Multi-dimensional grouping operation method and system
A grouping operation, multi-dimensional technology, applied in the field of data processing, can solve the problems of poor database system processing capacity, inflexible dimensional combination conditions, and high latency
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[0046] [Example 1] Suppose there are 5 documents as follows:
[0047] 1. (A, a, I)
[0048] 2. (A, b, I)
[0049] 3. (B,c,II)
[0050] 4. (C, D, III)
[0051] 5. (C, D, III)
[0052] Among them, 1~5 represent the serial number of the document, (A~C), (a~d), (I~III) represent the dimension values corresponding to three different dimensions, then the inverted vocabulary established by these 5 documents is :
[0053] A→1,2 a→1 I→1,2
[0054] B→3 b→2 II→3
[0055] C→4,5 c→3 III→4,5
[0056] d→4,5
[0057] As mentioned above, for example, there is a mapping relationship between dimension value A and document serial numbers 1 and 2 in the inverted vocabulary. By using the inverted vocabulary, the specific location information of each dimension value can be obtained directly, thus making the query faster.
[0058] Next, in step S103, a query request related to a plurality of predetermined dimensions is received from the user terminal, and the query request is sent to each...
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