Savez-vous ce qu’est le big data ? Savez-vous quel en est son but premier et pourquoi ? Depuis le début d’Internet, toutes les données de navigations et autres sont stockées un peu partout dans le monde sur des centaines des serveurs différents et parfois même là où on ne les attend pas. Nous allons voir ensemble à quoi et comment sont utilisées ces données.
Tout d’abord, qu’est-ce que c’est ? L’idée principale du BigData est + ou – comme celle des cookies, c’est-à-dire enregistrer beaucoup de données, le plus possible (d’où sont nom : « Grande données » / « Données importantes » (en français).
Voici un petit tableau expliquant les volumes de données enregistrées dans le monde entier par période.
Période
Volume
… à 2003
5 exabytes (soit 5 millions de To / 5 milliards de Go) sont enregistrées
En 2011
5 EB (exabytes) étaient produits et récoltés en seulement 2 jours
En 2013
5 EB étaient produits et récoltés en seulement 10 minutes
Ce tableau provient du site : Culture-Informatique
Imaginez ce que cela peut représenté, surtout que maintenant, tout le monde possède généralement un smartphone en plus de son ordinateur, qui utilise lui aussi beaucoup de données.
La ou le bigdata est différent des cookies, c’est que les cookies sont des données de navigations web, et peuvent être effacées, contrairement au BigData.
Qu’est-ce que le Big Data enregistre ?
Quelques petits exemple :
Les sites web sur lesquels vous vous rendez
Les applications de votre smartphone
Vos conversations téléphoniques
Les mails que vous recevez
Les recherches que vous effectués
Vos achats sur internet (afin d’avoir vos centre d’intérêts)
Tout ce qui se connecte et utilise internet en soit… ! Vous ne vous en doutez peut-être pas, mais le B.D enregistre également :
Votre GPS
Tous les appareils connectés de votre domicile et / ou bureau
Vos thermostats (s’ils sont possibles à régler à distance)
etc … (tout les appareils utilisant Internet)
Mais quel en est son objectif ?
L’objectif du BigData est de collecter vos données afin de connaître d’avantages le consommateur pour ensuite lui proposer des produits / services adaptés à vos besoins, envies et recherches précédentes.
Comment sont stockées toutes ces données ?
Le stockage d’un tel volume de données est un travail rigoureux. Normalement, pour stocker un volume de données importantes, on utilise des bases de données (COMING SOON). Le problème est que la taille des données est tellement importante actuellement que ce n’était pas possible, il aura fallu penser à changer toute la manière de stockage… Et c’est à ce moment qu’on créa la règles des 5 V :
Volume : Stocker un maximum d’informations
Variété : Stocker beaucoup de données de toute sortes
Vélocité : Avoir un accès rapidement à toutes ces données
Véracité : Les données doivent être vraies
Valeur : Ces données doivent apporter de la valeur On pourrait y ajouter aussi :
Vertu : Ces données respectent les règlementations en vigueur
En conclusion
Nous pouvons dire qu’il est important de faire attention à nos données et à comment elles pourraient être utilisées. Nous ne pouvons malheureusement pas y faire grand chose, contrairement au cookies (C’est quoi les cookies ?)
Nous utilisons les cookies afin d'améliorer votre expérience sur notre site Web ainsi que pour la publicité. Vous pouvez gérer vos préférences actuelles en cliquant sur le bouton "Réglage"
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A friend I met by chance before. Zaun explained vaguely.The power of this wolf king s pounce, even Zu an s current cultivation level should be shaken all over.
A trace of worry could not help appearing on his face, wouldn t he be more dangerous this way Sure enough, Yan Xuehen s speed was a bit faster.Obviously, each of them had seen blood under their hands.
In the dark night, there are gunshots and cannons everywhere, as well as the flares fired by the devils, and the searchlights are constantly shaking at the top of the city to search for the target
Wang Xuexin found that the landing craft did not need light guidance at all, because it gave them the direction.
If the devils charge towards our position
then it will burn as many as they charge up Thinking of Li Yunlong, he nodded again and again, and said with a smile Success, how many of us will each fix It s very dangerous to look up, and if you accidentally drop it in the trench, it will burn a large piece, we have to practice before using it That s right Zhao Gang agreed We should strengthen safety awareness, and standardize management and Use the method, so that the danger can be minimized.
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But aviation also uses this style
it can only be called stupid. Aviation soldiers have to consider not only themselves, but also the aircraft and their flying skills.Then Neiji Okamura said If the tactics of the recalcitrant army using chariots come from Mao Xiong, This is undeniable, because like Mao Xiong, they used chariots as an auxiliary to the infantry and dispersed them among the troops.
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a lot of times it is not a question of courage, but a question of tactics and methods So Wang Xuexin understood.
Many tank crews were sent to the battlefield without even basic training
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The locals can barely hunt and collect food during this time.If you can let go of the reconnaissance company, go ahead End of this chapter Of course, it is impossible for the monk to give up the reconnaissance company to drive tanks.
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What s more, these anti aircraft guns were directly transported to the anti aircraft artillery unit commanded by the chief of staff.Mao Xiong s actions were very fast. As soon as the production manual arrived, the translation and scientific research team that had been prepared for a long time immediately interpreted the production manual.
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