Yiming Xu

Publications

cover for Retrieval-based Question Answering with Passage Expansion Using a Knowledge Graph

Retrieval-based Question Answering with Passage Expansion Using a Knowledge Graph

Benno Kruit, Yiming Xu, Jan-Christoph Kalo · LREC-COLING (2024)

A retrieval QA method that expands passages with KG context to improve recall and answer quality.

cover for Fine-grained label learning via siamese network for cross-modal information retrieval

Fine-grained label learning via siamese network for cross-modal information retrieval

Yiming Xu, Jing Yu, Jingjing Guo, Yue Hu, Jianlong Tan · ICCS (2019)

Mining hard negatives to improve cross-modal information retrieval.