A better entity detection of question for knowledge graph question answering through extracting position-based patterns

Journal of Big Data

Table 6 The performance of entity detection task using POS tagging-based feature (in percent)

Dataset	#Class	Accuracy	Precision	Recall	F1	Training duration (hour)
SimpleQuestions	1,014	98.5	98.5	98.5	98.5	168
LC-QuAD 2.0	4,296	59.6	63.9	59.6	59.1	216