-
Falquet, G.; Guyot, J.; Nerima, L.: Languages and tools to specify hypertext views on databases (1999)
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- Abstract
- We present a declarative language for the construction of hypertext views on databases. The language is based on an object-oriented data model and a simple hypertext model with reference and inclusion links. A hypertext view specification consists in a collection of parameterized node schemes which specify how to construct node and links instances from the database contents. We show how this language can express different issues in hypertext view design. These include: the direct mapping of objects to nodes; the construction of complex nodes based on sets of objects; the representation of polymorphic sets of objects; and the representation of tree and graph structures. We have defined sublanguages corresponding to particular database models (relational, semantic, object-oriented) and implemented tools to generate Web views for these database models
- Date
- 21.10.2000 15:01:22
-
McKnight, C.; Dillon, A.; Richardson, J.: Hypermedia (1992)
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- Source
- Encyclopedia of library and information science. Vol.50, [=Suppl.13]
-
Kinnell, S.K.; Franklin, C.: Hypercard and hypertext : a new technology for the 1990s (1992)
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- Source
- Encyclopedia of library and information science. Vol.49, [=Suppl.12]
-
Arents, H.C.; Bogaerts, W.F.L.: Concept-based indexing and retrieval of hypermedia information (1996)
0.07
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- Source
- Encyclopedia of library and information science. Vol.58, [=Suppl.21]
-
Agosti, M.; Melucci, M.: Information retrieval techniques for the automatic construction of hypertext (2000)
0.07
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- Source
- Encyclopedia of library and information science. Vol.66, [=Suppl.29]
-
Johnson, A.; Fotouhi, F.: Adaptive clustering of hypermedia documents (1998)
0.07
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- Source
- Encyclopedia of library and information science. Vol.63, [=Suppl.26]
-
Perez, E.: Hypertext is growing up (1992)
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- Abstract
- Hypertext technology is appearing in mainstream commercial electronic data products including McGraw-Hill's CD-ROM version of their Encyclopedia of Science and Technology and the Facts on File News Digest 12-year cumulation. Provides a background to the development of hypertext. presents criticisms of hypertext and examples of its acceptance. Explores how hypertext translations of significant reference and information sources will penetrate the market. Discusses how hypertext could implement traditional information retrieval and control devices, the performance of people using hypertext and the absence of librarians in hypertext research and development
-
Cavallaro, U.: HIFI: hypertext interface for information : multimedia and relational databases (1993)
0.04
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- Abstract
- HIFI (ESPRIT project 6532) creates a set of tools to allow a reader to access a large body of heterogeneous information, managed by external databases created beforehand, through a hypertext interface. The HIFI approach is a model-based description of the hypertext application as it appears to the reader. A declarative and/or operational mapping translates hypertext operations (search, queries and navigation) into operations on the underlying information base and also 'materialises' hypertext objects, using objects of the underlying databases. The system supports hypertext development. Illustrates this with the cooperation of end users as partners or project sponsors
-
Marchionini, G.; Liebscher, P.: Performance in electronic encyclopedias : implications for adaptive systems (1991)
0.03
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- Abstract
- To make their system quickly usable, designers often build interfaces that reflect well-known manual activities. Demonstrates how undergraduates use their mental models for print encyclopedias to develop minimal proficiency with various electronic encyclopedias. Lower performance levels in the electronic systems are due to additional cognitive load required to adapt and develop mental models for the new systems. For the fact retrieval questions used in these relativley small data bases, the hypertext encyclopedia required less cognitive load than the 2 traditional Boolean-based systems. Adaptive designs that provide multiple system images are encouraged to support more comprehensive user understanding and more varied tasks
-
Oliver, R.: ¬An investigation of skills transfer between hypermedia systems (1995)
0.03
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- Object
- Grolier encyclopedia
-
Kinnell, S.K.; Franklin, C.: Hypertext and hypercard : early development (2009)
0.03
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- Source
- Encyclopedia of library and information sciences. 3rd ed. Ed.: M.J. Bates
-
Schreiweis, U.: Hypertextstrukturen als Grundlage für integrierte Wissensakquisitionssysteme (1993)
0.03
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- Date
- 19.10.1995 10:22:53
-
Maurer, H.: Object-oriented modelling of hyperstructure : overcoming the static link deficiency (1994)
0.03
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- Abstract
- Although the object-oriente paradigm is well suited for modelling self-contained independent objects, it is not suited for modelling persistent relations (static links) between abstract data objects. At the same time, the concept of computer-navigable links is an integral part of hypermedia paradigm. In contrast to multimedia, where the object-oriented paradigm plays a leading role, the 'static link' deficiency considerably reduces the application of object-oriented methods in hypermedia. Presents a new logical data model (the HM Data Model) which incorporates the well-known principles of object-oriented data modelling into the management of large-scale, multi-user hypermedia databases. The model is based on the notion of abstract hypermedia data objects called S-collections. Computer-navigable links approach not only overcomes the static link deficiency of the object-oriented paradigm, but also supports modularity, incremental development, and flexible versioning, and provides a solid logical basis for sematic modelling
-
Hammwöhner, R.; Kuhlen, R.: Semantic control of open hypertext systems by typed objects (1994)
0.03
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- Abstract
- The C(K)onstance Hypertext System (KHS) is an elaborated example of an open hypertext system. Open hypertext systems combine heterogeneous resources and different hypertext applications such as e-mail, text and image hypertexts with access to online databases or other information resources. These hypertexts, to which heterogeneous users have access, grow steadily in size. This paper takes an object-oriented approach and proposes a rigorous typing of hypertext objects to overcome the problems of open hypertext. The advantage of this typing is shown on an e-mail hypertext as a special application of the KHS system. KHS is written in Smalltalk and is being developed on UNIX-machines
-
Aßfalg, R.: Integration eines offenen Hypertextsystems in den Internet-Mehrwertdienst World Wide Web : ein Ansatz unter Verwendung eines objektorientierten Datenbanksystems (1996)
0.03
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- Date
- 22. 2.1997 19:40:31
-
Menges, T.: Möglichkeiten und Grenzen der Übertragbarkeit eines Buches auf Hypertext am Beispiel einer französischen Grundgrammatik (Klein; Kleineidam) (1997)
0.03
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- Date
- 22. 7.1998 18:23:25
-
Ellis, D.; Furner-Hines, J.; Willett, P.: On the creation of hypertext links in full-text documents : measurement of inter-linker consistency (1994)
0.03
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- Abstract
- In important stage in the process of retrieval of objects from a hypertext database is the creation of a set of inter-nodal links that are intended to represent the relationships existing between objects; this operation is often undertaken manually, just as index terms are often manually assigned to documents in a conventional retrieval system. Studies of conventional systems have suggested that a degree of consistency in the terms assigned to documents by indexers is positively associated with retrieval effectiveness. It is thus of interest to investigate the consistency of assignment of links in separate hypertext versions of the same full-text document, since a measure of agreement may be related to the subsequent utility of the resulting hypertext databases. The calculation of values indicating the degree of similarity between objects is a technique that has been widely used in the fields of textual and chemical information retrieval; in this paper we describe the application of arithmetic coefficients and topological indices to the measurement of the degree of similarity between the sets of inter-nodal links in hypertext databases. We publish the results of a study in which several different of links are inserted, by different people, between the paragraphs of each of a number of full-text documents. Our results show little similary between the sets of links identified by different people; this finding is comparable with those of studies of inter-indexer consistency, where it has been found that there is generally only a low level of agreement between the sets of idenx terms assigned to a document by different indexers
-
Güven, S.; Feiner, S.: ¬A hypermedia authoring tool for augmented and virtual reality (2003)
0.03
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- Abstract
- Most existing hypermedia authoring systems are intended for use on desktop computers. These systems are typically designed for the creation of 2D documents and therefore employ 2D authoring mechanisms. In contrast, authoring systems for nontraditional multimedia/hypermedia experiences for 3D virtual or augmented worlds focus mainly on creating separate media objects and embedding them within the user's surroundings. As a result, linking these media objects to create 3D hypermedia is a tedious manual task. To address this issue, we present an authoring tool for creating and editing linked 3D hypermedia narratives that are interwoven with a wearable computer user's surrounding environment. Our system is designed for use by authors who are not programmers, and allows them to preview their results on a desktop workstation, as well as with an augmented or virtual reality system.
-
Gallagher, L.; Furuta, R.; Stotts, P.D.: Increasing the power of hypertext search with relational queries (1990)
0.02
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- Abstract
- Describes an SGL relational database schema for representing the objects in HyperCard, along with a technique for automatically populating this schema from a HyperCard stack using the facilities in HyperTalk with calls to the database manager. The stabndard relational database query language SQL can then be used to perform more general hypertext searches than are possible with the string search feature found in most hypertext browsing environments. These techniques, although demonstrated specially usinf HyperCard and Oracle for Macintosh, are generally applicable to a wide range of hypertext systems and relational databases
-
Bornman, H.; Solms, S.H.v.: Hypermedia, multimedia and hypertext : definitions and overview (1993)
0.02
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- Abstract
- Provides definitions of hypertext, multimedia and hypermedia. Discusses the advantages and disadvantages of hypermedia systems. Outlines a knowledge based approach in developing a hypermedia system using frames (objects), slots and relations between them. Inheritance is used to project features from one object to another. Discusses the presentation of information. Compares hypermedia and databases. Examines the reading and processing of hypermedia information according to the interaction method; structural responsibility and the extent of orientation
