Integrating Database and Dialogue Design

Schewe, Klaus‐Dieter; Schewe, Bettina

doi:10.1007/s101150050001

Cited by 31 publications

(9 citation statements)

References 16 publications

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“…The emphasis is on the data processed in the storyboard and the actions on these data in order to describe content and functionality in a formal way, and to develop database support. In this sense the modelling task is quite similar to the task for dialogue-based information systems, for which the theory of dialogue objects was developed in [19].…”

Section: Overviewmentioning

confidence: 99%

“…Then, in order to model the required functionality we also add operations to interaction types. This is completely analogous to the d-operations on dialogue types [19]. An operation on an interaction type M consists of an operation signature, i.e., name, inputparameters and output-parameters, a selection type which is a supertype of cont(M), and a body which is defined via operations accessing the underlying database.…”

Section: Operations On Interaction Typesmentioning

confidence: 99%

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Conceptual modelling of web information systems

Schewe

Thalheim

2005

Data & Knowledge Engineering

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Section: Overviewmentioning

confidence: 99%

Section: Operations On Interaction Typesmentioning

confidence: 99%

Conceptual modelling of web information systems

Schewe

Thalheim

2005

Data & Knowledge Engineering

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“…Media types provide a theoretically sound way to integrate databases, external views, navigation structures, operations, and even support adaptivity to different users, environments and channels. The adaptivity feature distinguishes them from the dialogue types that are used to integrate database systems with their user interfaces (see Schewe and Schewe 2000). Feyer et al (1998), Thalheim (2001, 2004) provide details concerning user profiling and story boarding that are part of the co-design methodology for the development of web-based information systems.…”

Section: Literature Reviewmentioning

confidence: 99%

Emphasizing the communication aspects for the successful development of electronic business systems

Schewe

Kaschek

Wallace

et al. 2005

ISeB

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In order to be successful, web-based electronic business systems have to be developed in such a way that both the customers' needs and the business intentions of the provider are met. As human-to-human interaction is partly replaced by human-computer interaction in such systems, this requires anticipating the users' behaviour and paying a lot of attention to the communication aspects. In this article a development method is suggested that emphasizes the communication aspects in web-based systems. It is based on user profiling and story boarding. User profiles can be used to classify user needs as well as the various kinds of system support for them. The story board describes stories, i.e. navigation paths of users through the system, which can be used to model the behaviour of users. To discover user profiles and stories, two interleaved activities are suggested: communication analysis and linguistic analysis. Communication analysis addresses typical human-to-human interaction in the application domain and classifies typical communication barriers. We argue that using localisation abstraction and metaphors can help to overcome communication barriers, implying that their use may enhance the users' understanding and successful navigation through a web site. Linguistic analysis addresses how the activities of the users would be described in natural language. Analysing the used word fields and metaphorical structures may provide guidance for centering the story board around the central activities. We use a typical banking application, on-line loan systems, as an example to illustrate our method.

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“…We therefore talk of views that are open and those that are closed. These service operations and the view generating queries are actually what is exported from the database system to be used by other systems or directly by users, in which case we obtain the dialogue interfaces described in [25] or the web interfaces in [28].…”

Section: Definition 3 (Extended View Postulate) An Abstract Statementioning

confidence: 99%

“…We take an abstract, conceptual approach to service specification, composition and personalisation with a particular focus on data-intensive services, in which not only functional, but also data resources are made available. We adopt the fundamental idea from the area of dialogue systems [25] that a service can be described by two layers: a hidden database layer consisting of a database schema and transactions, and a visible view layer on top of it providing views and functions based on them.…”

Section: Introductionmentioning

confidence: 99%

A theory of data-intensive software services

Schewe²,

Thalheim

et al. 2009

SOCA

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We introduce Abstract State Services (AS 2 s) as an abstraction of data-intensive services that can be made available for use by other systems, e.g. via the web. An AS 2 combines a hidden database layer with an operationequipped view layer, and can be anything from a simple function to a full-fledged Web Information System or a Data Warehouse. We adopt the fundamental approach of Abstract State Machines to model AS 2 s and show that AS 2 s capture the fundamentals of approaches such as media types, meme media, SOA and web services excluding presentation issues. Then we show how tailored services can be extracted from available AS 2 s, combined with other AS 2 components and personalised to user preferences.Keywords Abstract state machine · Abstract state service · Software service · Extended view · Meme media · Media type · Service composition · Service personalisation

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Integrating Database and Dialogue Design

Cited by 31 publications

References 16 publications

Conceptual modelling of web information systems

Conceptual modelling of web information systems

Emphasizing the communication aspects for the successful development of electronic business systems

A theory of data-intensive software services

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