基于LLM的证券客户画像构建方法及系统

By quantifying abnormal scores and short-term memory windows of customer behavior, and combining subjective confidence and intervention vector components, the securities customer profile generated by LLM is dynamically adjusted, which solves the problem that existing technologies cannot respond to changes in short-term customer preferences in a timely manner, and improves the accuracy and matching degree of customer profiles.

CN122415142APending Publication Date: 2026-07-17NANJING SECURITIES CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING SECURITIES CO LTD
Filing Date
2026-06-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, when building securities customer profiles based on LLM, it is impossible to respond in a timely manner to changes in short-term customer preferences. It is easily affected by short-term emotional fluctuations and noisy behaviors, causing the profile to deviate from the customer's true investment preferences. Furthermore, it is impossible to distinguish between the stability and suddenness of behavior.

Method used

By calculating customer time interval characteristics, short-term frequency characteristics, and pattern deviation characteristics, the abnormal scores of new behaviors are quantified, a short-term memory window is established, and the customer profile generated by LLM is corrected using subjective confidence and intervention vector components. A monitoring auxiliary line is constructed to dynamically adjust the labels.

Benefits of technology

It enables rapid response to changes in customers' short-term transaction patterns and emotions, reduces the impact of noisy behaviors on customer profiles, ensures the accuracy and timely updating of tags, and improves the matching degree of customer profiles.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了基于LLM的证券客户画像构建方法及系统,涉及用户画像技术领域,本发明根据历史行为集计算客户时间间隔特征、短期频率特征和模式偏离特征,当发生新行为时计算异常得分,利用异常得分计算每个客户新行为的主观置信度;建立短期记忆窗口,利用短期记忆窗口记录每个客户短期内的行为构成行为序列,设置记忆周期,根据记忆周期对短期记忆窗口进行记忆清空;构建监测辅助线路,在监测辅助线路中计算每个客户标签在短期记忆窗口中的短期净支持度,利用短期净支持度和历史压制因子计算干预向量分量,利用干预向量分量对LLM生成证券客户画像中每个客户标签的初始置信度进行修正。
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