面向微博用户的消费意图识别算法

利用迁移学习的方法, 融合京东问答平台数据与少量已标注的微博数据构建训练集, 提出一种基于注意力机制的双向长短期记忆神经网络(Attentional-Bi-LSTM)模型, 用于识别用户的隐性消费意图。针对显性意图识别问题, 提出一种结合TF-IDF (term frequency-inverse document frequency)与句法分析中动宾关系(VOB)的消费意图对象提取算法。实验结果表明, 通过将迁移京东问答平台的数据与微博数据相融合, 可以有效地扩充训练集, 在此基础上训练的神经网络分类模型具有较高的准确率和召回率; 融合VOB和TF-IDF的显性消费意图对象提取方法的准确率达到78.8%。

Consumption Intent Recognition Algorithms for Weibo Users

The data set is constructed by the data of Jingdong Question Answer Platform and Weibo based on transfer learning method and a bi-directional long-term and short-term memory neural network model based on attention mechanism is proposed to identify users’ implicit consumption intention. For the problem of explicit intention recognition, a new algorithm for extracting consumer intention objects is proposed, which combines TFIDF (term frequency-inverse document frequency) with the verb-object relationship (VOB) in parsing. The experimental results show that the training set can be effectively expanded by merging the data of Jingdong Question Answer Platform and Weibo. The classification model has high accuracy and recall rate, and the method of extracting explicit consumer intent objects by fusing VOB and TF-IDF achieves 78.8% accuracy.