We study the number of ways to factor a natural number n into an ordered product of integers, each factor greater than one, denoted by H(n). This counting function from number the...
Abstract: In order to fulfil sets of similar user requirements within a specific application domain, one typically uses software product line engineering. In this paper, we investi...
In this paper, we present a methodology to express, in a formal way, the requirements of products belonging to a product line. We relied on a formalism allowing the representation ...
Alessandro Fantechi, Stefania Gnesi, Giuseppe Lami...
Product recommendation systems are now a key part of many e-commerce services and have proven to be a successful way to help users navigate complex product spaces. In this paper, w...
Electronic commerce (e-commerce) covers a wide range of business transactions. Usually, a transactions includes products, i.e. goods or services. Often, e-commerce websites are int...