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References Navigation arrow Authors Navigation arrow Bernd Amann
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Bernd Amann

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Publications by Bernd Amann (bibliography)

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» 1995 «

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Amann, Bernd, Scholl, Michel and Rizk, Antoine (1995): Schema-Based Authoring and Querying of Large Hypertexts. In International Journal of Human-Computer Studies, 43 (3) pp. 281-299

“Modern hypertext applications require new system support for hypertext authoring and user navigation through large sets of documents connected by links. This system support must be based on advanced, typed data models for describing the information structure in different application domains. Schema based structuring through strongly typed documents and links has already been proposed and put to practical use in a multitude of hypertext applications. Systems such as Multicard/0{sub:2} and MORE have moreover exploited conceptual schemas for querying the resulting hyperdocuments in a more structured way. In this paper, we show how hypertext schemas and query languages can be utilized for designing hypertext authoring and browsing environments for large hypertexts. We illustrate our mechanisms using the Gram data model and describe their implementation on top of the Multicard hypermedia system connected to the O{sub:2} object-oriented database management system.”

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» 1994 «

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Amann, Bernd, Scholl, Michel and Rizk, Antoine (1994): Querying Typed Hypertexts in Multicard/O2. In: Proceedings of ECHT 94 the ACM European Conference on Hypermedia Technology Sept 18-23, 1994, Edinburgh, UK. pp. 198-205. Available online

“Due to the growing complexity of modern hypertext applications, current hypertext systems require new mechanisms to support authoring and user navigation through large sets of documents connected by links. A general solution is to extend hypertext systems to cater for semantics of application domains. This requires new hypertext models providing strongly typed documents and links. Such models have been proposed and put to use in systems such as HDM and MacWeb to facilitate authoring of large hypertexts. In addition, Gram and MORE use typing and graph-based hypertext schemas for querying hyperdocuments. In this paper, we will show how query languages could be further exploited for designing sophisticated general query-based navigation mechanisms. We illustrate our examples using the Gram model and describe an implementation with the hypermedia system Multicard connected to the object-oriented database management system O2.”

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» 1992 «

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Amann, Bernd and Scholl, Michel (1992): Gram: A Graph Data Model and Query Language. In: Lucarella, D., Nanard, Jocelyne, Nanard, Marc and Paolini, P. (eds.) Proceedings of ECHT 92 the Fourth ACM Conference on Hypertext November 30 - December 04, 1992, Milano, Italy. pp. 201-211. Available online

“We present a model for data organized as graphs. Regular expressions over the types of the node and edges are used to qualify connected sub-graphs. An algebraic language based on these regular expressions and supporting a restricted form of recursion is introduced. A natural application of this model and its query language is hypertext querying.”

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Amann, Bernd and Scholl, Michel (1992): Application of a Graph Model to Hypertext Querying. In: East-West International Conference on Human-Computer Interaction: Proceedings of the EWHCI92 1992. pp. 138-148.

“We present a model for data organized as graphs with typed nodes and edges. Regular expressions over the types of the node and edge labels are used to select walks in the hypertext graph. An outline of the application of this model and its query language to the implementation of hypertext documents is given by using an extended example of a travel agency application.”

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Changes to this page (author)

25 Feb 2010: Enabled abstracts to be shown on Bernd Amann's author page.
25 Jul 2007: Author was edited
28 Apr 2003: Added the author to the bibliography

Publication statistics

Publication period:1992-1995
Publication count:4
Number of co-authors:2



Productive colleagues

Bernd Amann's 3 most productive colleagues in number of publications:

Antoine Rizk:9
Michel Scholl:7


Collaboration count

Number of publications with 3 favourite co-authors:

Michel Scholl:4
Antoine Rizk:2

 

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Learn more about Bernd Amann:
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Mar 21

“ Software design is the act of determining the user's experience with a piece of software. It has nothing to do with how the code works inside, or how big or small the code is. The designer's task is to specify completely and unambiguously the user's whole experience. ”

-- David Liddle, From Bringing Design to Software, edited by Terry Winograd, 1996 ”

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Eva Hornecker on Tangible Interaction

Eva Hornecker explains the evolving concept of Tangible Interaction.

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