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

Table 1

and statistics 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	25	32	29	24	22	27	18	31	9	18	13	10	9	11	8	4	8	10	2	5	4
Search engine	24	35	39	33	28	39	28	21	11	16	14	11	13	11	7	7	6	4	2	3	1
Intelligence	23	29	33	40	40	61	43	55	56	67	34	58	48	36	43	32	22	34	23	27	29
Librarian	23	23	27	17	29	12	21	15	13	12	17	13	14	12	9	10	15	5	4	4	3
Enterprise	22	24	27	13	34	33	27	29	22	29	54	41	37	21	21	15	13	12	13	8	3
Web information resources	18	23	25	32	35	22	18	12	13	15	7	5	16	3	7	4	2	3	1	1	1
Library automation	18	17	14	3	2	1	2	0	0	0	1	0	0	1	0	2	1	0	0	0	0
Documentary pnformation	18	8	13	4	10	4	3	1	3	0	1	3	0	1	0	0	0	0	0	1	1
Library management	18	29	41	34	41	29	20	15	14	8	18	9	7	5	3	4	1	0	3	1	0
Intellectual property	18	16	38	26	43	12	30	18	12	24	20	25	14	9	8	5	4	1	9	7	3
…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…
Pt	1786	2414	4973	7342	10042	12626	2702	5224	7720	10843	14159	3352	6235	8791	11221	13512	2195	4250	6202	8096	10075