CAJ | 학술논문

将复杂网络理论引入到项目组合管理中，以项目为节点，以项目之间的依赖关系为边，项目的成本看作点权，项目之间的依赖强度看作边权，将项目组合抽象为一个复杂加权网络。研究了4家企业的项目组合网络，在分析项目组合特性的基础上，概括了项目组合的复杂网络行为特征。对企业项目组合网络进行综合对比分析发现，项目组合网络具有如下相似特征：①节点度分布不同于其他社会网络，倾向于幂律分布，又有偏斜泊松分布的迹象；②度相关系数负相关，有别于其他社会网络；③具有集群结构；④聚集系数很大；⑤网络直径较小；⑥平均度数小于4。
장복잡망락이론인입도항목조합관리중，이항목위절점，이항목지간적의뢰관계위변，항목적성본간작점권，항목지간적의뢰강도간작변권，장항목조합추상위일개복잡가권망락。연구료4가기업적항목조합망락，재분석항목조합특성적기출상，개괄료항목조합적복잡망락행위특정。대기업항목조합망락진행종합대비분석발현，항목조합망락구유여하상사특정：①절점도분포불동우기타사회망락，경향우멱률분포，우유편사박송분포적적상；②도상관계수부상관，유별우기타사회망락；③구유집군결구；④취집계수흔대；⑤망락직경교소；⑥평균도수소우4。
The paper introduced complex network theories into project portfolio management, take projects as nodes, the relationships among the projects as edges, and the cost as node weight, the tightness of the projects as edge weight, The poject portfolio is then generalized as a weighted complex network.The papers studied project portfolio network of four enterprises, and sumerized the behavior characteristics on the basis of analysing the pro-ject portfolio.Through comparative analysis, the paper discovered these similarity characteristics:①Degree dis-tribution of the node differs from that of other society networks, it tends to be power-law, while also seems to follow skewed poisson distribution;②Relative coefficient of the degree is negetive, which also differs from other society networks;Project portfolio enjoys cluster structure;④Accumulation coefficient is large;⑤Network diam-eter is small;⑥the average degree is less than four.