Patent ID: 11886446
Assignee: BAIDU USA LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. The computer-implemented method of claim 15 further comprising:
obtaining cross-lingual query and document pairs for training the cross-lingual language model with the relevance ranking model head by performing steps comprising:
sampling a set of cross-lingual query and document pairs, in which the set comprises:
at least one positive sample cross-lingual query and document pair, in which the query and the document are in different languages and the document is relevant to the query; and
at least one negative sample cross-lingual query and document pair, in which the query and the document are in different languages and the document is not relevant to the query; and

obtaining cross-lingual query and document pairs for training the cross-lingual language model with the query language model objective by performing steps comprising:
sampling a set of cross-lingual query and document pairs, in which the query and the document are in different languages and the document is relevant to the query.