-
Herczeg, J.; Hohl, H.; Ressel, M.: HYPERQUERY: ein Anfragesystem mit graphischer Benutzeroberfläche (1991)
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- Abstract
- Das System HYPERQUERY ist ein Informationssystem, das Benutzern den Zugriff auf stark vernetzte multimediale Informationen erleichtern soll. Hierzu wurde ein Hypertext- bzw. Hypermediasystem um eine Anfragekomponente erweitert, die den gezielten Einstieg in eine objektorientierte Datenbasis erleichtert. Das System soll insbesondere Gelegenheitsbenutzern ermöglichen, Reiseinformationen abzurufen. Der Benutzerschnittstelle fällt dabei eine wichtige Rolle zu. Die Implementierungen zweier unterschiedlicher graphischer Benutzeroberflächen der Anfragekomponente werden vorgestellt und diskutiert
- Source
- Information retrieval: GI/GMD-Workshop, Darmstadt, 23.-24.6.1991: Proceedings. Ed.: N. Fuhr
-
Dimitroff, A.; Wolfram, D.: Searcher response in a hypertext-based bibliographic information retrieval system (1995)
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- Abstract
- This article examines searcher behavior and affective response to a hypertext-based bibliographic information retrieval system called HyperLynx for searchers with different search skills and backgrounds. Search times and number of nodes visited were recorded for five specified search queries, and views of the system were recorded for each searcher. No significant differences were found in search times or user satisfaction with the system, indicating that a hypertext-based approach to bibliographic retrieval could be appropriate for a variety of searcher experience levels
- Source
- Journal of the American Society for Information Science. 46(1995) no.1, S.22-29
-
Kim, S.H.; Eastman, C.M.: ¬An experiment on node size in a hypermedia system (1999)
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- Abstract
- The node size that should be used in a hypermedia system is an important design issue. 3 interpretations of node size are identified: storage (physical size), window size (presentation size), and length (logical size). an experiment in which presentation size and text length are varied in a HyperCard application is described. The experiment involves student subjects performing a fact retrieval task from a reference handbook. No interaction is found between these 2 independent variables. Performance is significantly better for the longer texts, but no significant difference is found for the 2 different window sizes
- Date
- 22. 5.1999 9:35:20
-
Spertus, E.: ParaSite : mining structural information on the Web (1997)
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- Abstract
- Discusses the varieties of link information on the WWW, how the Web differs from conventional hypertext, and how the links can be exploited to build useful applications. Specific applications presented as part of the ParaSite system find individuals' homepages, new locations of moved pages and unindexed information
- Date
- 1. 8.1996 22:08:06
-
Wolfram, D.; Volz, A.; Dimitroff, A.: ¬The effect of linkage structure on retrieval performance in a hypertext-based bibliographic retrieval system (1996)
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- Abstract
- Investigates how linkage environments in a hypertext based bibliographic retrieval system affect retrieval performance for novice and experienced searchers, 2 systems, 1 with inter record linkages to authors and descriptors and 1 that also included title and abstract keywords, were tested. No significant differences in retrieval performance and system usage were found for most search tests. The enhanced system did provide better performance where title and abstract keywords provided the most direct access to relevant records. The findings have implications for the design of bilbiographic information retrieval systems using hypertext linkages
-
Aboud, M.; Chrisment, C.; Razouk, R.; Sedes, F.; Soule-Dupuy, C.: Querying a hypertext information retrieval system by the use of classification (1993)
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- Abstract
- We present in this paper a navigation approach using a combination of functionalities encountered in classification processes, Hypertext Systems and Information Retrieval Systems. its originality lies in the cooperation of these mechanisms to restrict the consultation universe, to locate faster the searched information, and to tackle the problem of disorientation when consulting the restricted Hypergraph of retrieved information. A first version of the SYRIUS system has been developed integrating both Hypertext and Information Retrieval functionalities that we have called Hypertext Information Retrieval System (H.I.R.S.). This version has been extended using classification mechanisms. The graphic interface of this new system version is presented here. Querying the system is done through common visual representation of the database Hypergraph. The visualization of the Hypergraph can be parameterized focusing on several levels (classes, links,...)
-
Wolfram, D.: Inter-record linkage structure in a hypertext bibliographic retrieval system (1996)
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- Abstract
- Explores inter record linkage relationships of a bibliographic hypertext system through the use of descriptor term co-occurrences. Using term distribution and term exhaustivity data for an existing system, develops 3 models of term co-occurrence and tests against the observed data. The developed models do not adequately model the observed co-occurrence patterns for select parts of the distribution using chi-square values. With knowledge of the structure of such a hypertext system, an appropriate model may be constructed and used as the basis for studying systems design of inter-record linkages and system navigation by users in such a hypertext system
-
Wolfram, D.; Dimitroff, A.: Preliminary findings on searcher performance and perceptions of performance in a hypertext bibliographic retrieval system (1997)
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- Abstract
- Reports on research examining the relationship of searcher performance and perception of performance, particulary for hypertext-based onformation retrieval systems for bibliographic data. Employs a prototype hypertext bibliographic retrieval system called HyperLynx. Evaluates its use by 83 subjects at the School of Library and Information Science and the Golda Meir Library at the University of Wisconsin-Milwaukee, USA. Measures of system usgae indicate that there is no significant relationship between confidence and the number of record pages visited, although confident searchers searched for shorter time periods. The reality check measures shows that both novice and experienced searchers were over confident in their performance
-
Roberts, G.L.; Kenny, C.E.: Hypertext image retrieval (1991)
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- Abstract
- Discusses the decision points and major implementation steps for deploying a client server full text image retrieval system within a large aerospace manufactoring organisation. The changes in interface brought about by moving from workstation platform to client server, and combining a controlled vocabulary data base with a full text data base are described
-
Dimitroff, A.; Wolfram, D.; Volz, A.: Affective response and retrieval performance : analysis of contributing factors (1996)
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- Abstract
- Describes a study which investigated the affective response of 83 subjects to 2 versions of a hypertext-based bibliographic retrieval system. The objective of the study was to determine if subjects preferred searching a hypertext information retrieval (IR) system via traditional bibliographic links or via an enhanced set of linkages between structured records. The study also examined the utility of using factor analysis to explore subjects' affective responses to searching the 2 hypertext-based IR systems; explored the effect of experience on search outcome; and compared the effect of different types of linkages within the hypertext system. Findings reveal a complex relationship between system and user that is sometimes contradictory. Searchers found the systems to be usable or unusable in different ways indicating that further researchg is needed to isolate to specific features that searchers find frustrating or not in searching structured records via a hypertext-based IR system
-
Nelson, M.J.: ¬The design of a hypertext interface for information retrieval (1991)
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- Abstract
- Hypertext for multi-media and full-text documents is rapidly developed on all fronts. For bibliographic information retrieval the applications are promising but pose several difficulties. Describes work conducted at the School of Library and Information Science at Univ. of Western Ontario the objective of which is to add the capability of a browsing search to an existing OPAC through the use of Windowed Hypertext Interface for Zippy Retrieval and Display (WHIZRD) software. Discusses the underlying retrieval capabilities of the system. Examines design problems and solutions and outlines future enhancements
-
Savoy, J.: ¬A learning scheme for information retrieval in hypertext (1994)
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- Abstract
- In proposing a searching strategy well suited to the hypertext environment, we have considered four criteria: (1) the retrieval scheme should be integrated into a large hypertext environment; (2) the retrieval process should be operable with an unrestricted text collection; (3) the processing time should be reasonable; and (4) the system should be capable of learning in order to improve its retrieval effectiveness
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Smeaton, A.F.: Retrieving information from hypertext : issues and problems (1991)
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- Abstract
- Hypertext uses a browsing rather than a searching strategy. Hypertext systems have found applications in a number of areas. They give users choice of information but this can prove a drawback. Examnines the effectiveness of hypertext as a way of retrieving information and reviews conventional information retrieval techniques. Considers previous attempts at combining information retrieval and hypertext and outlines a prototype systems developed to generate guided tours for users to direct them through hypertext to information they have requested. Discusses how adding this kind of itelligent guidance to a hypertext system would affect its usability as an information system
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Minitroff, A.; Wolfram, D.: Design issues in a hypertext-based information system for bibliographic retrieval (1993)
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- Abstract
- Examnies several feasibility issues and initial design considerations for a hypertext system for structured bibliographic retrieval. HyperLynx was developed using Asymmetric Toolbox. By combining searchable term indexes and inter-record linkages between common authors and descriptors, a flexible search environment is established conductive to browsing
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Masiero, P.C.: Authoring and searching in dynamically growing hypertext databases (1994)
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- Abstract
- Shows how an application in office information systems can be modelled so that a dynamically growing database of hypertext documents is created and automatically extended, as well as easily searched. Proposes a method for analyzing office applications which relies on a model based on statecharts to record the flow of documents within the system. A prototype implementation is described of a hypertext system to support the creation, storage and retrieval of documents associated with formal face to face meetings. Special features to be incorporated into hypertext systems aimed at supporting the storage and retrieval of office documents are also identified
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Perrott, R.; Smith, O.: ¬An experiment on the integration of hypertext within a multi-user retrieval system (1992)
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- Abstract
- Currently, few hypertext systems allow an author to incorporate electronic textual information into a hyperdocument without first copying it from the environment in which it is stored. In order to extend a hyperdocument, an author must either manually type in the new information or import a copy of the text. To avoid this inconvenience and thus improve the user's efficiency of operation, hypertext systems must be integrated into other environments so that an author can incorporate existing text into a hyperdocument without the necessity of duplicating the text. Presents the results of an investigation into how hypertext could be integrated with a multi-user text retrieval system and describes the design and implementation of a prototype system called Hyperbrowser
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Merkl, D.; Tjoa, A.M.; Vieweg, S.: ¬Eine Hypertext-Benutzerschnittstelle für ein juristisches Volltext Information Retrieval System (1991)
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- Abstract
- Die vorliegende Arbeit gibt einen kurzen Überblick über das EUREKA Projekt 359, 'Lokale intelligente Benutzerschnittstelle für Volltext-Retrievalsysteme'. Der Projektteil Hypertextschnittstelle für juristisches Volltext Information Retrieval wird präsentiert. Dabei wird der Benutzerin die Möglichkeit angeboten, ausgehend von Rechtsvorschriftenzitaten in Gerichtsentscheidungen mittels Hypertextfunktionen in eine Rechtsvorschriftendatenbank zu verzweigen. Dadurch erhält die Benutzerin die Möglichkeit des Zugriffs auf 2 thematisch unterschiedliche Datenbasen. Mittels Hypertext-Funktionen können somit die rechtlichen Grundlagen von Gerichtsentscheidungen durch direkte Betrachtung die zugrundeliegenden Rechtsvorschriften überprüft bzw. nachvollzogen werden
- Source
- Information retrieval: GI/GMD-Workshop, Darmstadt, 23.-24.6.1991: Proceedings. Ed.: N. Fuhr
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Baião Salgado Silva, G.; Lima, G.Â. Borém de Oliveira: Using topic maps in establishing compatibility of semantically structured hypertext contents (2012)
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- Abstract
- Considering the characteristics of hypertext systems and problems such as cognitive overload and the disorientation of users, this project studies subject hypertext documents that have undergone conceptual structuring using facets for content representation and improvement of information retrieval during navigation. The main objective was to assess the possibility of the application of topic map technology for automating the compatibilization process of these structures. For this purpose, two dissertations from the UFMG Information Science Post-Graduation Program were adopted as samples. Both dissertations had been duly analyzed and structured on the MHTX (Hypertextual Map) prototype database. The faceted structures of both dissertations, which had been represented in conceptual maps, were then converted into topic maps. It was then possible to use the merge property of the topic maps to promote the semantic interrelationship between the maps and, consequently, between the hypertextual information resources proper. The merge results were then analyzed in the light of theories dealing with the compatibilization of languages developed within the realm of information technology and librarianship from the 1960s on. The main goals accomplished were: (a) the detailed conceptualization of the merge process of the topic maps, considering the possible compatibilization levels and the applicability of this technology in the integration of faceted structures; and (b) the production of a detailed sequence of steps that may be used in the implementation of topic maps based on faceted structures.
- Date
- 22. 2.2013 11:39:23
-
Ray, K.; Driscoll, J.R.: New directions for microcomputer-based hypertext systems (1990)
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- Abstract
- Describes SPIRIT, an advanced hypertext system which couples a prohabilistic and linguistic approach to information retrieval with the intuitive, easily browsable document representation characteristics of conventional hypertext systems.
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Flanders, B.: On-line books : an advanced technology electronic library system (1992)
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- Abstract
- The US Marine Corps has developed an information storage retrieval system, On-line Books that gives remote access to the complete text of the Marine Corps University war-fighting collection. Searching is through hypertext capabilities and document delivery via mailed printouts or electronic mail. Central to the system is the storage machine a main-frame attached, optical disc based network archive searver developed by File Tek Inc. Its main architectural components are: a channel network interface, a storage and transfer processor, a layered storage hierarchy composed of magnetic disc, multiple terabytes of optical discs mounted in a robotic library and shelf storage. Details the storage machine's architecture and describes other projects in the USA currently utilising multigigabyte storage technology
