A key objective of product line engineering is to accelerate the configuration of products to different customer needs. Deriving products from a software product line remains challenging, even for experienced software engineers. However, the configuration process typically also involves nontechnicians such as sales people with only little understanding of the underlying technical software solut...

Software Product Line engineering allows companies to realise significant improvements in timeto-market, cost, productivity, and system quality. One major difficulty with software product lines is that within industry there may exist thousands of variation points in a single product line. This scale of variability can become extremely complex to manage resulting in a product configuration proce...

Product line engineering deals with managing and implementing the variability among a set of related products. We distinguish between two kinds of variability: configuration and customization. Customization variability can be described using programming language code or creative construction DSLs, whereas configuration variability is described using configuration based approaches, such as featu...

In Software Product Line (SPL), Configuration Management (CM) is a multi-dimensional problem. On the one hand, the Core Assets that constitute a configuration need to be managed, and on the other hand, each product in the product line that is built using a configuration must be managed, and furthermore, the management of all these configurations must be coordinated under a single process. There...

Developing Ambient Intelligence applications is a very complex task since it implies dealing with low-level software and hardware resources. The use of a middleware platform may alleviate this task by providing a set of high-level and platform-independent services to these kinds of applications. Nevertheless, the tendency is that the middleware deployed in each device has a flat and homogeneous...

We propose a novel extended formulation for the line planning problem in public transport. It is based on a new concept of frequency configurations that account for all possible options to provide a required transportation capacity on an infrastructure edge. We show that this model yields a strong LP relaxation. It implies, in particular, general classes of facet defining inequalities for the s...

In this paper we propose a model for measurementbased network configuration. In the model, resource allocation is based on provisioning cycles, whereby monitoring is used to build a matrix with expected traffic patterns. Such a matrix drives the subsequent network configuration phase, which is performed via a hybrid Traffic Engineering approach, combining both off-line and on-line algorithms. F...

Software Product Line engineering allows companies to realise significant improvements in timeto-market, cost, productivity, and system quality. One major difficulty with software product lines is that within industry there may exist thousands of variation points in a single product line. This scale of variability can become extremely complex to manage resulting in a product configuration proce...

Software Product Line engineering allows companies to realise significant improvements in timeto-market, cost, productivity, and system quality. One major difficulty with software product lines is that within industry there may exist thousands of variation points in a single product line. This scale of variability can become extremely complex to manage resulting in a product configuration proce...