Search (27 results, page 1 of 2)

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Source

Challenges in indexing electronic text and images. Ed.: R. Fidel et al

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Abstract

A model for analysing multimedia information is proposed from the point of view of the theory of communication. After a brief presentation of the complex map of the sciences that deal with multimedia communication in its different aspects, the current multimedia revolution is historically contextualized as a tendency towards messages that are able to build near-reality experiences (virtual reality). After setting the theoretical point of view, an analysis of multimedia messages is substantiated and a model is presented. The first part of the model deals with the different communications channels and tools: still images, movies, sounds, texts, text with illustrations, audiovisuals and interactive multimedia, with an emphasis in nontextual documents. The second part addresses the global properties of the multimedia message, which are of a textual and metatextual nature. The overlapping of media, channels, genres and messages-and the conscious and technical use of such interactions-is precisely one of the main and outstanding characteristics of the multimedia discourse, and requires specific moves in indexing languages development. The multimedia environment has also a great potential to promote a wider theory of knowledge organization, bringing closer distant fields like scientific and fictional indexing or verbal and image indexing. It is stated that such a unified theory requires a closer attention to the pragmatic aspects of indexing and the inclusion of new semantic layers. A simple indexing model is proposed to illustrate who to address these challenges.

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Abstract

State of the art review of the challenges of multimedia for the online industry in terms of: standards, database design; indexing; intellectual property rights; network access and use; the market; and the information industry

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Abstract

In this paper we discuss how browsing and querying, the two available major ways for accessing large amounts of data, form the point of view of interactive information retrieval. In this context we emphasize the notion of structured information and its impact on the performances of these two modalities of interaction. Aside natural complementarities between these two classes of retrieval environments, these considerations should enforce interest for models that fully integrate browsing and querying capabilities. We shortly present the main elements of such a model, with a particular attention to the retrieval component. Problems related to indexing structured information are also discussed and elements of a strategy for indexing hierarchical structures are presented. This strategy and the corresponding retrieval algorithm are aimed to ensure optimal granularity of system's responses considering redundancy among interrelated structural components

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Abstract

Various kinds of knowledge organisation, such as thesauri, are routinely used to label or tag multimedia content such as images and music and to support information retrieval, i.e. user search for such content. In this paper, we outline why this is the case, in particular focusing on the semantic gap between content and concept based multimedia retrieval. We survey some indexing vocabularies used for multimedia retrieval, and argue that techniques such as thesauri will be needed for the foreseeable future in order to support users in their need for multimedia content. In particular, we argue that artificial intelligence techniques are not mature enough to solve the problem of indexing multimedia conceptually and will not be able to replace human indexers for the foreseeable future.

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Footnote

Part of a special issue featuring papers from the workshop on hypermedia and hypertext standards held in Amsterdam, Netherlands, 22-23 April 1993

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Abstract

Considers whether there really is a place for multimedia technology in the broad spectrum of information technology or whether it is simply a fringe technology with no real benefit to the average end user. Briefly considers the role of publishers in driving the multimedia trend and concludes with a mention of adaptive pattern recognition, of the type developed by Excalibur Technologies, for the automatic indexing of the entire content of every document, whether it be in the form of video, voice pattern, signal, graphics or text

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Abstract

Over the past few years multimedia technology has matured dramatically and its widespread use in daily life is leading to the convergence of the entertainment, education and information industries. Describes some international projects which combine imaging and multimedia for the preservation of cultural heritage artifacts. Discusses issues facing the multimedia industry including standardization; database management; indexing multimedia, networked mutlimedia; intellectual property issues; legal issues; and the multimedia market. Considers the role of the information industry and the impact of multimedia technolgy on libraries and information centres

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Abstract

Initial report from an ongoing study which aims to form a framework for understanding and rating multimedia products. Introduces multimedia, sets out a continuum for it and gives a brief history of the medium. Sets out a general evaluation framework for electronic materials. Multimedia adds a further layer of complexity to evaluation particularly in content, indexing and user interface

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Abstract

Although database technology is well established, multimedia storage and access of digital image, sound and video material is much more recent. Although most film and video material is intrinsically multimedia it is not interactive. Unlike traditional data, multimedia has a very free format and has mostly lost the constraint of human language. The problems of interactive multimedia publications arise not just in user access but from the internal structuring of the database. Discusses topics related to methods of access to data and the design approaches to this covering multimedia material, database technology, indexing and referencing techniques and design and production

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Abstract

Considers whether an information system can be designed that is capable of meeting the needs of researchers students' for training and those of the general public for information. Tests a system for specialists to determine whether non specialist could use it and whether other uses could be found for such databanks. This multimedia information system based on natural language text searching uses hypertext, associating texts, images, maps and plans of the Greek site of Delphi. Discusses natural language searching, the respective and complementary contributions of automatic and manual indexing, image and document retrieval from other databanks and the different modalities of interactive searching. Defines the features of this type of information system and assesses the limits and the potential of such a product

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Source

Bulletin des Bibliothèques de France. 40(1995) no.2, S.18-22

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Date

22. 2.1996 11:37:48

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Source

Frankfurter Rundschau. Nr. 20 vom 24.1.1997, S.22

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Source

Audiovisual librarian. 22(1996) no.3, S.194-197

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Source

Cataloguing Australia. 22(1996) nos.1/2, S.17-20

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Date

1. 8.1996 22:08:06

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Date

14. 2.2001 19:09:22

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Abstract

Multimedia retrieval is a complex and to some extent still unexplored area. Based on a full year of e-mail requests addressed to a large film archive this study analyses what types of information needs real users have and how these needs are expressed. The findings include that the requesters make use of a broad range of need attributes in specifying their information needs. These attributes relate to the production, content, subject, context and screening of films. However, a few attributes - especially title, production year and director - account for the majority of the attribute instances. Further, as much as 43 per cent of the requests contain no information about the context that gives rise to the request. The current indexing of the archived material is restricted to production-related attributes, and access to the material is, thus, frequently dependent on the archivists' extensive knowledge of the archived material and films in general.