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The dynamics of innovation are nonlinear and complex: geographical, technological, and economic selection environments can be expected to interact. Can patents provide an analytical lens to this process in terms of different attributes such…

Computers and Society · Computer Science 2014-09-11 Loet Leydesdorff , Floortje Alkemade , Gaston Heimeriks , Rinke Hoekstra

This paper presents a new global patent map that represents all technological categories, and a method to locate patent data of individual organizations and technological fields on the global map. This overlay map technique may support…

Physics and Society · Physics 2015-03-13 Luciano Kay , Nils Newman , Jan Youtie , Alan L. Porter , Ismael Rafols

Using the 138,751 patents filed in 2006 under the Patent Cooperation Treaty, co-classification analysis is pursued on the basis of three- and four-digit codes in the International Patent Classification (IPC, 8th edition). The…

Physics and Society · Physics 2009-11-10 Loet Leydesdorff

In recent years, the countries of the world have drafted the specifications of connected cars; for instance, the Security Credential Management System (SCMS) has been proposed by United States Department of Transportation (USDOT), and the…

Networking and Internet Architecture · Computer Science 2024-07-19 Abel C. H. Chen , Chia-Shen Chang

Cities are engines of the knowledge-based economy, because they are the primary sites of knowledge production activities that subsequently shape the rate and direction of technological change and economic growth. Patents provide a wealth of…

Digital Libraries · Computer Science 2016-12-20 Dieter Franz Kogler , Gaston Heimeriks , Loet Leydesdorff

We report on the development of an interface to the US Patent and Trademark Office (USPTO) that allows for the mapping of patent portfolios as overlays to basemaps constructed from citation relations among all patents contained in this…

Digital Libraries · Computer Science 2012-11-20 Loet Leydesdorff , Duncan Kushnir , Ismael Rafols

Patent classification aims to assign multiple International Patent Classification (IPC) codes to a given patent. Recent methods for automatically classifying patents mainly focus on analyzing the text descriptions of patents. However, apart…

Artificial Intelligence · Computer Science 2024-06-21 Tao Zou , Le Yu , Junchen Ye , Leilei Sun , Bowen Du , Deqing Wang

Recent works in the information science literature have presented cases of using patent databases and patent classification information to construct network maps of technology fields, which aim to aid in competitive intelligence analysis…

Social and Information Networks · Computer Science 2016-03-10 Bowen Yan , Jianxi Luo

Network maps of patent classes have been widely used to analyze the coherence and diversification of technology or knowledge positions of inventors, firms, industries, regions, and so on. To create such networks, a measure is required to…

Digital Libraries · Computer Science 2019-02-20 Bowen Yan , Jianxi Luo

In the realm of patent document analysis, assessing semantic similarity between phrases presents a significant challenge, notably amplifying the inherent complexities of Cooperative Patent Classification (CPC) research. Firstly, this study…

Computation and Language · Computer Science 2024-01-17 Liqiang Yu , Bo Liu , Qunwei Lin , Xinyu Zhao , Chang Che

A technique is developed using patent information available online (at the US Patent and Trademark Office) for the generation of Google Maps. The overlays indicate both the quantity and quality of patents at the city level. This information…

Computers and Society · Computer Science 2012-02-10 Loet Leydesdorff , Lutz Bornmann

Where do firms innovate? Mapping their locations and directions in technological space is challenging due to its high dimensionality. We propose a new method to characterize firms' inventive activities via topological data analysis (TDA)…

Econometrics · Economics 2022-04-04 Emerson G. Escolar , Yasuaki Hiraoka , Mitsuru Igami , Yasin Ozcan

In the information science literature, recent studies have used patent databases and patent classification information to construct network maps of patent technology classes. In such a patent technology map, almost all pairs of technology…

Social and Information Networks · Computer Science 2016-06-28 Bowen Yan , Jianxi Luo

The network of patents connected by citations is an evolving graph, which provides a representation of the innovation process. A patent citing another implies that the cited patent reflects a piece of previously existing knowledge that the…

Social and Information Networks · Computer Science 2013-04-05 Péter Érdi , Kinga Makovi , Zoltán Somogyvári , Katherine Strandburg , Jan Tobochnik , Péter Volf , László Zalányi

We apply Patent Citation Spectroscopy (PCS)--originally developed as Reference Publication Year Spectroscopy for studying landmarks and milestones in scientific literature--to patent literature classified into the nine Y-subclasses of the…

Digital Libraries · Computer Science 2018-04-11 Jordan Comins , Loet Leydesdorff

Patent examiners need to solve a complex information retrieval task when they assess the novelty and inventive step of claims made in a patent application. Given a claim, they search for prior art, which comprises all relevant publicly…

Information Retrieval · Computer Science 2020-12-29 Julian Risch , Nicolas Alder , Christoph Hewel , Ralf Krestel

Patents represent one of the most complete sources of information related to technological change. This paper presents three months of research on U.S. patents in the field of patent analysis. The methodology consists of using search terms…

Digital Libraries · Computer Science 2016-04-21 Xin Guo , Hyunseok Park , Christopher L. Magee

Control co-design (CCD) is a technique for improving the closed-loop performance of systems through the coordinated design of both plant parameters and an optimal control policy. While model predictive control (MPC) is an attractive control…

Systems and Control · Electrical Eng. & Systems 2023-04-18 Austin L. Nash , Herschel C. Pangborn , Neera Jain

Generalization, i.e., the ability of solving problem instances that are not available during the system design and development phase, is a critical goal for intelligent systems. A typical way to achieve good generalization is to learn a…

Neural and Evolutionary Computing · Computer Science 2021-02-24 Ke Tang , Shengcai Liu , Peng Yang , Xin Yao

In this paper, we extend some usual techniques of classification resulting from a large-scale data-mining and network approach. This new technology, which in particular is designed to be suitable to big data, is used to construct an open…

Physics and Society · Physics 2017-07-05 Antonin Bergeaud , Yoann Potiron , Juste Raimbault
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