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PublicationFuture Work and Enterprise Systems(Springer Gabler, 2018-05-25)From its earliest days, research in business and information systems engineering (BISE) has been dedicated to envisioning how information technology will change the way we work and live. Today, technological innovation happens at a faster pace and reaches users more quickly than ever before. For example, while it took 75 years for the telephone to reach 100 million users, it was 16 years for mobile phones, 7 years for the World Wide Web, four and a half years for Facebook (Dreischmeier et al. 2015), and only a few weeks for Pokémon GO (Moon 2016). The rapid acceleration of technological diffusion confronts BISE researchers, who usually study technological innovations from the perspective of socio-technical systems (Bostrom and Heinen 1977). Work systems are conceptualized as an interplay of tasks, technologies, and people (vom Brocke and Rosemann 2014), systems “in which human participants and/or machines perform work (processes and activities) using information, technology, and other resources to produce specific products/services for specific internal and/or external customers” (Alter 2013, p. 75).Type:Journal:Volume:Issue:
Scopus© Citations 72 -
PublicationDesign and Preliminary Evaluation of a Mobile Application for Obesity Experts and Children Teams (Abstract)(Wiley-Blackwell, 2014-12)
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PublicationDesign and Evaluation of Ubiquitous Information Systems and Use in Healthcare(Elsevier, 2012-12)Designing Ubiquitous Information Systems (UIS) for supporting complex everyday situations requires extended design methods and models. To address this, we introduce design models as a special class of conceptual models that support design processes for IS in general and UIS in particular. Design models for UIS are concise abstract conceptual models of key situations that conceive social, informational, physical, and service properties as requirements for targeted Information Systems. In this paper, we show how design models can be derived from narratives of key situations, guided by information systems ontologies, and domain specific input theories. This conceptual level offers an innovative approach for designing Ubiquitous Information Systems (UIS) in general and Healthcare Ubiquitous Information Systems (H-UIS) in particular. The proposed design approach is applied for developing H-UIS for reducing Adverse Drug Events (ADEs) by improving the communications between patients and healthcare professionals. Using the domain specific input theory of Health Promotion Model (HPM), the modeling guidelines for design models are generated and utilized in the development of a H-UIS avoid ADEs. The H-UIS improves several processes involving information technologies for healthcare professionals. The system is empirically evaluated and results show high level of interest among users and initial positive adoption effects. Open issues and future research opportunities are also presented at the end.Type:Journal:Volume:Issue:
Scopus© Citations 45 -
PublicationS3QL: A distributed domain specific language for controlled semantic integration of life sciences data(BioMed Central, 2011-07-14)Background: The value and usefulness of data increases when it is explicitly interlinked with related data. This is the core principle of Linked Data. For life sciences researchers, harnessing the power of Linked Data to improve biological discovery is still challenged by a need to keep pace with rapidly evolving domains and requirements for collaboration and control as well as with the reference semantic web ontologies and standards. Knowledge organization systems (KOSs) can provide an abstraction for publishing biological discoveries as Linked Data without complicating transactions with contextual minutia such as provenance and access control. We have previously described the Simple Sloppy Semantic Database (S3DB) as an efficient model for creating knowledge organization systems using Linked Data best practices with explicit distinction between domain and instantiation and support for a permission control mechanism that automatically migrates between the two. In this report we present a domain specific language, the S3DB query language (S3QL), to operate on its underlying core model and facilitate management of Linked Data. Results: Reflecting the data driven nature of our approach, S3QL has been implemented as an application programming interface for S3DB systems hosting biomedical data, and its syntax was subsequently generalized beyond the S3DB core model. This achievement is illustrated with the assembly of an S3QL query to manage entities from the Simple Knowledge Organization System. The illustrative use cases include gastrointestinal clinical trials, genomic characterization of cancer by The Cancer Genome Atlas (TCGA) and molecular epidemiology of infectious diseases. Conclusions: S3QL was found to provide a convenient mechanism to represent context for interoperation between public and private datasets hosted at biomedical research institutions and linked data formalisms.Type:Journal:Volume:Issue:
Scopus© Citations 12 -
PublicationA design model for knowledge-based pricing services in the retail industryMarketing research has identified several benefits of dynamic pricing strategies in the retail industry. However, today's retailers are limited to apply them in real-time to customer needs as corresponding pricing services provided by smart product infrastructures have not been adopted so far. In addition, dynamic pricing strategies rely on a business service ecosystem of retailers, suppliers, customers and regulatory bodies and thus, interoperability is required. Because unprecedented, our objectives are therefore to propose, implement and evaluate a design model for pricing services that rely on explicit semantics and rules, denoted as knowledge-based pricing services (KPSs). In this work, we propose a design model for KPSs and empirically evaluate their utility from a customer perspective with the help of a web-based application. We finally draw implications for business models in the retail industry and discuss tools that already exist to adopt KPSs in the near future.Type:Journal:Volume:Issue:
Scopus© Citations 1 -
PublicationThe Role of Product Reviews on Mobile Devices for In-store Purchases: Consumers' Usage Intentions, Costs and Store PreferencesProduct reviews help consumers in purchase decisions. In contrast to reviews obtained from websites on the desktop, it is open if they are adopted for in-store purchases on mobile devices. Further, it is open to which degree free product reviews provided by users or paid product reviews provided by experts are adopted and influence consumers' preferences for stores that offer access to them. To address these questions, a theoretical model based on Innovation Diffusion Theory, Technology Acceptance Model and Theory of Planned Behaviour is developed and empirically tested with 116 subjects. Results indicate that consumers intend to use product reviews on mobile devices for in-store purchases. Moreover, they are willing to pay almost five percent of the product's price for a review. Based on these findings, new business models for providers of product reviews and store managers are feasible, which extend physical products with value-added online servicesType:Journal:Volume:Issue:
Scopus© Citations 19 -
PublicationS3DB core: a framework for RDF generation and management in bioinformatics infrastructures(BioMed Central, 2010-07-20)Biomedical research is set to greatly benefit from the use of semantic web technologies in the design of computational infrastructure. However, beyond well defined research initiatives, substantial issues of data heterogeneity, source distribution, and privacy currently stand in the way towards the personalization of Medicine. A computational framework for bioinformatic infrastructure was designed to deal with the heterogeneous data sources and the sensitive mixture of public and private data that characterizes the biomedical domain. This framework consists of a logical model build with semantic web tools, coupled with a Markov process that propagates user operator states. An accompanying open source prototype was developed to meet a series of applications that range from collaborative multi-institution data acquisition efforts to data analysis applications that need to quickly traverse complex data structures. This report describes the two abstractions underlying the S3DB-based infrastructure, logical and numerical, and discusses its generality beyond the immediate confines of existing implementations. Conclusions: The emergence of the "web as a computer" requires a formal model for the different functionalities involved in reading and writing to it. The S3DB core model proposed was found to address the design criteria of biomedical computational infrastructure, such as those supporting large scale multi-investigator research, clinical trials, and molecular epidemiologyType:Journal:Volume:Issue:
Scopus© Citations 12 -
PublicationIn-store Consumer Behavior : How Mobile Recommendation Agents Influence Usage Intentions, Product Purchases, and Store PreferencesProduct information given in purchase situations influences purchase behavior. In online purchase situations, the use of recommendation agents increases the value of product information as information becomes adaptive and thus more relevant to consumers' information needs. Correspondingly, mobile recommendation agents (MRAs) may also increase the value of product information in bricks-and-mortar stores. In this sense, product information is not only adaptive but can also be requested at any place such as in front of products consumers are interested in. Because unprecedented, we investigate the use of a MRA that is virtually bound to a physical product via an RFID-enabled mobile device and provides product information. Based on Theory of Planned Behavior, Innovation Diffusion Theory, and Technology Acceptance Model, we develop a model to better understand the impact of MRAs on usage intentions, product purchases and store preferences of consumers. This model is then tested in a lab experiment (n = 47). Among high usability scores, results indicate that perceived usefulness of a MRA influences product purchases, predicts usage intentions and store preferences of consumers. Thus, new business models for retail stores can be considered in which MRAs satisfy both the information needs of consumers and the communication needs of retailersType:Journal:Volume:Issue:
Scopus© Citations 133 -
PublicationInterorganizational Knowledge Exchanges(IEEE, 2008-07-01)The proposed knowledge exchange system couples case- based reasoning with ontologies to assist match-making between knowledge offers and knowledge demands in an interorganizational context
Scopus© Citations 6 -
PublicationPreface to the Focus Theme Section: 'Smart Products'(Routledge, 2008-08-01)The goal of this focus theme on smart products is the presentation of initial discussions of how embedding IT into tangible products leads to innovative information systems and thereby to new business opportunities. In the focus theme section some key issues are addressed with a particular focus on design methods and the business dimension of smart products
