Assume a network (V, E) where a subset of the nodes in V are active. We consider the
problem of selecting a set of k active nodes that best explain the observed activation state …

We propose that the information access behavior of a group of people can be modeled as
an information flow issue, in which people intentionally or unintentionally influence and …

Databases are a significant source of information in organizations and play a major role in
managerial decision-making. This study considers how to process commercial data on …

Abstract k-Nearest Neighbor (k-NN) and other user-based collaborative filtering (CF)
algorithms have gained popularity because of the simplicity of their algorithms and …

Recommender systems are designed to predict user preference for items using his/her past
activities. Predominant studies have focused on modeling and developing recommendation …

ABSTRACT Latent Dirichlet Allocation (LDA) is generative probabilistic framework to model
and summarize large document collections in an unsupervised fashion. Documents in the …

Consider a 0–1 observation matrix M, where rows correspond to entities and columns
correspond to signals; a value of 1 (or 0) in cell (i, j) of M indicates that signal j has been …

For companies that want to sell a high volume of products, it is important to identify
innovative buyers to help with product marketing efforts. The purpose of this paper is to …

In chasm theory, it is found from field data that many new products have an initial sales peak
followed by a decline. In some cases, this decline lasts for a long period of time, which is …

It is important to effectively penetrate a market with products in marketing of convenience
products such as foods with short life cycles. It can be said that as products penetrate …