1,720,968 research outputs found
Using Contextual Design for Digital Library Field Studies
Full text linkPresented at workshop "Studying Digital Library Users In the Wild: Theories, Methods, and Analytical Approaches," ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL), Denver, Colorado, June 10-11, 2005This material is based upon work supported by the National Science Foundation under Grant No. 9909068. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation
Three looks at users: a comparison of methods for studying digital library use
Full text linkPresented at Users in the Electronic Information Environment, Espoo, Finland,
September 2003The Variations and Variations2 digital music library projects at Indiana
University provide a valuable test-bed for user studies. We have used
user satisfaction questionnaires, session logging, and contextual
inquiry to study digital music library usage by music students. This
paper describes our approach with each method and offers a
comparison of cost, advantages, and disadvantages of each methods.
The comparison can help digital library practitioners choose amongst
or combine field-study methods based on their objectives and
constraints.This material is based upon work supported by the National Science Foundation under Grant No. 9909068. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation
Understanding and Representing Learning Activity to Support Design: A Contextual Design Example
Full text linkPresented at the Association for Educational Communications and Technology annual conference, Orlando, Florida, October 18-22, 2005Contextual Design is a well-defined method for gathering and representing user understanding within a coherent design process. This paper illustrates the value of Contextual Design to educational system design by describing a case study involving 14 contextual inquiry sessions that were carried out in and around the Indiana University music library, in support of designing technology for student learning. Findings are presented as diagrammatic work models, an affinity diagram, and a list of insights and design ideas. The utility of Contextual Design work modeling is assessed, and some limitations in its ability to represent learning are considered.This material is based upon work supported by the National Science Foundation under Grant No. 9909068. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Variations2 Help: Moving Help Closer to Users
Full text linkPosition paper presented at CHI 2004 workshop, Helping Users Use Help. Vienna, Austria, April 24-29, 2004This material is based upon work supported by the National Science Foundation under Grant No. 9909068. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation
Variations2: Toward Visual Interfaces for Digital Music Libraries
Full text linkPresented at the Second International Workshop on Visual Interfaces to Digital Libraries, 2nd ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL '02), Portland, Oregon, July 18, 2002In this paper, we discuss unique challenges of visualizing
musical data, address limitations of existing music
interfaces and data structures, and propose some
approaches to music visualization based on the data model
developed by Variations2 digital music library project.This material is based upon work supported by the National Science Foundation under Grant No. 9909068. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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