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The management of these megacities (those having populations of over eight million) in their current formative stages so taxing to natural systems
steigt auch der Schwierigkeitsgrad der Texte und Übungen – so bleibt es immer spannend
Pyramide des Friedens und der Eintracht
verliert somit enormes Potenzial an Kundschaft
Das vorliegende Buch ist ein Nachdruck der Originalausgabe von 1903
Lectures on Information Retrieval formatIsbn:Softcover - 9783540419334 The management of these megacitiesInformation Retrieval (IR) is concerned with the effective and efficient retrieval of information based on its semantic content. The central problem in IR is the quest to find the set of relevant documents, among a large collection containing the information sought, satisfying a user's information need usually expressed in a natural language query. Documents may be objects or items in any medium: text, image, audio, or indeed a mixture of all three.