Sustainable Technology Analysis Using Data Envelopment Analysis and State Space Models

To find sustainable technology in various areas, we propose an analytical methodology based on data envelopment analysis (DEA) and the state space model (SSM). DEA is an analytical method used to compare the efficiencies and performances of several items. In DEA, for sustainable technology analysis,...

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Vydáno v:Sustainability Ročník 11; číslo 13; s. 3597
Hlavní autoři: Kim, Jong-Min, Sun, Bainwen, Jun, Sunghae
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.07.2019
Témata:
Case studies
Data analysis
Data envelopment analysis
Decision making
Efficiency
Forecasting
Innovations
Inventors
Keywords
Linear programming
Methods
R&D
Research & development
Sustainability
Time series
ISSN:2071-1050, 2071-1050
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Abstract To find sustainable technology in various areas, we propose an analytical methodology based on data envelopment analysis (DEA) and the state space model (SSM). DEA is an analytical method used to compare the efficiencies and performances of several items. In DEA, for sustainable technology analysis, the items of DEA can be the technological keywords or international patent classification (IPC) codes in patent documents. In this paper, the proposed method is used to find the relative performance of different patent keywords using comparison and evaluation. We apply this methodology to compare the technological efficiencies between patent keywords for sustainable technology analysis. We apply the additive model and directional distance function of DEA to develop the proposed methodology for building the technological structure of target technology. In addition, we forecast the future trend of target technology using the SSM and find the area of sustainable technology by its result. The SSM is well suited for time series forecasting on technology analysis. We extract the IPC codes from patent documents for the SSM. In our research, we combine the results of DEA and the SSM to find the area of technological sustainability. To illustrate the validity and performance of our research, we conduct a case study using the patent documents used and registered by Apple.
AbstractList To find sustainable technology in various areas, we propose an analytical methodology based on data envelopment analysis (DEA) and the state space model (SSM). DEA is an analytical method used to compare the efficiencies and performances of several items. In DEA, for sustainable technology analysis, the items of DEA can be the technological keywords or international patent classification (IPC) codes in patent documents. In this paper, the proposed method is used to find the relative performance of different patent keywords using comparison and evaluation. We apply this methodology to compare the technological efficiencies between patent keywords for sustainable technology analysis. We apply the additive model and directional distance function of DEA to develop the proposed methodology for building the technological structure of target technology. In addition, we forecast the future trend of target technology using the SSM and find the area of sustainable technology by its result. The SSM is well suited for time series forecasting on technology analysis. We extract the IPC codes from patent documents for the SSM. In our research, we combine the results of DEA and the SSM to find the area of technological sustainability. To illustrate the validity and performance of our research, we conduct a case study using the patent documents used and registered by Apple.
Author Sun, Bainwen
Kim, Jong-Min
Jun, Sunghae
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SubjectTerms Case studies
Data analysis
Data envelopment analysis
Decision making
Efficiency
Forecasting
Innovations
Inventors
Keywords
Linear programming
Methods
R&D
Research & development
Sustainability
Time series
Title Sustainable Technology Analysis Using Data Envelopment Analysis and State Space Models
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