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

Journal of Big Data

Table 3 The performance of entity detection task using text-based feature (in percent)

Dataset	#Class	Accuracy	Precision	Recall	F1	Training duration (hour)
SimpleQuestions	1,014	99.15	99.25	99.15	99.17	164
LC-QuAD 2.0	4,296	74.09	75.72	74.09	73.87	211