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Search result ordering method and system and search result ordering optimization method and system

A technology of search results and sorting methods, which is applied in the direction of network data indexing, network data retrieval, and other database retrievals, etc., can solve problems such as network congestion and increased server burden, achieve burden reduction, objective and accurate sorting results, and avoid inaccurate sorting Effect

Active Publication Date: 2014-02-12
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a method and system for sorting search results, and a method and system for optimizing the sorting of search results, which can solve the problems that the search results are different from the user's expectations, and the problems of increased server load and network congestion caused by users repeatedly sending search requests through the client

Method used

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  • Search result ordering method and system and search result ordering optimization method and system
  • Search result ordering method and system and search result ordering optimization method and system
  • Search result ordering method and system and search result ordering optimization method and system

Examples

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Embodiment 1

[0077] refer to figure 1 , showing Embodiment 1 of a method for sorting search results of the present application, including the following steps:

[0078] In step 101, an original feature set is obtained, and the original features include preset features that may affect the ranking of search results.

[0079] The original feature set can be determined based on historical transaction data or experience. In general, the features included in the original feature set include transaction volume, transaction conversion rate, favorable rate, delivery speed, picture and text quality, transaction amount, and so on.

[0080] Among them, the original feature set of the search results can be pre-set, and can be obtained directly from the server or other databases when needed, or can obtain historical transaction data from the server or database in real time, and extract it through real-time analysis.

[0081] Step 102, extract effective features from the original feature set based on th...

Embodiment 2

[0142] refer to Figure 4 , showing the second embodiment of the search result ranking optimization method of the present application, including the following steps:

[0143] Step 401, obtaining the sorting results sorted according to the theoretical ranking scores of search results at a predetermined time point, said theoretical ranking scores being obtained according to the final weights of effective features and the actual effective feature values ​​of each search result;

[0144] Step 402, acquiring the transaction data after the predetermined time point of the predetermined number of search results arranged in front of the ranking results, and calculating the actual ranking score of the search results according to the transaction data;

[0145] Step 403, comparing the actual ranking score with the theoretical ranking score, and if the difference between the two is greater than a threshold, optimize the final weight of the effective features.

[0146] Among them, optimizi...

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Abstract

The present disclosure provides techniques to rank search results. The techniques may include acquiring a set of primitive characteristics and extracting effective characteristics from the set of primitive characteristics based on historical transaction data. The effective characteristics include characteristics that can have an influence on ranking of search results. The techniques may also include determining an initial weight of each of the effective characteristics based on the historical transaction data, and training the initial weight using the historical transaction data and a predetermined training model to obtain a final weight. Based on the final weight, the search results may be ranked. In some aspects, the techniques may also optimize the ranking to ensure the objectivity and accuracy of ranking results.

Description

technical field [0001] The present application relates to the technical field of computer data processing, in particular to a search result ranking method and system, and a search result ranking optimization method and system. Background technique [0002] With the development of e-commerce, more and more users choose to purchase commodities on e-commerce websites. Under normal circumstances, an e-commerce website usually has tens of millions or even hundreds of millions of products. It is a common method for users to search for what they need among a variety of products. The so-called search means that the user enters a keyword, and the website returns search results related to the keyword for the user to filter. [0003] In many cases, a keyword may have a large number of search results, so the search results must be displayed in a certain order. How to sort these search results requires comprehensive consideration on the website. For example, it can be based on the corr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F17/3053G06F16/951G06F16/9535G06F16/24578G06Q30/06
Inventor 林锋汤佳宇
Owner ALIBABA GRP HLDG LTD
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