1.Patent Mining 
1.1 Patent Search 
1.1.1 Selecting a Patent Database 
1.1.2 Identifying Search Keywords 
1.1.3 Data Selection 
1.1.4 Data Analysis 
2. Trends Analysis Using Data Mining 
2.1 Analysis of Trends by Country 
2.2 Analysis of Trends by Sector and Field 
2.3 Analysis of Trends by Key Technology Segment 
3.Conclusion 
3.1 Computer Technology Has the Highest Numbers of Patent Filings, Followed by Digital Communication 
3.2 Automatic Analysis Claims Largest Share of Key NLDP Patents in China, Followed by Processing or Translating 
3.3 NLDP Relevant Patents Concentrated Mostly on Electric Digital Data Processing 
Appendix 

Overview of the development of Chinese natural language data processing technology

Analysis of 2,147 patents by technology field and sector using the data mining techniques

Patent distribution share of international and Taiwanese assignees by country, by sector, and by technology field, and includes patent matrix analysis of key verses relevant technologies
 

Figure 1 Chinese NLDP Patent Distribution Share by Country: International Assignees 
Figure 2 Chinese NLDP Patent Distribution Share by Field: International Assignees 
Figure 3 Chinese NLDP Patent Distribution Share by Field: Taiwanese Assignees 
Figure 4 Chinese NLDP Patent Distribution Share by Sector: International Assignees 
Figure 5 Chinese NLDP Patent Distribution Share by Sector: Taiwanese Assignees 
Figure 6 Chinese NLDP Patent Distribution Share by Relevant Technology Segment: International Assignees 
Figure 7 Chinese NLDP Patent Distribution Share by Relevant Technology Segment: Taiwanese Assignees 
 

Table 1　Chinese NLDP Patents' Matrix Analysis: Key Technology vs. Relevant Technology