Search (1221 results, page 2 of 62)

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Abstract

Reports agreements between Ovid Technologies and 5 publishing companies (Blackwell Science, Lippincott-Raven, Munksgaard, Plenum, Willams and Wilkins) to secure the rights to the full text over 400 leading periodicals. Once the periodicals are loaded on Ovid they will be linked with other fulltext electronic periodicals to bibliographic databases to produce a web of related documents and threaded information. Concludes with notes on the Ovid Java Client graphic user interface, which offers increased speeds of searching the WWW

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Abstract

Examines the basic principles underpinning copyright in the context of the European Commission proposals and reviews the historical background to the growth of copyright and the arguments that continue to be employed by right holders to push for more protection. Illustrates that, to safeguard information access in the digital realm any further, extensions in copyright must be balanced with reciprocal exceptions. Concludes with suggestions for possible future exceptions in the digital domain and suggests that a major concern is that copying may well be forbidden in digital environments without a proper consideration of the relationship between copying, information use and knowledge generation

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Abstract

This paper presents the results of a research study, a survey of library and information science master's degree holders who have taken a beginning cataloging course, to identify the elements of a beginning cataloging course that help students to learn cataloging concepts and skills. The results suggest that cataloging practice (the hands-on creation of bibliographic records or catalog cards), the effectiveness of the instructor, a balance of theory and practice, and placing cataloging in a real-world context contribute to effective learning. However, more research is needed to determine how, and to what the extent, each element should be incorporated into beginning cataloging courses.

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Abstract

Feature on OCLC's SiteSearch suite of software, first introduced in 1992, and how it is helping over 250 libraries integrate and manage their electronic library collections. Describes the new features of version 4.0, released in Apr 1997, which include a new interface, Java based architecture, and an online documentation and training site. Gives an account of how Java is helping the Georgia Library Learning Online (GALILEO) project to keep pace on the WWW; the use of SiteSearch by libraries to customize their interface to electronic resources; and gives details of Project Athena (Assessing Technological Horizons to Educate the Nashville Area), which is using OCLC SiteSearch to allow area library users to search the holdings of public and university libraries simultaneously

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Abstract

The Wolverhampton Web Library (WWLib) is a WWW search engine that provides access to UK based information. The experimental version developed in 1995, was a success but highlighted the need for a much higher degree of automation. An interesting feature of the experimental WWLib was that it organised information according to DDC. Discusses the advantages of classification and describes the automatic classifier that is being developed in Java as part of the new, fully automated WWLib

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Abstract

Traditional collaborative filtering (CF) systems perform filtering tasks on existing databases; however, data collected for recommendation purposes may split between different online vendors. To generate better predictions, offer richer recommendation services, enhance mutual advantages, and overcome problems caused by inadequate data and/or sparseness, e-companies want to integrate their data. Due to privacy, legal, and financial reasons, however, they do not want to disclose their data to each other. Providing privacy measures is vital to accomplish distributed databased top-N recommendation (TN), while preserving data holders' privacy. In this article, the authors present schemes for binary ratings-based TN on distributed data (horizontally or vertically), and provide accurate referrals without greatly exposing data owners' privacy. Our schemes make it possible for online vendors, even competing companies, to collaborate and conduct TN with privacy, using the joint data while introducing reasonable overhead costs.

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Abstract

Presents a Guided tour system for the WWW, called Ariadne, which implements the ideas of trails and guided tours, originating from the hypertext field. Ariadne appears as a Java applet to the user and it stores guided tours in a database format separated from the WWW documents included in the tour. Itd main advantages are: an independent user interface which does not affect the layout of the documents being part of the tour, branching tours where the user may follow alternative routes, composition of existing tours into aggregate tours, overview map with indication of which parts of a tour have been visited an support for getting back on track. Ariadne is available as a research prototype, and it has been tested among a group of university students as well as casual users on the Internet

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Abstract

The emerging user-centric model of relevance proposes that the only valid measure of relevance of a document to a user's information need is the one made by that user. If we accept this proposition, it raises an intersting question: how ell do other people, especially those involved in information work who make such judgments as part of their training and work, perform as judges of documents for information needs they did not originate? This question was empirically tested, using three groups of subjects: incoming students to a school of information/library science, continuing students in that school, and academic librarians (holders of the MLS degree). These subjects made judgments of either 'relevance', 'utility', or 'topicality' of two document sets to the original users' stated information need. These judgments were then compared to those of the users to see what patterns emerged, and to see what can be learned not only about secondary judgments in general, but also the ways in which information and library professionals made such judgments. These results are interesting in their own right (subject's judgments compared reasonably well to those of users, looked more like users' after more training and experience in library work, and fall into interesting patterns), but they also lead to some provocative questions about the nature of judgment and evaluation of information items

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Abstract

Documents discussing public affairs, common themes, interesting products, and so on, are reported and distributed on the Web. Positive and negative opinions embedded in documents are useful references and feedbacks for governments to improve their services, for companies to market their products, and for customers to purchase their objects. Web opinion mining aims to extract, summarize, and track various aspects of subjective information on the Web. Mining subjective information enables traditional information retrieval (IR) systems to retrieve more data from human viewpoints and provide information with finer granularity. Opinion extraction identifies opinion holders, extracts the relevant opinion sentences, and decides their polarities. Opinion summarization recognizes the major events embedded in documents and summarizes the supportive and the nonsupportive evidence. Opinion tracking captures subjective information from various genres and monitors the developments of opinions from spatial and temporal dimensions. To demonstrate and evaluate the proposed opinion mining algorithms, news and bloggers' articles are adopted. Documents in the evaluation corpora are tagged in different granularities from words, sentences to documents. In the experiments, positive and negative sentiment words and their weights are mined on the basis of Chinese word structures. The f-measure is 73.18% and 63.75% for verbs and nouns, respectively. Utilizing the sentiment words mined together with topical words, we achieve f-measure 62.16% at the sentence level and 74.37% at the document level.

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Abstract

The Dublin Core metadata community and the INDECS/DOI community of authors, rights holders, and publishers are seeking common ground in the expression of metadata for information resources. Recent meetings at the 6th Dublin Core Workshop in Washington DC sketched out common models for semantics (informed by the requirements articulated in the IFLA Functional Requirements for the Bibliographic Record) and conventions for knowledge representation (based on the Resource Description Framework under development by the W3C). Further development of detailed requirements is planned by both communities in the coming months with the aim of fully representing the metadata needs of each. An open "Schema Harmonization" working group has been established to identify a common framework to support interoperability among these communities. The present document represents a starting point identifying historical developments and common requirements of these perspectives on metadata and charts a path for harmonizing their respective conceptual models. It is hoped that collaboration over the coming year will result in agreed semantic and syntactic conventions that will support a high degree of interoperability among these communities, ideally expressed in a single data model and using common, standard tools.

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Abstract

Purpose - The purpose of this paper is to illustrate issues surrounding the Google Book settlement in 2009, and its relevance to libraries by general discussion and examples from library practice. Design/methodology/approach - A set of projections and speculations that are both conceptual and practical in nature, based on early reactions and comments about this development. Findings - There are many philosophical and moral objections to the consequences of the Google Book settlement, and that the practical effects for academic libraries could be both positive and/or negative. The practical examples of such outcomes are designed to help clarify the implications for library and information practitioners and generate further debate. Research limitations/implications - The fact that the Book settlement is a legal arrangement between parties in a civil court makes in depth research analysis of a public nature very difficult - which is in itself one of the main themes of the paper. Practical implications - The teasing out of the real-life consequences of the settlement are intended be helpful to the library practitioner. Originality/value - This paper tries to offer an early insight into an important new development in information retrieval history from the point of view of academic librarians, in contrast to much contemporary comment, which has come from authors and rights holders.

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Abstract

Research information can be useful to science stake-holders for discovering, evaluating and planning research activities. In the Netherlands, the institute tasked with the stewardship of national research information is DANS (Data Archiving and Networked Services). DANS is the home of NARCIS, the national portal for research information, which uses a similarly named national research classification. The NARCIS Classification assigns symbols to represent the knowledge bases of contributing scholars. A recent research stream in knowledge organization known as comparative classification uses two or more classifications experimentally to generate empirical evidence about coverage of conceptual content, population of the classes, and economy of classification. This paper builds on that research in order to further understand the comparative impact of the NARCIS Classification alongside a classification designed specifically for information resources. Our six cases come from the DANS project Knowledge Organization System Observatory (KOSo), which itself is classified using the Information Coding Classification (ICC) created in 1982 by Ingetraut Dahlberg. ICC is considered to have the merits of universality, faceting, and a top-down approach. Results are exploratory, indicating that both classifications provide fairly precise coverage. The inflexibility of the NARCIS Classification makes it difficult to express complex concepts. The meta-ontological, epistemic stance of the ICC is apparent in all aspects of this study. Using the two together in the DANS KOS Observatory will provide users with both clarity of scientific positioning and ontological relativity.

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Abstract

This book provides a quick, concise guide to the issues surrounding the preparation of a well-designed, professional web site using HTML. Topics covered include: how to plan your web site effectively, effective use of hypertext, images, audio and video; layout techniques using tables and and list; how to use style sheets, font sizes and plans for mathematical equation make up. Integration of CGI scripts, Java and ActiveX into your web site is also discussed

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Abstract

Explains how the Intranet (in effect an Internet limited to the computer systems of a single organization) developed out of the Internet, and what its uses and advantages are. Focuses on the Intranet developed in the Glaxo Wellcome organization. Briefly discusses a number of technologies in development, e.g. Java, Real audio, 3D and VRML, and summarizes the issues involved in the successful development of the Intranet, that is, bandwidth, searching tools, security, and legal issues

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Abstract

Gives an overview of Web information system development. Discusses some basic concepts and technologies such as HTML, HTML FORM, CGI and Java, which are associated with developing WWW information systems. Further discusses the design and implementation of Virtual Travel Mart, a Web based end user oriented travel information system. Finally, addresses some issues in developing WWW information systems

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Abstract

Ameritech Library Services has released Dynix WebPac on NT, which provides access to a Dynix catalogue from any Java compatible Web browser. Users can place holds, cancel and postpone holds, view and renew items on loan and sort and limit search results from the Web. Describes some of the other features of Dynix WebPac

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Abstract

OCLC has announced that 6 library systems have completed field tests of the OCLC SiteSearch 4.0 suite of software, paving its way for release. Traces the beta site testing programme from its beginning in November 1997 and notes that OCLC SiteServer components have been written in Java programming language which will increase libraries' ability to extend the functionality of the SiteSearch software to create new features specific to local needs

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Abstract

Demonstrates a new method of providing networked computer assisted learning to avoid the pitfalls of traditional methods. This was achieved using Web pages enhanced with Java applets, MPEG video clips and Dynamic HTML

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Object

Java