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In this work, we describe an approach for maintaining self-adapting personalized ontologies. We motivate this work with the observation that users are often interested in only small parts of larger domain ontologies; however, we also observe that users are frequently unaware of concepts that may be of interest given their past preferences. As such, we suggest that personalized ontologies should be...
Despite the evident benefits of semantic Web services, their widespread adoption by the industry is hindered by practicality issues. We see great promise in using proven Web 2.0 techniques to enable semantic Web services technologies to rise to their potential. We propose the social service network (SSN) - a framework integrating Web 2.0 social aspects to automatically enrich Web services with semantic...
The paper describes ways to support outsourcing arrangements using collaborative technologies. It identifies outsourcing falling into the general class of socio-technical systems. It then suggests any supporting systems must emphasize both the social arrangements as well as any functionality needed to carry out the outsourcing goal. At the same time they should provide the dynamic capability to change...
We investigate the structures of collaboration in software development groups by analyzing the data derived from the versioning system SVN (subversion) for several open source projects of different types and sizes. The goal of the work presented here is to investigate specific properties of the network topology in the collaboration groups of open source developer communities. For this purpose we developed...
Today, most approaches for inter-organizational business processes start bottom-up from the interfaces and the workflows of each partner described on the IT layer. Alternatively, one may start from the commitments and agreements between business partners to reach their complementary business goals. The latter approach is target of the UN/CEFACT Modeling Methodology (UMM), which models a global choreography...
To keep an overview on complex e-commerce collaborations several models are used to describe them. When models overlap in describing a collaboration, the overlapping information should not contradict. Models are of different nature and maintained by different people. Therefore, keeping model-overlap contradiction-free is challenging. In this paper we propose a novel approach for maintaining models...
Managing business collaboration is about coordinating the flow of information among organizations and linking their business processes into a cohesive whole. A consistent outcome is expected within and among involving organization. However, inadequate coordination onthe autonomous, heterogeneous, and long-lasting cross-organizational business processes can lead to inconsistent execution in loosely-coupled...
Electronic commerce has provided retailers with effective instruments to deploy one-to-one marketing over the internet. While the increasing use of sensors, RFID tags and other technologies enables the deployment of one-to-one marketing also in stationary retail stores, ini-tial experiments in realizing personalization in this setting have shown that customers' acceptance is low, as services require...
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