This volume constitutes papers presented at the Evaluation Track of the 6th China Conference on Knowledge Graph and Semantic Computing, CCKS 2021, held in Guangzhou, China, in December 2021.

A Biaffine Attention-based Approach for Event Factor Extraction.- A Classification Approach of Scholar Structured Information Extraction from HTML Web Pages.- A Dual-classifier Model for General Fine-grained Event Detection Task.- A Joint Training Framework Based on Adversarial Perturbation For Video Semantic Tags Classification.- A Multi-Modal System for Video Semantic Understanding.- An Integrated Method of Semantic Parsing and Information Retrieval for Knowledge Base Question Answering.- Basic Profiling Extraction Based on XGBoost.- Data Augmentation based on Pre-trained Language Model for Event Detection.- Does BERT know Which Answer Beyond the Question?.- End-to-End Pre-trained Dialogue System for Automatic Diagnosis.- Enhance both Text and Label: Combination Strategies for Improving the Generalization Ability of Medical Entity Extraction.- Knowledge-Enhanced Retrieval: A Scheme for Question Answering.- Multi-LabelFine-grained Entity Typing for Baidu Wikipedia based on Pre-trained model.- Multi-Strategies Integrated Information Extraction for Scholar Profiling Task.- Named Entity Recognition and Event Extraction in Chinese Electronic Medical Records.- Strategies for Enhancing Generalization Ability of Communication Event Co-reference Resolution.- Unmanned Aerial Vehicle Knowledge Graph Construction with SpERT.