{"id":23817,"date":"2017-04-03T09:00:31","date_gmt":"2017-04-03T07:00:31","guid":{"rendered":"http:\/\/visionarymarketing.fr\/blog\/?p=23817"},"modified":"2022-12-23T12:40:46","modified_gmt":"2022-12-23T11:40:46","slug":"data-nerf-de-la-guerre-source-big-data","status":"publish","type":"post","link":"https:\/\/visionarymarketing.com\/fr\/2017\/04\/03\/data-nerf-de-la-guerre-source-big-data\/","title":{"rendered":"Data : nerf de la guerre et source d’effervescence des Big Data"},"content":{"rendered":"
\n

\"buste<\/a>\u00ab\u00a0Avant donc que d’\u00e9crire, apprenez \u00e0 penser.
\n<\/span>Selon que notre id\u00e9e est plus ou moins obscure,
\n<\/span>L’expression la suit, ou moins nette, ou plus pure.
\n<\/span>Ce que l’on con\u00e7oit bien s’\u00e9nonce clairement,
\n<\/span>Et les mots pour le dire arrivent ais\u00e9ment.\u00a0\u00bb<\/span><\/p>\n

Nicolas Boileau<\/a> (1674, l’Art po\u00e9tique<\/a>)<\/span><\/p>\n<\/blockquote>\n

Et si on parlait simplement des\u00a0Big Data ?<\/h2>\n

Et il n’avait pas compl\u00e8tement tort.\u00a0<\/span>Ma soeur – m\u00eame elle ! – qui a tout \u00e0 fait oubli\u00e9 d’\u00eatre idiote, m’a encore dit\u00a0<\/span>qu’elle ne comprenait \u00e0 peu pr\u00e8s rien \u00e0 ce que je faisais. Je vais donc essayer<\/span>\u00a0de lui expliquer mon projet : la #data.<\/span><\/p>\n

\"data\"<\/h2>\n

Novlangue<\/span><\/h2>\n

Avec un peu d’habitude, d’exp\u00e9rience et de pratique, il est tr\u00e8s facile\u00a0<\/span>de jargonner une esp\u00e8ce de novlangue absolument horrible et d’enchainer\u00a0<\/span>des mots vides de sens. Certains en font un m\u00e9tier, pas toujours par\u00a0<\/span>go\u00fbt. D’autres en font un art. D’autres, encore, s’en servent pour\u00a0<\/span>s’inventer une cr\u00e9dibilit\u00e9, cachant derri\u00e8re des \u00e9crans de fum\u00e9e la\u00a0<\/span>platitude de leurs propos. C’est une tendance g\u00e9n\u00e9rale, je n’invente ni\u00a0<\/span>ne d\u00e9couvre rien.<\/span><\/p>\n

Le monde de la #data n’\u00e9chappe \u00e0 la r\u00e8gle. A se demander s’il n’y pas\u00a0<\/span>une volont\u00e9 de confiscation du sens, d’escamotage du r\u00e9el derri\u00e8re ce\u00a0<\/span>jargon. Jargon qui se couple ais\u00e9ment avec celui concernant les startups<\/a><\/span>, soit dit en passant. Si, entre sp\u00e9cialistes, il est tentant, voire\u00a0<\/span>pratique, de parler boutique et d’\u00e9changer par mot-cl\u00e9s, quand on\u00a0<\/span>s’adresse \u00e0 des interlocuteurs qui ont fait l’habile choix de ne pas\u00a0<\/span>consacrer 10h\/jour aux math\u00e9matiques appliqu\u00e9es et \u00e0 l’informatique, il\u00a0<\/span>convient de clarifier.<\/span><\/p>\n

<\/p>\n

Incommunicabilit\u00e9<\/span><\/h2>\n

Pourquoi en parler ? Car l’incommunicabilit\u00e9 rode. Quand on se consacre \u00e0\u00a0<\/a><\/span>la recherche scientifique, on renonce \u00e0\u00a0<\/span><\/a>parler de son travail avec ses proches.<\/a> Cas classique qui am\u00e8ne soit \u00e0\u00a0<\/span>se couper du monde, les matheux sont tr\u00e8s forts \u00e0 ce petit jeu, soit \u00e0\u00a0<\/span>faire l’effort de traduire et trouver des images pour, tout de m\u00eame,\u00a0<\/span>avoir quelque chose \u00e0 raconter.<\/span><\/p>\n

Depuis ma conversion au monde de l’exploitation massive de la donn\u00e9e\u00a0<\/span>d’entreprise, je rencontre des probl\u00e9matiques similaires ; moins\u00a0<\/span>complexes certes, car je n’ai plus besoin de dessiner des trucs moches\u00a0<\/span>sur des tableaux, mais tout de m\u00eame, expliquer avec les mains le\u00a0<\/span>(probable) fonctionnement d’un algorithme, c’est souvent p\u00e9rilleux. Et\u00a0<\/span>faux, au final, le r\u00e9el est taquin et tend des pi\u00e8ges \u00e0 qui th\u00e9orise\u00a0<\/span>trop. S’il est facile de se r\u00e9fugier derri\u00e8re des mots compliqu\u00e9s et de\u00a0<\/span>faire son malin, il n’en r\u00e9sulte pas forc\u00e9ment grand chose d’int\u00e9ressant\u00a0<\/span>dans le cadre d’une discussion, d’un \u00e9change : \u00e0 part faire passer son\u00a0<\/span>interlocuteur pour un idiot, qu’il n’est \u00e9videmment pas, sous pr\u00e9texte\u00a0<\/a><\/span>qu’il ne lui parait pas a priori\u00a0<\/em>\u00e9vident d’augmenter la dimension de\u00a0<\/span><\/a>l’espace m\u00e9trique pour simplifier un calcul<\/a>, utiliser l’argument\u00a0<\/span>d’autorit\u00e9 technique ne sert \u00e0 rien. D’ailleurs, qui est r\u00e9ellement\u00a0<\/span>int\u00e9ress\u00e9 par ce genre de choses ?<\/span><\/p>\n

\"data\"<\/h2>\n

En quelques mots<\/span><\/h2>\n

Les donn\u00e9es (data<\/em>), ce sont des chiffres, des mots, des images. Une\u00a0<\/span>base de donn\u00e9es, c’est une fa\u00e7on de stocker des donn\u00e9es, de les ranger\u00a0<\/span>de fa\u00e7on structur\u00e9e. Les donn\u00e9es sont le nerf de la guerre et la cause\u00a0<\/span>de toute l’effervescence des derni\u00e8res ann\u00e9es autour du Big Data\u00a0<\/span>(donn\u00e9es massives<\/em>) : les entreprises, suivant l’exemple des nouveaux\u00a0<\/span>g\u00e9ants que sont Google. Amazon, Facebook, Amazon (GAFA) et leurs\u00a0<\/span>pendants chinois BATX<\/a> (Baidu, Alibaba, Tencent et Xiaomi), sont\u00a0<\/span>aujourd’hui convaincues qu’elles \u00e9taient en danger si elles\u00a0<\/span>n’exploitaient pas leur bases de donn\u00e9es. Double sentiment : la donn\u00e9e\u00a0<\/span>est strat\u00e9gique et source de danger.<\/span><\/p>\n

Manich\u00e9isme ? Religion ? Les comportements ne sont pas toujours\u00a0<\/span>logiques. Le fait est que de nombreux outils sont apparus (1)<\/span>, sp\u00e9cialis\u00e9s sur le traitement\u00a0<\/span>d’\u00e9normes masses de donn\u00e9es ; et techniquement, couvrant tout le spectre\u00a0<\/span>entre la plomberie avanc\u00e9 et les syst\u00e8mes experts. De nombreux vendeurs,\u00a0<\/span>conseillers, communicants, architectes logiciels, etc. se r\u00e9fugient\u00a0<\/span>derri\u00e8re cette complexit\u00e9 technique et une certaine difficult\u00e9\u00a0<\/span>conceptuelle pour sur-dimensionner les r\u00e9ponses, gonfler les factures,\u00a0<\/span>grossir les projets. La dynamique s’auto-entretient.<\/span><\/p>\n

<\/h2>\n

Imposture ?<\/span><\/h2>\n

Alors, me dirait ma soeur, avec tout le bon sens qui, s’il est d’adoption, n’en\u00a0reste pas moins angevin : \u00ab\u00a0donc tu vends du vent, toi aussi mon fr\u00e8re, tu escroques le\u00a0<\/span>chaland ?\u00a0\u00bb.<\/span><\/p>\n

Non, \u00e9videmment. Notez que je devrais, car \u00e7a paie mieux et c’est moins fatiguant.<\/span><\/p>\n

D\u00e9velopper des programmes pour analyser et traiter des donn\u00e9es, \u00e7a n’a rien \u00e0\u00a0<\/a><\/span>voir avec les discours fr\u00e9n\u00e9tiques sur l’innovation ou la disruption digitale.<\/span><\/a><\/p>\n

(1) Note:\u00a0Hadoop<\/a>,\u00a0<\/span>MapReduce<\/a>, Spark<\/a>, bases noSQL<\/a>,\u00a0etc.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00ab\u00a0Avant donc que d’\u00e9crire, apprenez \u00e0 penser. Selon que notre id\u00e9e est plus ou moins obscure, L’expression la suit, ou moins nette, ou plus pure. Ce que l’on con\u00e7oit bien s’\u00e9nonce clairement, Et les mots pour le dire arrivent ais\u00e9ment.\u00a0\u00bb Nicolas Boileau (1674, l’Art po\u00e9tique) Et si on parlait simplement des\u00a0Big Data ? Et il …<\/p>\n","protected":false},"author":44,"featured_media":34068,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2894,1613],"tags":[],"class_list":["post-23817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ia-big-data","category-marketing-digital-marketing"],"yoast_head":"\nData : nerf de la guerre et source d'effervescence des Big Data<\/title>\n<meta name=\"description\" content=\"Les donn\u00e9es (data) sont au coeur de toute activit\u00e9 entrainant la naissance du mouvement mondial autour des Big Data.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/visionarymarketing.com\/fr\/2017\/04\/03\/data-nerf-de-la-guerre-source-big-data\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" 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