Mapping the Topic Landscape of JPIM, 1984–2013: In Search of Hidden Structures and Development Trajectories
使用主题建模算法分析《产品创新管理杂志》1984-2013年1008篇全文，提取57个主题并追踪其发展轨迹，识别出热门、冷门、复兴、常青和边缘主题，为创新研究者提供该领域知识结构的全景图。
During the three decades since its inception in 1984, the JPIM has shaped the evolution of innovation research as a scientific field. It helped create a topic landscape that is not only more diverse and rich in insights, but also more complex and fragmented in structure than ever before. We seek to map this landscape and identify salient development trajectories over time. In contrast to prior citation‐based studies covering the first two decades of JPIM research, we benefit from recent advances in natural language processing and rely on a topic modeling algorithm to extract 57 distinct topics and the corresponding most common words, terms, and phrases from the entire full‐text corpus of 1008 JPIM articles published between 1984 and 2013. Estimating the development trajectory of each topic based on yearly publication counts in JPIM allows us to identify “hot,” “cold,” “revival,” “evergreen,” and “wall‐flower” topics. We map these topics onto the Product Development and Management Association ( PDMA ) Body of Knowledge categories and discover that these categories differ significantly not only in terms of their internal topic diversity and relative prevalence, but also—and arguably more importantly—in terms of their publication and citation trajectories over time. For instance, the PDMA category “Codevelopment and Alliances” exhibits only moderate topic diversity (7 out of 57 topics) and prevalence in JPIM (161 out of 1008 articles). That said, it is among the most dynamic categories featuring two evergreen topic (“ U sers and I nnovation” and “ T ools and S ystems for T echnology T ransfer”) and three hot topics (“ O pen I nnovation,” “ A lliances and C ooperation,” and “ N etworks and N etwork S tructure”) as well as a sharply growing annual number of citations received. Our findings are likely to be of interest to all those who are keen to (re)discover JPIM 's topic landscape in search of hidden structures and development trajectories.