This paper proposes a new method to quantitatively evaluate the relative importance of a functionality in a technological domain at a specific time, called function score. Based on the function score and actual demand for each functionality, we developed a framework to analyze dynamic functional trends in a technological domain. To test the proposed method, this paper conducted an empirical study using Genome sequencing technology. The result shows that most of the important functionalities in different periods are well identified by the function score. The trend analysis framework effectively visualizes the dynamic changes of importance and demand for functionalities in Genome sequencing, and the results were also found to be qualitatively acceptable. Therefore, the proposed trend analysis based on the function score is being proposed here as a novel useful for understanding the fundamental developmental trends that occur within a technological domain.

本文提出了一种在特定时间定量评估功能在技术领域中的相对重要性的新方法，称为功能评分。基于功能得分和对每个功能的实际需求，我们开发了一个框架来分析技术领域中的动态功能趋势。为了检验该方法，本文使用基因组测序技术进行了实证研究。结果表明，功能评分可以很好地识别不同时期的大多数重要功能。趋势分析框架有效地可视化了基因组测序中重要性和功能需求的动态变化，结果也被定性接受。因此，基于功能评分的趋势分析在这里被提议作为一种新颖的方法，有助于理解技术领域内发生的基本发展趋势。