Prediction of Research Hotspots Based on LSTM: Taking Information Science as Example

Table 2

Cumulative hotness TP calculation results (partial).

Keywords	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Information management	0.014	0.013	0.012	0.012	0.011	0.011	0.007	0.009	0.008	0.007	0.006	0.003	0.003	0.003	0.003	0.003	0.004	0.004	0.003	0.003	0.003
Search engine	0.013	0.014	0.015	0.015	0.013	0.014	0.010	0.009	0.008	0.007	0.006	0.003	0.004	0.004	0.004	0.004	0.003	0.002	0.002	0.002	0.002
Intelligence	0.013	0.012	0.012	0.014	0.014	0.016	0.016	0.019	0.020	0.020	0.018	0.017	0.017	0.016	0.016	0.016	0.010	0.013	0.013	0.013	0.013
Librarians	0.013	0.010	0.010	0.009	0.010	0.009	0.008	0.007	0.006	0.006	0.006	0.004	0.004	0.004	0.004	0.004	0.007	0.005	0.004	0.003	0.003
Enterprise	0.012	0.010	0.010	0.009	0.010	0.010	0.010	0.011	0.010	0.010	0.011	0.012	0.013	0.011	0.011	0.010	0.006	0.006	0.006	0.006	0.005
Web information resources	0.010	0.010	0.010	0.011	0.011	0.011	0.007	0.006	0.006	0.005	0.005	0.001	0.003	0.003	0.003	0.003	0.001	0.001	0.001	0.001	0.001
Library automation	0.010	0.007	0.006	0.005	0.004	0.003	0.001	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Documentary information	0.010	0.003	0.004	0.003	0.003	0.003	0.001	0.001	0.001	0.001	0.001	0.001	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Library management	0.010	0.012	0.014	0.014	0.014	0.014	0.007	0.007	0.006	0.005	0.005	0.003	0.003	0.002	0.002	0.002	0.000	0.000	0.001	0.001	0.000
Intellectual property	0.010	0.007	0.011	0.011	0.012	0.011	0.011	0.009	0.008	0.008	0.007	0.007	0.006	0.005	0.005	0.005	0.002	0.001	0.002	0.003	0.003
…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…