Książka Information Retrieval Zied O. Ahmed

Information Retrieval

Lectures

Język: Angielski
Oprawa: Miękka
Dostępność: Na zamówienie
Wysyłamy za 17-27 dni
209.76
The meaning of the term information retrieval can be very broad. Just getting a credit card out of y...

Informacje o książce

Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2018
strony
96
EAN
9786134976855
Enbook ID
18907486
Waga
161
Wymiary
150 x 220 x 6

Pełny opis

The meaning of the term information retrieval can be very broad. Just getting a credit card out of your wallet so that you can type in the card number is a form of information retrieval. Information retrieval (IR) is finding material (usually documents) of an unstructured nature (usually text) that satisfies an information need from within large collections (usually stored on computers). The term "unstructured data" refers to data which does not have clear, semantically overt, easy-for-a-computer structure. It is the opposite of structured data, the canonical example of which is a relational database, of the sort companies usually use to maintain product inventories and personnel records. In reality, almost no data are truly "unstructured". The field of information retrieval also covers supporting users in browsing or filtering document collections or further processing a set of retrieved documents. Given a set of documents, clustering is the task of coming up with a good grouping of the documents based on their contents.

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