reading

16 Dec 2013 9:22am GMT

08 Nov 2013

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RDF Json Alternate Serialization (RDF/JSON) Published

The RDF Working Group has published a Group Note of RDF 1.1 JSON Alternate Serialization (RDF/JSON). The Resource Description Framework (RDF) is a framework for representing information in the Web. This document defines a textual syntax for RDF called RDF/JSON that allows an … Continue reading

08 Nov 2013 9:28pm GMT

06 Nov 2013

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Proposed Recommendations for JSON-LD

The RDF Working Group has published two Proposed Recommendations today: JSON-LD 1.0. JSON is a useful data serialization and messaging format. This specification defines JSON-LD, a JSON-based format to serialize Linked Data. The syntax is designed to easily integrate into deployed systems … Continue reading

06 Nov 2013 10:02pm GMT

19 Jan 2012

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Mon intervention lors de l’inauguration du Retour à la Terre Rive Gauche

En attendant la publication des photos et vidéos sur le site du Retour à la Terre , voici le texte que j’avais préparé pour mon intervention lors de l’inauguration officielle du magasin de la Rive Gauche le 18 janvier. Catherine est inquiète parce qu’elle ne sait pas ce que je veux vous dire ce soir… Elle me connaît pourtant bien puisque cela fait plus de trente ans que nous vivons ensemble ! Nous avons la chance d’avoir étudié dans une grande école (l’École Centrale) où nous nous sommes rencontrés mais avons toujours eu du mal à nous intégrer au monde des ...

19 Jan 2012 12:59pm GMT

Yak shaving

If your brain works the way mine does, you often find yourself doing a variety of related but not necessary tasks along the way to fulfilling a larger goal. For some reason, the history of which I’m not entirely sure, this is called “yak shaving.” Some of my finest work has been done that way, so I’m happy to embrace it, even if I do add hours to the job at hand. This week’s yak shaving has neared epic proportions, but proved eminently satisfying. I’ve been working on collecting together an overview of big data products. It’s early days yet ...

19 Jan 2012 12:13am GMT

18 Jan 2012

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HttpURLConnection’s Dark Secrets

If you’re programming in the Java language and want to talk to a Web server, there are several libraries you can choose from. HttpURLConnection is one popular choice, and for Android programming, the engineering team has now officially suggested that you use it where possible. Since there are irritating orthographical and Web-Architecture issues with the name “HttpURLConnection”, let’s just say HUC. HUC is reasonably well documented, if by “reasonably well” you mean “omits any discussion of the relationship between method calls and underlying HTTP traffic”. Let me fill that in. Who knows, maybe some JavaDocs maintainer somewhere will feel inspired ...

18 Jan 2012 11:17pm GMT