Data acquisition method, device and system and computer storage medium
A data acquisition and data technology, applied in the computer field, can solve the problems of inflexible expansion, violation of the open-closed principle, and long development cycle of data acquisition modules.
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[0055] An embodiment of the present invention provides a data acquisition method, which can be applied to systems such as recommendation systems and search systems that include data acquisition processes.
[0056] First, related nouns involved in the embodiments of the present invention are introduced.
[0057] Index, is a database term. In a relational database, an index is a storage structure that sorts the values of one or more columns in a database table. The function of the index is equivalent to the table of contents of the book, and the required content can be quickly found according to the page number in the table of contents. Indexes are usually divided into forward and reverse indexes. In practical application, inverted index is more called inverted index.
[0058] Inverted index, inverted index comes from the need to find records based on the value of the attribute in practical applications. Each item in the inverted index table includes an attribute value and...
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