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Abstract

Social tagging is one of the major phenomena transforming the World Wide Web from a static platform into an actively shared information space. This paper addresses various aspects of social tagging, including different views on the nature of social tagging, how to make use of social tags, and how to bridge social tagging with other Web functionalities; it discusses the use of facets to facilitate browsing and searching of tagging data; and it presents an analogy between bibliometrics and tagometrics, arguing that established bibliometric methodologies can be applied to analyze tagging behavior on the Web. Based on the Upper Tag Ontology (UTO), a Web crawler was built to harvest tag data from Delicious, Flickr, and YouTube in September 2007. In total, 1.8 million objects, including bookmarks, photos, and videos, 3.1 million taggers, and 12.1 million tags were collected and analyzed. Some tagging patterns and variations are identified and discussed.

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Abstract

Providing enhanced access and added value to electronic documents (e-documents) will require interfaces that effectively mediate between the information seeking needs of the users and the information that the e-document has to offer. A proposed information environment (PIE) to support effective and creative use of e-documents to fulfil users' various information tasks and needs is presented. Providing a suite of novel features and interactive tools that can be flexibly combined, the PIE allows users to apply multiple novel ways to intuitively query and navigate information in an e-document. The querying and browsing processes in the PIE are supported by various interactive and visualisation techniques. Users work within a visually sovereign, integrated environment for information gathering and organising, based on navigable, fractional information objects that are also affiliated with rich metadata and additional layers of value-adding information. This paper describes the conceptual design of the PIE and uses a representative scenario to show how the PIE is likely to be used for interacting with electronic journals (e-journals) and the ability of the proposed environment to provide enhanced user interaction and value-adding.

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Abstract

In this paper, we present a proposed information environment (PROPIE) for enhanced interaction and value-adding of electronic documents (e-documents). The design of PROPIE was based on a thorough user needs and requirements assessment in interacting with information through well-documented findings, and a focus group with twelve participants to elicit features that were deemed desirable in future interactions. The design was also based on an earlier work which reviewed the advancements in various user interface (UI) technologies, visualisation and interactive techniques, and a consideration of novel information structuring and organisation techniques that pose important implications for the design of more advanced UIs. Providing a suite of novel features and interactive tools that can be flexibly combined, PROPIE allows users to apply multiple novel ways to query intuitively and navigate information in an e-document. The querying and browsing processes in PROPIE are supported by various interactive and visualisation techniques. Users work within a visually sovereign, integrated environment for information gathering and organising, based on navigable, fractional information objects that are also affiliated with rich metadata and additional layers of value-adding information. A set of interface mock-ups was developed to demonstrate the potential of the environment in supporting the design of a new generation of electronic journals (e-journals). We report here empirical results from a study conducted to obtain representative users' feedback with regard to using PROPIE for interacting with e-journals. Twenty-two participants from a variety of academic backgrounds participated in the evaluation. Overall, PROPIE was found to have the potential both for enhancing the user's interaction with information captured within e-journals and for adding value to e-documents in various ways.

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Source

Journal of the American Society for Information Science and technology. 52(2001) no.1, S.22-35