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

Journal of Big Data

Table 4 The performance of entity detection task using UDP-based feature (in percent)

Dataset	#Class	Accuracy	Precision	Recall	F1	Training duration (hour)
SimpleQuestions	1,014	43.69	73.31	43.69	49.03	167
LC-QuAD 2.0	4,296	51.18	74.54	51.18	56.43	215