Wenkai Zhang

QoS-aware Automatic Service Composition Based on Service Execution Timeline with Multi-objective Optimization

2020

With the evolution of web technologies, various services become available in the pervasive network environment. Combining atomic services via the input and output dependency according to functional requirements with the multiple nonfunctional Quality-of-Service (QoS) guarantees …

De-biasing Distantly Supervised Named Entity Recognition via Causal Intervention

2021

Wenkai Zhang, Hongyu Lin, Xianpei Han, Le Sun. Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers). 2021.

Open-domain Dialogue Generation Grounded with Dynamic Multi-form Knowledge Fusion

2022 · arXiv (Cornell University)

Open-domain multi-turn conversations normally face the challenges of how to enrich and expand the content of the conversation. Recently, many approaches based on external knowledge are proposed to generate rich semantic and information conversation. Two …