PRIS at TAC 2009: Experiments in KBP Track
Si Li, Sanyuan Gao, Zongyu Zhang, Xinsheng Li, Jingyi Guan, Weiran Xu, Jun Qing Guo · 2009
This paper describes BUPT (pris) participation in entity linking task and slot filling task. The system adopts a two-stage strategy in entity linking task and slot filling task. In the first stage, the system carries out a basic topic relevance retrieval to get top k documents for each query. In the second stage, cross-document coreference resolution is based on automatic text summary and automatic entity relation extraction is based on CRFs. 1