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Enfants et écrans : psychologie et cognition

Enfants et écrans : psychologie et cognition

http://www.internetactu.net/2013/01/29/enfants-et-ecrans-psychologie-et-cognition/

Related:  Ressources documentairesenfants et écransLES ECRANSSciences & société

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YAGO-NAGA - D5: Databases and Information Systems (Max-Planck-Institut für Informatik) AIDA is a method, implemented in an online tool, for disambiguating mentions of named entities that occur in natural-language text or Web tables. AMIE (Association Rule Mining under Incomplete Evidence in Ontological Knowledge Bases) is a joint project with the Ontologies group. ANGIE is an active knowledge system for interactive exploration. DEANNA is a framework for natural language question answering over structured knowledge bases. HYENA is a multi-label classifier for entity types based on hierarchical taxonomies derived from YAGO2.

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Cancer the secret weapon? It was a case destined for the X-Files and conspiracy theorists alike, when Venezuelan president Hugo Chavez speculated that the US might have developed a way to weaponise cancer, after several Latin American leaders were diagnosed with the disease. The list includes former Argentine president, Nestor Kirchner (colon cancer) Brazil’s president Dilma Rousseff (lymphoma cancer), her predecessor Luiz Inacio Lula da Silva (throat cancer), Chavez (undisclosed), former Cuban president Fidel Castro (stomach cancer) Bolivian president, Evo Morales (nasal cancer) and Paraguayan president Fernando Lugo (lymphoma cancer). What do they have in common besides cancer? All of them are left-wing leaders.

28617911-Web-Crawler There are important characteristics of the Web that make crawling very difficult: Its large volume, Its fast rate of change, and Dynamic page generation.These characteristics combine to produce a wide variety of possible crawlable URLs.The large volume implies that the crawler can only download a fraction of the Web pages withina given time, so it needs to prioritize its downloads. The high rate of change implies that by thetime the crawler is downloading the last pages from a site, it is very likely that new pages have been added to the site, or that pages have already been updated or even deleted.The number of pages being generated by server-side software has also made it difficult for webcrawlers to avoid retrieving duplicate content.

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