دانلود رایگان مقاله لاتین تنوع کنسانتره توانایی تکنولوژیکی از سایت الزویر
عنوان فارسی مقاله:
تنوع کنسانتره بر اساس توانایی های تکنولوژیکی: تحلیل لینک محصولات و فن آوری
عنوان انگلیسی مقاله:
Concentric diversification based on technological capabilities: Link analysis of products and technologies
سال انتشار : 2017
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بخشی از مقاله انگلیسی:
3. Data and methodology
3.1. Data We based our research on the integrated patent-product database constructed by KISTI (2012) from the United States Patent and Trademark Office (USPTO) database. The quality of this database has been verified by several domain experts and improved over the last four years,1 serving as a primary data source for KISTI's technology intelligence system, which is called the technology opportunity discovery (TOD) system (http://tod.kisti.re.kr). The structures and characteristics of this database are as follows. First, it uses a set of feasible product name entities extracted from the ‘Goods and Services’ field of the US trademark database through data parsing techniques. The product name entities obtained in this way are considered to be valid since the owner of a trademark for a product should verify its commercial use in the market according to the US Trademark Law. KISTI's product database also includes variants of product names, as they can be written using different expressions: for instance, “AC-DC converter” can be written as “AC-to-DC converter” or “AC/DC converter”. Second, it employs the US patents to analyse international technologies because the US is the world's largest patent market where the majority of patents submitted to the USPTO are also submitted in other countries (Lee et al., 2015). Finally, the relationships between patents and products are constructed via matching product name entities extracted from the US trademark database to product name candidates extracted from the title, abstracts, and claims of US patents, by using text mining and keyword recognition techniques. Specifically, keyword recognition is done via tagging, parsing, and head word classification by using the Stanford parser. The patent description part was excluded from this task since it includes enormous noise data and reduces reliability in matching products and patents. Table 2 shows the structure of the integrated patent-product data employed in this research. In the table, the data fields of patent and representative products are employed to construct a product ecology network and to identify potential areas for concentric diversification, while the remaining fields are used to assess the characteristics of potential areas for concentric diversification. While this study uses the USPTO database to construct an integrated patent-product database, other types of databases such as the European Patent Office (EPO) and Securities and Exchange Commission (SEC) 10-k databases, can also be employed.
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کلمات کلیدی:
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