-
Maislin, S.: Ripping out the pages (2000)
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- Abstract
- When the Web was invented, it was touted as a novel nonlinear medium for the written word. No longer would we be constrained by linear presentations! Hyperlinks would allow us to jump haphazardly from page to page, chapter to chapter, idea to idea! Texts would no longer need to run from beginning to end! This is misleading. A printed book is also multidimensional and potentially nonlinear. We can open it to any page, from any other page, for any reason. We can open several books at once. In fact, what makes a book special is its combination of linear structure (the order of the words) and nonlinear physicality (the bound papers). This linear/nonlinear duality is enhanced further by the index, which maps linearly sequenced pages in a nonlinear, informationally ordered structure (architecture). In truth, the online environment is crippled by an absence of linear structure. Imagine selecting a hard cover book, tearing off the covers, ripping pages into small pieces, and throwing them in a box. That box is like a computer file system, and the paper scraps are Web documents. Only one scrap can be retrieved from the box at a time, and it must be replaced before another can be accessed. Page numbers are meaningless. Global context is destroyed. And without page numbers or context, what happens to the index?
-
Richy, H.: ¬A hypertext electronic index based on the Grif structured document editor (1994)
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- Abstract
- Grif is a structured document editor based on the generic structure concepts that supports both hierarchical structures and non hierarchical links. Defines an index and presents an electronic index service that was developed in the Grif editor by taking advantage of the hypertext facilities available in the system. discusses the main principles of the Grif system, describes indexing features with Grif and additional features
-
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
-
Ellis, D.; Furner-Hines, J.; Willett, P.: ¬The creation of hypertext links in full-text documents (1994)
0.05
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- Abstract
- An important stage in the process of retrieval of objects from a hypertext database is the creation of a set of internodal links that are intended to represent the relationships existing between objetcs; an operation that is usually undertaken manually such as the allocation of subject index terms to documents. Reports results of a study in which several different sets of hypertext links were inserted, each by a different person, between the paragraphs of each of a number of full text documents. The similarity between the members of each pair of link sets was then evaluated. Results indicated that little similarity existed among the link sets, a finding comparable with those of studies of inter indexer consistency, which suggests that there is generally only a low level of agreemenet between the sets of index terms assigned to a document by indexers. Concludes with that part of the study designed to test the validity of making these kinds of assumptions in the context of hypertext link sets
-
Nauta, G.J.: HYPERICONICS: Hypertext and the social construction of information about the history of artistic notions (1993)
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- Abstract
- Some 25 years ago the Leiden art historian Van de Waal, inventor of ICONCLASS, developed an 'icon knowledge system' called Beeldleer. After a brief review of this system the author does borrow some central ideas of Beeldleer to discuss a method of studying historically the elementary means of artistic expression with the use of hypertext concepts. The potential of a social construction of information in this field is being emphasized. Finally the design of a pilot study in an educational context will be discussed
-
Johnson, A.; Fotouhi, F.: Adaptive clustering of hypermedia documents (1996)
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- Abstract
- Compares the use of 2 adaptive algorithms (genetic algorithms, and neural networks) in clustering hypermedia documents. The clusters allow the user to index into the nodes and find information quickly. The clustering focuses on the user's paths through the hypermedia document and not on the content of the nodes or the structure of the links in the document, thus the clustering reflects the unique relationships each user sees among the nodes. The original hypermedia document remains untouched, and each user has a personalised index into this document
- Date
- 5. 4.1996 15:29:15
-
Tudhope, D.; Taylor, C.: ¬A unified similarity coefficient for navigating through multi-dimensional information (1996)
0.04
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- Abstract
- Describes an integrated approach to similarity coefficients for information spaces with multiple dimensions of different types of index term. Categorises applications of similarity coefficients underlying different navigation tools in hypermedia by type of term. Describes an implementation of a unified similarity coefficient based on work in numerical taxonomy, with illustrative scenarios from an experimental navigation via similarity tool for a prototype social history museum hypermedia system. The underlying architecture is based on a semantic approach, where semantic relationships can exist between index terms. This allows imprecise matching when comparing for similarity, with distance measures yielding a degree of match. A ranked list of matching items over several weighted dimensions is returned by the similarity navigation tool. The approach has the potential of allowing different access methods to multimedia data to be combined
-
Soares, L.F.G.; Casanova, M.A.; Colcher, S.: ¬An architecture for hypermedia systems using MHEG Standard Object Interchange (1993)
0.04
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- Abstract
- Introduces a generic layered architecture for hypermedia systems with 4 major interfaces which will allow information interchange and code reusability between applications. The architecture uses the MHEG proposal to provide the desired independence between hypermedia applications' conceptual models and storage strategies for hypermedia object. Discuss design problems of the topmost layer, using as an example the nested context hypermedia model. As a distributed environment may be necessary to meet real time requirements of hypermedia applications addresses issues concerning the design of a distributed system based on the proposed architecture
-
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
- Source
- Computer networks and ISDN systems. 29(1997) no.8, S.1205-1215
-
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,...)
- Source
- Information processing and management. 29(1993) no.3, S.387-396
-
Ellis, D.; Furner-Hines, J.; Willett, P.: On the creation of hypertext links in full-text documents : measurement of inter-linker consistency (1994)
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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
-
Marchionini, G.: Designing hypertexts : start with an index (1994)
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-
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
-
Bouvin, N.O.; Christensen, B.G.; Frank, K.G.; Hansen, A.: HyCon: a framework for context-aware mobile hypermedia (2003)
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- Abstract
- This paper introduces the notion of context-aware mobile hypermedia. Context awareness means to take the users' context such as location, time, objective, community relations, etc., into account when browsing, searching, annotating, and linking. Attributes constituting the context of the user may be sensed automatically and/or be provided by the user directly. When mobile, the user may obtain context-aware hypermedia support on a variety of small and medium sized computing platforms such as mobile phones, PDAs, tablet PCs, and laptops. This paper introduces the HyCon (HyperContext) framework with an architecture for context-aware hypermedia. The architecture includes interfaces for a sensor tier encapsulating relevant sensors and represents the hypermedia objects in structures based on the XLink and RDF standards. A prototype called the HyConExplorer created with the framework is presented, and it is illustrated how the classical hypermedia features such as browsing, searching, annotating, linking, and collaboration are supported in context-aware hypermedia. Among the features of the HyConExplorer are real-time location-based searches via Google collecting hits within a specified nimbus around the user's GPS position. Finally, the use of scenarios for and evaluation of the use of the HyConExplorer in public school projects are discussed.
-
Bater, B.: Hyperdocuments through the square window (1994)
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- Abstract
- Discusses the potential of hypertext for creating all manner of information resources to fill the gaps where free text and structured database systems are inappropriate. Describes the tools required to create and distribute a variety of hypertext information resources, all available, affordable and easy to use. These include: the Microsoft Windows graphical user interface and Windows help system and special features offered: a Rich Text Format word processing program (Word for Windows) and Microsoft Windows Help Compiler for authoring Windows Help hyperdocuments; and the OrgMap Help data file. Outlines the limitations of hypüerdocument information resources
- Source
- Managing information. 1(1994) no.5, S.29-30,32-33
-
Thimbleby, H.: Designing user interfaces for problem solving, with application to hypertext and creative writing (1994)
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- Abstract
- Defines and explores the use of problem solving heuristics in user interface design. A demonstration hypertext system, Hyperwriter, was developed as the outcome of considering general problems solving heuristics as goals of interactive systems design. Whereas hypertext joins and relates ideas, Hyperwriter additionally, and as a direct outcome of the design approach, has ways of separating, ordering and polishing ideas as an application for creative writing. Hypertext supports effective thinking over a period of time. Discusses some issues arising in implementing Hypertext
- Source
- AI and society. 8(1994) no.1, S.29-44
-
Soares, L.F.G.; Rodriguez, N.L.R.; Casanova, M.A.: Nested composite nodes and version control in an open hypermedia system (1995)
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- Date
- 5. 4.1996 15:29:15
-
McKnight, C.; Dillon, A.; Richardson, J.: Hypertext in context (1991)
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Picking, R.: ¬A comparative study of computer-based document manipulation techniques (1994)
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- Abstract
- Techniques to aid the manipulation of a computer based document were tested by a group of 38 novice users. The subjects were given a period of time to browse the document, and were subsequently given a set of goal related tasks in a questionnaire/answer session. The techniques tested were sequential paging, index referral, text fins and embedded hypertext links. 3 differing types of link mechansms were assessed and compared with each other. Sequential paging and index referral were the most commonly used of the techniques. Text find was employed more for goal related tasks than for browsing. The hypertext link technique was generally unpopular, especially for goal related tasks. In order to establish the importance of the text find technique, the effect on reading strategies without this facility was also investigated. For browsing operations, an increase in paging and decrease in hypertext linking was observed. In the case of goal directed searching, an increase was observed in paging and index referral techniques. The study calls into question the usefulness of hypertext in educational software
-
Forrester, M.: Indexing in hypertext environments : the role of user models (1995)
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- Abstract
- Considers the relationship between indexing and hypermedia. Conceptualizes adequate models of index structures and indexing procedures; and establishes what readers do when accessing indexes. There is a range of explicit and implicit models underlying databases, documents and indexes. A fundamental starting point for the development of substructure indexing tools for use with hypermedia is the precise specification of such models. Analysis of substructure indexing models will allow the identification of largely technical constraints and conceptual constraints. Related also are aspects of the problem deriving from how indexes can, and should be, presented. Gives a framework for the identification of such models. Examines index use. A field study was conducted looking at the use accountants make of indexing facilities an a large financial services document. Task analysis highlights the range of problems encountered, strategies employed and the kinds of solutions arrived at. There are 6 key factors underlying the 'rule of thumb' procedure users employ when interrogating an index. Discusses the implications of this study for the design of indexing within hypermedia environment
