An optimum expansion of a single capacity is considered when the installation cost is very large and future demand is given by an evolving process of Wiener. Risk of expansion is evaluated and included in the decision criteria which links the capacity expansion problem with financial investment...

Purpose This paper aims to elucidate the collaborative mechanism of knowledge collaboration in online communities. The effects of participant communication behaviors enabling knowledge collaboration, such as public discussion, private messaging and registration, are comprehensively investigated...

Purpose – Mobile social network games (mSNGs) are gaining increasing popularity recently. Many of the games are marketed using the brand pages on social network services including Facebook. The purpose of this paper is to identify the characteristics of the posts on the brand pages that affect...