Search (18 results, page 1 of 1)

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Abstract

Reviews the future possibilities of convergence of digital image storage and dissemination techniques, cable and high resolution television and networks such as the Internet, in bringing sophisticated multimedia information services into the home and businesses. Predicts the future of these systems in publishing, entertainment, education, health care, telephone systems, computer software use, and business and suggests that the ultimate converged system could provide homes and businesses with the means of sending and receiving information by facsimile transmission, making copies, and accessing information from CD-ROM and CD-I drives

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Abstract

Explains how Internet video and audio broadcasting is overcoming the technical obstacles of narrow bandwidth of telephone lines, the limits of compressing multimedia data, and problems that packet switching transmission cause for audio transmissions. Decribes some current applications and future possibilities

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Abstract

Develops frameworks to help Internet media designers address end user information presentation preferences by advancing structures for assessing metadata design variables. Design variables are then linked to user cognitive styles. An underlying theme is that artificial intelligence methodologies may be used to help automate the Internet media design process and to provide personalized and customized experiences. User preferences concerning knowledge acquisition in online experiences provide the basis for discussions of cognitive analysis, and are extended into structural implications for media design and interaction

Source

Internet research. Electronic networking applications and policy. 8(1998) no.4, S.347-358

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Source

Journal of the American Society for Information Science and technology. 52(2001) no.10, S.829-875

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Abstract

News is information about recent events of general interest, especially as currently reportes by newspapers, periodicals, radio or television. News is the quintessential multimedia data. While newspaper editors (human and/or algorithmic) may still define the core content of electronic news, new communication technologies will enable the integration of news from a wide variety of sources and provide access to supplemental material from enormous archives of electronic news data (text, photos, and video) in digital libraries as well as the continual streams of newly created data. The goal of electronic news delivery within this context is, however, distiguishable from both news news groups and document retrieval. Electronic news promises to deliver to the reader an edited collage of recent events from wide domains in a manner that is both comprehensive and personalized. As part of a long-term research project into the design of future news delivery systems, we have developed an overall architecture and several prototypes. These prototypes are presented in the article, along with a discussion of issues related to the presentation metaphor and to the functionality of electronic news delivery services. A prototype was demonstrated at the 1995 G-7 Economic Summit in Halifax, Canada, integrating newspaper text and photographs with television news video clips across an ATM network

Source

Journal of the American Society for Information Science. 49(1998) no.2, S.134-150

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Abstract

Relevance has been a difficult concept to define, let alone measure. In this paper, a simple operational definition of relevance is proposed for a Web-based library catalog: whether or not during a search session the user saves, prints, mails, or downloads a citation. If one of those actions is performed, the session is considered relevant to the user. An analysis is presented illustrating the advantages and disadvantages of this definition. With this definition and good transaction logging, it is possible to ascertain the relevance of a session. This was done for 905,970 sessions conducted with the University of California's Melvyl online catalog. Next, a methodology was developed to try to predict the relevance of a session. A number of variables were defined that characterize a session, none of which used any demographic information about the user. The values of the variables were computed for the sessions. Principal components analysis was used to extract a new set of variables out of the original set. A stratified random sampling technique was used to form ten strata such that each new strata of 90,570 sessions contained the same proportion of relevant to nonrelevant sessions. Logistic regression was used to ascertain the regression coefficients for nine of the ten strata. Then, the coefficients were used to predict the relevance of the sessions in the missing strata. Overall, 17.85% of the sessions were determined to be relevant. The predicted number of relevant sessions for all ten strata was 11 %, a 6.85% difference. The authors believe that the methodology can be further refined and the prediction improved. This methodology could also have significant application in improving user searching and also in predicting electronic commerce buying decisions without the use of personal demographic data

Source

Journal of the American Society for Information Science and technology. 52(2001) no.10, S.829-830

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Abstract

Die elektronische Distribution auch für digitalisierte Videos und Bilder zu nutzen ist Ziel zahlreicher Überlegungen. Damit wird nicht nur die Verfügbarkeit der bislang nur über die Ausleihe vertriebenen Titel am Lernort erheblich verbessert. Die Integration von Internet, Software und digitalen Videos wird aber auch ganz neue didaktische Konzepte für das Lernen und Lehren ermöglichen. Das Potenzial wird noch einmal dadurch gesteigert, wenn zusätzlich digitale Medienmodule (Videoclips, Grafiken, Tondateien, Texte usw.) produziert und angeboten werden können. In dem im Landkreis München begonnenen Projekt BMOD wird die Distribution und Nutzung von digitalisierten FWU-Medien in einem kommunalen Intranet erprobt

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Abstract

Examines ways of approaching the problems of effective integration of multimedia elements such as graphics, audio and video into a Internet WWW site, so as to increase substantially its utility and aesthetic appeal

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Abstract

Starts from the premise that meaning is not an intrinsic property of information items. Approaches to 'meaning' in diverse humanities disciplines, including philosophy, psychology, and the history of arts and music, are drawn on to enhance the understanding of meaning in the context of multimedia information retrieval on the Internet. The approaches described include philosophy of language and meaning, psychology of language including repertory grids and semantic differential, iconography and levels of meaning, and representation of music. A consistent theme in all these disciplines is the recognition that meaning is context dependent and may be analyzed at a variety of different levels, with nomenclature and number of levels varying across disciplines. Identifies the strengths and weaknesses of searching and retrieval on the Internet with particular emphasis on subject content and meaning. It shows the limitations of searching using the most basic level of meaning, while attempting to cater for a wide diversity of information resources and users. Recommends enhanced retrieval interfaces linked to the needs of specific user groups and the characteristics of specific media on the Internet

Source

Proceedings of the 2nd British-Nordic Conference on Library and Information Studies, Edinburgh, 1997. Organized by the British Association for Information and Library Education (BAILER). Ed.: Micheline Beaulieu et al

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Content

Das leidige Problem: Die Programme von Premiere World sind über den iesy-Dekoder nicht zu empfangen. Umgekehrt können die hessischen Premiere-Abonnenten mit ihrer d-box die iesy-Angebote nicht sehen. Denn statt des umstrittenen Digitalkastens aus München hat sich eKabel für eine Settop-Box des US-Herstellers Motorola entschieden. Sie arbeitet mit einer Software des amerikanischen Unternehmens Liberate und entschlüsselt alle Digitaldienste mit dem Motorola-System MediaCipher. Wer iesy-TV und die Premiere Aboprogramme der Münchner Kirch-Gruppe empfangen will, müsste sich also zwei digitale Empfangsgeräte anschaffen - eine für den Zuschauer missliche Situation. "Mit der Einspeisung der Premiere-Programme in unsere Netze verdienen wir fast nichts. Gespräche mit Kirch über ein neues Geschäftsmodell waren aber bisher erfolglos. Außerdem holt die d-box das Internet nicht auf den Fernsehschirm", begründet Geschäftsführer Günter Maier das Vorgehen von eKabel. Kirch-Sprecher Hartmut Schultz erklärt zu dem Thema lapidar, es gebe zwar Kontakte zu allen Kabelgesellschaften, aber noch keine konkreten Geschäftsmodelle". Obwohl die Kirch-Gruppe kürzlich angedeutet hatte, ihre Pay-TV-Pakete demnächst auch über andere Digitaldekoder als die d-box zu vermarkten, scheint das zumindest in Hessen noch in weiter Ferne zu liegen. Doch was bietet eKabel seinen Kunden? Zunächst ein Basispaker mit 33 analogen Fernsehprogrammen und 40 Radiosendern Die dafür zu entrichtende Kabelgrundgebühr schwankt in Hessen zwischen 15,60 Mark und 26,90 Mark. Neu ist das digitale Paket Basis plus, das Kunden für 19,60 Mark im Monat extra abonnieren können. Für sein Geld erhält der Zuschauer eine Settop-Box ins Haus gestellt, die an den Fernseher angeschlossen wird und die technische Voraussetzung für den Empfang von Digitaldiensten schafft. Mit dem Dekoder können im Basis plusPaket zehn neue digitale Spartenkanäle empfangen werden. Dabei handelt es sich um Special-interest-Sender wie Eurosportnews (Sportnachrichten), Wine & Dine (Gastronomie), Leonardo (Wissen) oder Marco Polo (Reise). Eine elektronische Programmzeitschrift, im Branchenjargon EPG - Electronic Program Guide. genannt - liefert auf Knopfdruck eine Ubersicht der neuen Programminhalte am Bildschirm. Vor allem ermöglicht die digitale Box das Versenden von E-Mails und das Abrufen von ausgewählten Internetseiten auf dem Fernsehgerät. Hierfür stellt eKabel Nutzern ein drahtloses Keyboard zur Verfügung, mit dem Webadressen und Texte der elektronischen Post eingegeben werden können. Im Basis plus-Tarif istjeweils eine Mailadresse pro Familienmitglied enthalten. Demnächst soll auch der elektronische Einkauf ("Homeshopping") am Fernseher Realität werden; insgesamt fünf Shoppingkanäle werden Zuschauern dann ihre Produkte zur Direktbestellung anpreisen. Laut eKabel-Geschäftsführer Maier ist das nur der erste Schritt zum weiteren Ausbau der iesy-TV-Angebote. Zusätzliche Digitalsender - darunter auch Spezialbouquets für ausländische Zuschauer - werden die Basispakete ergänzen, in einigen Monate sollen das Abonnement einzelner Kanäle (Pay-per-channel) sowie das Bestellen einzelner Spielfilme (Video on Demand) möglich werden. Auch für einen Hochgeschwindigkeitszugang ins Internet für den PC via Modem (iesy Net) sowie die Möglichkeit, über das Kabelnetz preiswert zu telefonieren (iesy Phone), will das Untemehmen so rasch wie möglich eine große Zahl von Kunden begeistern. Allerdings wird es rund vier Jahre dauern, bis die neuen Multimediadienste im gesamten Netz verfügbar sein werden, an dem heute 1,3 Millionen der 2,7 Millionen hessischen Haushalte hängen. Um die Strippen technisch aufzurüsten, will eKabel, das von dem britischen Telekom-Untemehmen National Transcommunications Limited (NTL) kontrolliert wird, 1,8 Milliarden Mark investieren. Langfristig will das Unternehmen 40 Prozent des Umsatzes mit Fernsehangeboten, etwa 30 Prozent mit Kabeltelefonie und ebenso viel mit Intemetdiensten und Geschäftskunden erwirtschaften. eKabel hatte vor einem Jahr 65 Prozent der zuvor im Alleinbesitz der Deutschen Telekom befindlichen Kabelanlagen erworben und dafür nach Schätzungen zwischen zwei und drei Milliarden Mark bezahlt.

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Abstract

Indexing remains one of the most popular tools provided by digital libraries to help users identify and understand the characteristics of the information they need. Despite extensive studies of the problem of automatic index construction for text-based digital libraries, the construction of multimedia digital libraries continues to represent a challenge, because multimedia objects usually lack sufficient text information to ensure reliable index learning. This research attempts to tackle the problem of automatic index construction for multimedia objects by employing Web usage logs and limited keywords pertaining to multimedia objects. The tests of two proposed algorithms use two different data sets with different amounts of textual information. Web usage logs offer precious information for building indexes of multimedia digital libraries with limited textual information. The proposed methods generally yield better indexes, especially for the artwork data set.

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Abstract

Examines the current practices of WWW publishing and highlights its adequacies and drawbacks. Demonstrates the need and advantages of using a hypermedia database system to manage Web publications and briefly describes the design and prototyping of the D4W3 hypermedia database system

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Abstract

Colours, icons, graphics, hypertext links and other multimedia elements are variables that affect information search strategies and information seeking behaviour. These variables are culturally constructed and represented and are subject to individual and community interpretation. Hypothesizes that users in different communities (in intercultural or multicultural context) will interpret differently the meanings of the multimedia objects on the Internet. Users' interpretations of multimedia objects may differ from the intentions of the designers. A study in this area is being undertaken

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Abstract

Multimedia is proliferating on Web sites, as the Web continues to enhance the integration of multimedia and textual information. In this paper we examine trends in multimedia Web searching by Excite users from 1997 to 2001. Results from an analysis of 1,025,910 Excite queries from 2001 are compared to similar Excite datasets from 1997 to 1999. Findings include: (1) queries per multimedia session have decreased since 1997 as a proportion of general queries due to the introduction of multimedia buttons near the query box, (2) multimedia queries identified are longer than non-multimedia queries, and (3) audio queries are more prevalent than image or video queries in identified multimedia queries. Overall, we see multimedia Web searching undergoing major changes as Web content and searching evolves.

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Source

New review of hypermedia and multimedia. 11(2005) no.2, S.131-137

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Abstract

Reviews Encyclopedia Britannica Online ($80) from Britannica, and Encarta Concise Encyclopedia (free) from Microsoft. Britannica has more than 12.000 illustrations of high quality, excellent maps, and 60 multimedia elements including sound, video, and animation. It could be improved by enabling illustrations to be used as filtering criteria for searches, and the QuickTime multimedia format is too slow for the content. Encarta has 16.000 articles, 1.678 photographs, 408 dynamic maps, and a wealth of other features. There are no audio clips, collages, virtual tours, or panoramic views, and check boxes would be more convenient than radio buttons in the interface. Includes 2 screen displays

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Abstract

Summarizes recent reports forecasting about trends in the multimedia market. Tinsley Robor plc, UK, forecasts continued growth and increasing CD-online hybridisation. Frost & Sullivan, UK, forecasts expansion in the CD and optical disk drive markets which are characterised by increasing capacity and performance. The Internet will be increasingly significant as a way of distributing data

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Source

Sprachtechnologie für eine dynamische Wirtschaft im Medienzeitalter - Language technologies for dynamic business in the age of the media - L'ingénierie linguistique au service de la dynamisation économique à l'ère du multimédia: Tagungsakten der XXVI. Jahrestagung der Internationalen Vereinigung Sprache und Wirtschaft e.V., 23.-25.11.2000, Fachhochschule Köln. Hrsg.: K.-D. Schmitz