Despite general agreement on the importance of social capital in individual knowledge creation, little is known concerning the role of dyadic social capital in collaborative knowledge creation. This study proposes a classification of dyadic social capital using two-dimensional matrix and investigates their roles in enhancing collaborative knowledge creation. It is found that the dyads who have strong dyadic tie strength while taking advantage of their dyadic bridging social capitals both in the ego network and global network come up with more high-impact knowledge. This study also challenges the statement that an inverted U-shaped relationship between dyadic tie strength and knowledge creation found in previous literatures, and indicates dyadic structure hole serving as effective moderating effect makes the quadratic effect disappear and catalyzes the strength of strong tie.

尽管人们普遍认为社会资本在个人知识创造中的重要性，但关于二元社会资本在协作知识创造中的作用知之甚少。本研究提出了使用二维矩阵对二元社会资本进行分类的方法，并研究了它们在增强协作知识创造中的作用。研究发现，在自我网络和全球网络中，既具有强大的二元联系强度又能利用其二元桥接的社会资本的二元组可以提供更具影响力的知识。这项研究还挑战了先前文献中发现的二元关系强度和知识创造之间呈倒U型关系的说法，