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Displaying 1-50 out of 53 total
How Fast Is Too Fast? Evaluating Fast Forward Surrogates for Digital Video
Found in: Digital Libraries, Joint Conference on
By Barbara M. Wildemuth, Gary Marchionini, Meng Yang, Gary Geisler, Todd Wilkens, Anthony Hughes, Richard Gruss
Issue Date:May 2003
pp. 221
To support effective browsing, interfaces to digital video libraries should include video surrogates (i.e., smaller objects that can stand in for the videos in the collection, analogous to abstracts standing in for documents). The current study investigate...
 
A Bucket Architecture for the Open Video Project
Found in: Digital Libraries, Joint Conference on
By Michael L. Nelson, Gary Marchionini, Gary Geisler, Meng Yang
Issue Date:June 2001
pp. 310-311
The Open Video project is a collection of public domain digital video available for research and other purposes. The Open Video collection currently consists of approximately 350 video segments, ranging in duration from 10 seconds to 1 hour. Rapid growth f...
   
Information-Seeking Support Systems
Found in: Computer
By Gary Marchionini, Ryen W. White
Issue Date:March 2009
pp. 30-32
Seeking information for learning, decision making, and other complex mental activities that take place over time requires tools and support services that aid people in managing, analyzing, and sharing retrieved information.
 
Accessing Government Statistical Information
Found in: Computer
By Gary Marchionini, Stephanie W. Haas, Junliang Zhang, Jonathan Elsas
Issue Date:December 2005
pp. 52-61
The GovStat project aims to make the vast resources of government statistical data more broadly accessible to both agencies and the general population. Some first steps are creating layers of online help to address different browsing needs and developing p...
 
A study of annotations for a consumer health portal
Found in: Digital Libraries, Joint Conference on
By Catherine Blake, Gary Marchionini, David West, Lili Luo
Issue Date:June 2005
pp. 388-388
This paper presents a study of annotations made by cataloguers of consumer health websites in order to better understand the website cataloging process.
 
Machine Learning for Information Architecture in a Large Governmental Website
Found in: Digital Libraries, Joint Conference on
By Miles Efron, Gary Marchionini, Jonathan Elsas, Junliang Zhang
Issue Date:June 2004
pp. 151-159
This paper describes ongoing research into the application of machine learning techniques for improving access to governmental information in complex digital libraries. Under the auspices of the GovStat Project, our goal is to identify a small number of se...
 
Coupling Browse and Search in Highly Interactive User Interfaces: A Study of the Relation Browser++
Found in: Digital Libraries, Joint Conference on
By Junliang Zhang, Gary Marchionini
Issue Date:June 2004
pp. 384-384
No summary available.
   
VIVO — A Video Indexing and Visualization Organizer
Found in: Digital Libraries, Joint Conference on
By Meng Yang, Xiangming Mu, Gary Marchionini
Issue Date:May 2003
pp. 403
No summary available.
   
The Interactive Shared Educational Environment: User Interface, System Architecture and Field Study
Found in: Digital Libraries, Joint Conference on
By Xiangming Mu, Gary Marchionini, Amy Pattee
Issue Date:May 2003
pp. 291
The user interface and system architecture of a novel Interactive Shared Educational Environment (ISEE) are presented. Based on a lightweight infrastructure, ISEE enables relatively low bandwidth network users to share videos as well as text messages. Smar...
 
Digital Libraries Supporting Digital Government
Found in: Digital Libraries, Joint Conference on
By Gary Marchionini, Anne Craig, Larry Brandt, Judith Klavans, Hsinchun Chen
Issue Date:June 2001
pp. 395-397
No summary available.
   
Finding Facts vs. Browsing Knowledge in Hypertext Systems
Found in: Computer
By Gary Marchionini, Ben Shneiderman
Issue Date:January 1988
pp. 70-80
<p>The authors discuss the role of information retrieval, interface design, and cognitive science in hypertext research. They present a user-centered framework for information-seeking that has been used in evaluating two hypertext systems. They apply...
 
Video browsing interfaces for the open video project
Found in: CHI '02 extended abstracts on Human factors in computer systems (CHI '02)
By Anthony Hughes, Barbara M. Wildemuth, Gary Geisler, Gary Marchionini, Meng Yang, Richard Spinks, Todd Wilkens
Issue Date:April 2002
pp. 514-515
The Open Video Project is an on-going effort to develop an open source digital video collection that can be used by the research community and ultimately serve an even broader audience. The initial collection contains video or metadata for more than 1600 d...
     
A bucket architecture for the open video project
Found in: Proceedings of the first ACM/IEEE-CS joint conference on Digital libraries (JCDL '01)
By Gary Geisler, Gary Marchionini, Meng Yang, Michael L. Nelson
Issue Date:January 2001
pp. 310-311
The Open Video project is a collection of public domain digital video available for research and other purposes. The Open Video collection currently consists of approximately 350 video segments, ranging in duration from 10 seconds to 1 hour. Rapid growth ...
     
The open video project: research-oriented digital video repository
Found in: Proceedings of the fifth ACM conference on Digital libraries (DL '00)
By Gary Geisler, Gary Marchionini
Issue Date:June 2000
pp. 258-259
A future with widespread access to large digital libraries of video is nearing reality. Anticipating this future, a great deal of research is focused on methods of browsing and retrieving digital video, developing algorithms for creating surrogates for vid...
     
Modeling the effect of habituation on banner blindness as a function of repetition and search type: gap analysis for future work
Found in: Proceedings of the 28th of the international conference extended abstracts on Human factors in computing systems (CHI EA '10)
By Felix Portnoy, Gary Marchionini
Issue Date:April 2010
pp. 4297-4302
This paper provides a theoretical foundation to guide future work in online marketing research. Specifically, we target the phenomenon of banner blindness that prevents users from noticing online advertisements; thus, leading to a steady decline in revenue...
     
Tools-at-hand and learning in multi-session, collaborative search
Found in: Proceedings of the 28th international conference on Human factors in computing systems (CHI '10)
By Gary Marchionini, Javier Velasco-Martin, Katrina Muller, Robert Capra
Issue Date:April 2010
pp. 951-960
Improving search interfaces and algorithms are major foci of HCI and information retrieval (IR) research respectively. However, less attention has been given to understanding how users collect, manage, organize, and share the results they find from conduct...
     
Query parameters for harvesting digital video and associated contextual information
Found in: Proceedings of the 2009 joint international conference on Digital libraries (JCDL '09)
By Chirag Shah, Christopher A. Lee, Gary Marchionini, Robert Capra
Issue Date:June 2009
pp. 1-1
Video is increasingly important to digital libraries and archives as both primary content and as context for the primary objects in collections. Services like YouTube not only offer large numbers of videos but also usage data such as comments and ratings t...
     
Learning design principles for a collaborative information seeking system
Found in: Proceedings of the 27th international conference extended abstracts on Human factors in computing systems (CHI EA '09)
By Chirag Shah, Diane Kelly, Gary Marchionini
Issue Date:April 2009
pp. 1-4
While collaboration is a natural choice in many situations, there is a lack of specialized tools for collaboratively seeking information. We present design specifications and implementation of a collaborative information seeking system. We test this system...
     
TOIS reviewers June 2007 through May 2008
Found in: ACM Transactions on Information Systems (TOIS)
By Gary Marchionini
Issue Date:September 2008
pp. 1-2
Peer review is an important resource of scholarly communities and must be managed and nurtured carefully. Electronic manuscript management systems have begun to improve some aspects of workflow for conferences and journals but also raise issues related to ...
     
Editorial: Reviewer merits and review control in an age of electronic manuscript management systems
Found in: ACM Transactions on Information Systems (TOIS)
By Gary Marchionini
Issue Date:September 2008
pp. 1-6
Peer review is an important resource of scholarly communities and must be managed and nurtured carefully. Electronic manuscript management systems have begun to improve some aspects of workflow for conferences and journals but also raise issues related to ...
     
The relation browser tool for faceted exploratory search
Found in: Proceedings of the 8th ACM/IEEE-CS joint conference on Digital libraries (JCDL '08)
By Gary Marchionini, Robert G. Capra
Issue Date:June 2008
pp. 597-617
The Relation Browser (RB) is a tool developed by the Interaction Design Lab at the University of North Carolina at Chapel Hill for understanding relationships between items in a collection and for exploring an information space (e.g., a set of documents or...
     
Selection and context scoping for digital video collections: an investigation of youtube and blogs
Found in: Proceedings of the 8th ACM/IEEE-CS joint conference on Digital libraries (JCDL '08)
By Chirag Shah, Christopher A. Lee, Fred Stutzman, Gary Marchionini, Robert G. Capra, Terrell Russell
Issue Date:June 2008
pp. 597-617
Digital curators are faced with decisions about what part of the ever-growing, ever-evolving space of digital information to collect and preserve. The recent explosion of web video on sites such as YouTube presents curators with an even greater challenge -...
     
DiscoverInfo: a tool for discovering information with relevance and novelty
Found in: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval (SIGIR '07)
By Chirag Shah, Gary Marchionini
Issue Date:July 2007
pp. 902-902
Suppose you are on a mobile device with no keyboard (e.g., a cell phone) and you want to perform a "near me" search. Where is the nearest pizza? How do you enter queries quickly? T9? The Wild Thing encourages users to enter patterns with implicit and expli...
     
ContextMiner: a tool for digital library curators
Found in: Proceedings of the 2007 conference on Digital libraries (JCDL '07)
By Chirag Shah, Gary Marchionini
Issue Date:June 2007
pp. 514-514
This demonstration explores the Internet Public Library (www.ipl.org), a shared online facility for testing innovations in digital libraries and for training a skilled work force in digital library services, systems, and collections. Hypatia 2.0 and QRC so...
     
Capturing relevant information for digital curation
Found in: Proceedings of the 2007 conference on Digital libraries (JCDL '07)
By Chirag Shah, Gary Marchionini
Issue Date:June 2007
pp. 496-496
Through an investigation of the needs and practices of researchers in the humanities and social sciences, we identify key issues in the use of an online digital reference library, the Electronic Cultural Atlas Initiatives' "Support for the Learner: What, W...
     
Effects of structure and interaction style on distinct search tasks
Found in: Proceedings of the 2007 conference on Digital libraries (JCDL '07)
By Fred Stutzman, Gary Marchionini, Jung Sun Oh, Robert Capra, Yan Zhang
Issue Date:June 2007
pp. 442-451
In this paper we present the results of a study that investigates the relationships between search tasks, information architecture, and interaction style. Three kinds of search tasks (simple lookup, complex lookup and exploratory) were performed using thre...
     
Exploratory search and HCI: designing and evaluating interfaces to support exploratory search interaction
Found in: CHI '07 extended abstracts on Human factors in computing systems (CHI '07)
By Gary Marchionini, m. c. schraefel, Marti Hearst, Ryen W. White, Steven M. Drucker
Issue Date:April 2007
pp. 2877-2880
The model of search as a turn-taking dialogue between the user and an intermediary has remained unchanged for decades. However, there is growing interest within the search community in evolving this model to support search-driven information exploration ac...
     
Effects of audio and visual surrogates for making sense of digital video
Found in: Proceedings of the SIGCHI conference on Human factors in computing systems (CHI '07)
By Gary Marchionini, Yaxiao Song
Issue Date:April 2007
pp. 867-876
Video surrogates are meant to help people quickly make sense of the content of a video before downloading or seeking more detailed information. In this paper we present the results of a study comparing the effectiveness of three different surrogates for ob...
     
Human performance measures for video retrieval
Found in: Proceedings of the 8th ACM international workshop on Multimedia information retrieval (MIR '06)
By Gary Marchionini
Issue Date:October 2006
pp. 307-312
In this paper, we describe the challenges of assessing human performance during video retrieval episodes and describe several measures of human performance that have been used in developing visual surrogates for the Open Video Digital Library (http://www.o...
     
A study of real-time query expansion effectiveness
Found in: Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval (SIGIR '06)
By Gary Marchionini, Ryen W. White
Issue Date:August 2006
pp. 715-716
In this poster, we describe the study of an interface technique that provides a list of suggested additional query terms as a searcher types a search query, in effect offering interactive query expansion (IQE) options while the query is formulated. Analysi...
     
Integrating data and interfaces to enhance understanding of government statistics: toward the national statistical knowledge network project briefing
Found in: Proceedings of the 2006 national conference on Digital government research (dg.o '06)
By Ben Shneiderman, Catherine Plaisant, Gary Marchionini, Stephanie Haas
Issue Date:May 2006
pp. 334-335
This paper reports the results of work in the final no-cost extension year of a digital government project that developed user interface models and prototypes to help people find and understand government statistics; proposed a Statistical Knowledge Networ...
     
TOIS reviewers 2003--2005
Found in: ACM Transactions on Information Systems (TOIS)
By Gary Marchionini
Issue Date:January 2006
pp. 142-143
The use of text summaries in information-seeking research has focused on query-based summaries. Extracting content that resembles the query alone, however, ignores the greater context of the document. Such context may be central to the purpose and meaning ...
     
A study of annotations for a consumer health portal
Found in: Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries (JCDL '05)
By Catherine Blake, David West, Gary Marchionini, Lili Luo
Issue Date:June 2005
pp. 388-388
This paper presents a study of annotations made by cataloguers of consumer health websites in order to better understand the website cataloging process.
     
Deciphering visual gist and its implications for video retrieval and interface design
Found in: CHI '05 extended abstracts on Human factors in computing systems (CHI '05)
By Gary Marchionini, Meng Yang
Issue Date:April 2005
pp. 1877-1880
How do people make sense of a video based on viewing a few frames of that video? What elements constitute the "visual gist" in their minds? Answers to these questions will give implications to both content-based video retrieval and the interface design (e....
     
The relative effectiveness of concept-based versus content-based video retrieval
Found in: Proceedings of the 12th annual ACM international conference on Multimedia (MULTIMEDIA '04)
By Barbara M. Wildemuth, Gary Marchionini, Meng Yang
Issue Date:October 2004
pp. 368-371
Three video search systems were compared in the interactive search task at the TRECVID 2003 workshop: a <i>text-only</i> system, which searched video shots through transcripts; a <i>features-only</i> system, which searched video shots throu...
     
Measuring information architecture quality: prove it (or not)!
Found in: CHI '01 extended abstracts on Human factors in computer systems (CHI '01)
By Gary Marchionini, Jesse James Garrett, Keith Instone, Louis Rosenfeld, Marti Hearst, Nick Ragouzis, Shiraz Cupala
Issue Date:March 2001
pp. 219-220
This panel debates a topic that has been popping up recently as a consequence of different disciplines rubbing up against each other in a new field: can the quality of an information architecture be measured quantitatively? And if so, how can this analysis...
     
Digital libraries supporting digital government
Found in: Proceedings of the first ACM/IEEE-CS joint conference on Digital libraries (JCDL '01)
By Anne Craig, Gary Marchionini, Hsinchun Chen, Judith Klavans, Larry Brandt
Issue Date:January 2001
pp. 395-397
The needs of society have long been addressed through government resea rch support for new technologies-the Internet representing one example. Today, under the rubric of digital government, federal agencies as well as state and local units of governments ...
     
Extending understanding of federal statistics in tables
Found in: Proceedings on the conference on universal usability, 2000 on Conference on Universal Usability (CUU '00)
By Ben Shneiderman, Carol Hert, Gary Marchionini, Liz Liddy
Issue Date:November 2000
pp. 132-138
This paper describes progress toward improving user interfaces for US Federal government statistics that are presented in tables. Based on studies of user behaviors and needs related to statistical tables, we describe interfaces to assist diverse users wit...
     
Multimodal surrogates for video browsing
Found in: Proceedings of the fourth ACM conference on Digital libraries (DL '99)
By Dagobert Soergel, Gary Marchionini, Wei Ding
Issue Date:August 1999
pp. 85-93
This presentation focuses on the strategic design planning and vision creation process for the E-Quarium, the online complement to the Monterey Bay Aquarium. More than six months of informed investigation and analysis resulted in an ambitious redesign of t...
     
Key frame preview techniques for video browsing
Found in: Proceedings of the third ACM conference on Digital libraries (DL '98)
By Anita Komlodi, Gary Marchionini
Issue Date:June 1998
pp. 118-125
This presentation focuses on the strategic design planning and vision creation process for the E-Quarium, the online complement to the Monterey Bay Aquarium. More than six months of informed investigation and analysis resulted in an ambitious redesign of t...
     
Bringing treasures to the surface: previews and overviews in a prototype for the Library of Congress National Digital Library
Found in: CHI 98 conference summary on Human factors in computing systems (CHI '98)
By Anita Komlodi, Catherine Plaisant, Gary Marchionini
Issue Date:April 1998
pp. 187-188
We present an approach to control information flow in object-oriented systems. The decision of whether an informatin flow is permitted or denied depends on both the authorizations specified on the objects and the process by which information is obtained an...
     
Connecting citizens to the National Spatial Data Infrastructure via local libraries (poster)
Found in: Proceedings of the second ACM international conference on Digital libraries (DL '97)
By Derek Thompson, Gary Marchionini, Jeffrey Burka
Issue Date:July 1997
pp. 265
This presentation focuses on the strategic design planning and vision creation process for the E-Quarium, the online complement to the Monterey Bay Aquarium. More than six months of informed investigation and analysis resulted in an ambitious redesign of t...
     
Content + connectivity => community: digital resources for a learning community
Found in: Proceedings of the second ACM international conference on Digital libraries (DL '97)
By Allison Gordon, Anne Rose, Ernestine Enomoto, Gary Marchionini, Hunter Williams, Josephus Beale, Lynn Harbinson, Victor Nolet, Wei Ding
Issue Date:July 1997
pp. 212-220
This presentation focuses on the strategic design planning and vision creation process for the E-Quarium, the online complement to the Monterey Bay Aquarium. More than six months of informed investigation and analysis resulted in an ambitious redesign of t...
     
Bringing treasures to the surface: iterative design for the Library of Congress National Digital Library Program
Found in: Proceedings of the SIGCHI conference on Human factors in computing systems (CHI '97)
By Anita Komlodi, Catherine Plaisant, Gary Marchionini, Laura Campbell, Tom Bruns
Issue Date:March 1997
pp. 518-525
We present an approach to control information flow in object-oriented systems. The decision of whether an informatin flow is permitted or denied depends on both the authorizations specified on the objects and the process by which information is obtained an...
     
Evaluation
Found in: Proceedings of the the seventh ACM conference on Hypertext (HYPERTEXT '96)
By Blair Nonnecke, Francisco V. Cipolla Ficarra, Gary Marchionini, Jenny Preece, Kim Nguyen, Punyashloke Mishra
Issue Date:March 1996
pp. 260
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
Information processing in the context of medical care
Found in: Proceedings of the 18th annual international ACM SIGIR conference on Research and development in information retrieval (SIGIR '95)
By Gary Marchionini, Valerie Florance
Issue Date:July 1995
pp. 158-163
The TIPSTER collection is unusual because of both its size and detail. In particular, it describes a set of information needs, as opposed to traditional queries. These detailed representations of information need are an opportunity for research on differen...
     
Evaluating hypermedia and learning: methods and results from the Perseus Project
Found in: ACM Transactions on Information Systems (TOIS)
By Gary Marchionini, Gregory Crane
Issue Date:January 1992
pp. 5-34
The Perseus Project has developed a hypermedia corpus of materials related to the ancient Greek world. The materials include a variety of texts and images, and tools for using these materials and navigating the sytem. Results from a three-year evaluation o...
     
A self-organizing semantic map for information retrieval
Found in: Proceedings of the 14th annual international ACM SIGIR conference on Research and development in information retrieval (SIGIR '91)
By Dagobert Soergel, Gary Marchionini, Xia Lin
Issue Date:October 1991
pp. 262-269
In this paper, we propose a method for specifying the functionality of an intelligent interface to large-scale information retrieval systems, and for implementing those functions in an operational environment. The method is based on a progressive, three-st...
     
Supporting statistical electronic table usage by citizens
Found in: Communications of the ACM
By Ben Shneiderman, Carol A. Hert, Elizabeth D. Liddy, Gary Marchionini
Issue Date:January 1988
pp. 52-54
Over 70 agencies at the federal level are charged with collecting data and producing and disseminating statistics. These statistics are used to inform government policy, shape health care initiatives, provide information on the state of the economy, and ot...
     
Introduction
Found in: Communications of the ACM
By Gary Marchionini, Hanan Samet, Larry Brandt
Issue Date:January 1988
pp. 24-27
Information technologies are being applied vigorously by governmental units at national, regional, and local levels around the world. The application of IT to government service is often termed "e-government" and the larger concept of government that depen...
     
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