The software product line (SPL) community defines SPLs not only by technical aspects like configurability and code reuse among product line variants, but also by the engineering process that accompanies the development. This paper discusses the question whether this engineering process is a mandatory property of SPLs; it concretely examines the Linux Kernel, which is not being developed accordi...

With increasing globalization and loosely-coupled business relations between different companies, the importance of information exchange standards is increasing. GS1’s Electronic Product Code Information Services (EPCIS) is currently one of the main standards proposed for inter-organizational data exchange for track and trace purposes in the supply chain. However, despite its strong industrial ...

Software product lines have received considerable adoption in the software industry and prove to be a very successful approach to intra-organizational software reuse. Existing literature, however, often presents only a single approach towards adopting and evolving a software product line. In this paper, we present an overview of different approaches to architecture-centric, intraorganizational ...

Delta-oriented programming (DOP) is a flexible transformational approach to implement software product lines. In delta-oriented product lines, variants are generated by applying operations contained in delta modules to a (possibly empty) base program. These operations can add, remove or modify named elements in a program (e.g., classes, methods and fields in a Java program). This paper presents...

Software product lines comprise techniques to tailor a program by selecting features. Selected features translate into sequenced program transformations which extend a base program. However, a sequence translated from the user selection can be inefficient to execute. In this paper, we show how we optimize sequences of refactoring transformations to reduce the composition time for product line p...

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Resumen. A partir de la implementación de dos bases de datos a priori independientes la una de la otra (libros virtuales y webs de interés para la comunidad universitaria), el Servicio de Bibliotecas y Documentación de la UPC se plantea el proyecto de integración de los distintos servicios que ofrece a través de su sede web mediante un esquema más amplio de bases de datos relacionales vinculada...

In this paper, the authors describe the UPC speaker identification system submitted to the CLEAR’07 (Classification of Events, Activities and Relationships) evaluation. Firstly, the UPC single distant microphone identification system is described. Then the use of combined microphone inputs in two different approaches is also considered. The first approach combines signals from several microphon...

These working notes paper present the contribution of the UPC team to the Hyperlinking sub-task of the Search and Hyperlinking Task in MediaEval 2013. Our contribution explores the potential of a solution based only on visual cues. In particular, every automatically generated shot is represented by a keyframe. The linking between video segments is based on the visual similarity of the keyframes...

Reliable measures of person positions are needed for computational perception of human activities taking place in a smart-room environment. In this work, we present the Person Tracking systems developed at UPC for audio, video and audio-video modalities in the context of the EU funded CHIL project research activities. The aim of the designed systems, and particularly of the new contributions pr...