支持技术创新的专利检索与分析

doi:10.11959/j.issn.1000-436x.2016055

Abstract

Bin LIU,Ling FENG,Fei WANG,Zhi-yong PENG. Patent search and analysis supporting technology innovation[J]. Journal on Communications, 2016, 37(3): 79-89.

Figures/Tables 15

References 41

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国家	第100万件	第200万件	第300万件	第400万件	第500万件
美国	100年	50年	25年	12年	5年半
中国	15年	7年半	2年半	1年	1年

会议	专利类型	时间范围	数量	主题数
NTCIR-3	日文专利	1998-1999	697 262	31
NTCIR-3	英文摘要	1995-1999	1 700 000	31
NTCIR-4	日文专利，英文摘要	1993-1997	1 700 000	103
NTCIR-5	日文专利，英文摘要	1993-2002	3 496 252	1 223
NTCIR-6	英文专利(USPTO)	1993-2002	1 315 470	3 221

QV	TV	p	q	MAP	P@10
QV₂	TV₃	t	i	0.279 4	0.390 3
QV₀	TV₃	t	i	0.270 1	0.348 4
QV₂	TV₃	a	i	0.268 8	0.364 5
QV₅	TV₃	a	w	0.263 7	0.361 3

算法	MAP	PRES	召回率
IPC扩展(第一声明)	0.129 3	0.514 0	0.606 7
IPC扩展(所有声明)	0.144 5	0.491 1	0.562 4
Ganguly^[^21]	0.127 8	0.460 4	—
Magdy^[^22]	0.139 9	0.486 0	—

算法	MAP
算法	平均准确率	提升（+）/下降（-）
BM25	0.062	-51.2%
LM	0.127	—
LDA	0.134	+5.5%
DMR	0.143	+12.6%
LM-DMR	0.164	+29.1%
LM-LDA	0.177	+39.4%

Patent search and analysis supporting technology innovation

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Figures/Tables 15

References 41

Related Articles 15

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边	含义
＜D_i,D_j＞	D_i引用D_j
＜D_i,C₂＞	C₂是D_i的分类号
＜D_i,V₁＞	v₁是专利D_i的发明人
＜D_i,a₁＞	a₁是专利的所有权人
＜D_i,T₁＞	D_i包含关键词t₁

方法	MAP		召回率
方法	MAP	R@10	R@50	R@100
CV-PCR	0.357	0.214	0.453	0.524
BL2(CTM)	0.318	0.19	0.346	0.406
BL1	0.173	0.131	0.272	0.347

类别	数据集1		数据集2		数据集3
类别	COA(1)	COA(2)	COA(1)	COA(2)	COA(1)	COA(2)
核心	18.77	40.88	12.73	27.34	12.73	31.32
一般	4.2	10.82	7.22	16.89	4.49	10.01

方法		top@10			top@30			top@50
方法	准确率	召回率	F1	准确率	召回率	F1	准确率	召回率	F1
COA	0.11	0.056	0.07	0.092	0.138	0.11	0.086	0.215	0.123
PageRank	0.106	0.053	0.07	0.1	0.15	0.12	0.112	0.28	0.16
CorePatent	0.188	0.094	0.125	0.192	0.288	0.231	0.192	0.48	0.274
PatentDom	0.194	0.097	0.129	0.22	0.33	0.263	0.212	0.53	0.3

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算法	MAP	召回率	PRES
Nijm(rank1)	0.058 2	0.630 3	__
Hyder(rank2)	0.059 3	0.571 3	__
AQE-TPR	0.125 0	0.647 0	0.536 3

方法	数据集1	数据集2	数据集3
Patent Citation	59.75	54.84	51.82
COA(1)	53.20	70.63	64.49
COA(2)	59.76	69.79	60.15