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1999 Video Reports

Introduction (44 MB) B. Shneiderman (2:58)
Query Previews for EOSDIS (1999 UPDATE) (93 MB) C. Plaisant and M. Venkatraman (7:02)
Query Previews allow users to rapidly gain an understanding of the content and scope of a digital data collection. These previews present overviews of abstracted metadata enabling users to rapidly and dynamically avoid undesired data. This video summarizes our work on developing query previews for NASA Earth Science data. New developments include approaches that successfully address the challenge of multi-valued attribute data. Memory requirements and processing time associated with running these new solutions remain independent of the number of records in the dataset.
Design Space for Data and label Placement for information visualization (102 MB)  J. Li, C. Plaisant, B. Shneiderman (7:39)
Placing numerous data objects and their corresponding labels in limited screen space is a challenging problem in information visualization systems. We demonstrate a variety of static and dynamic placement techniques, shown in the context of the LifeLines application. A control panel facilitates user customization of labels placement and aggregation mechanisms.
Understanding the effect of incidents on transportation delays with a simulation based environment (60 MB) C. Plaisant, S. Keswani, P. Tarnoff (4:28)
A simulation-based learning environment provide system designers and operators with an appreciation of the impact of incidents on traffic delay. We used SimPLE (Simulated Processes in a Learning Environment) which uses dynamic simulations and visualizations to represent realistic time-dependent behavior. Guidance material and other software aids facilitate learning. The simulation allows learners to close freeway lanes and divert traffic to an arterial road. Users can see the effect of the detour on freeway and arterial delay. Users can then adjust signal timing interactively on a time space diagram and watch the effect of their adjustment on green band changes and on arterial delays and total delays.
Visualizing Legal Information: Hierarchical and Temporal presentations (99 MB) B. Allen, R. Feldman, C. Harris, A. Komlodi, B. Shneiderman (7:21)
West Group provides online access to millions of legal precedents and statutes. However, because of the volume of information, which is presented textually, users often work hard to locate the most valuable items. Three visualizations were implemented to facilitate this task: (1) WebTOC shows search results in an outliner format using the familiar West Key Number System, which is a topical legal hierarchy, (2) Dotfire shows the same hierarchy as an axis of a 2-dimensional visualization that includes color-coded items grouped in grid cells, and (3) LifeLines shows the temporal history of a single case with horizontal timelines.
Snap together visualization (63 MB) C. North, B. Shneiderman (4:31)
Information visualizations with multiple coordinated views enable users to rapidly explore complex data and discover relationships. However, it is usually difficult for users to find or create the coordinated set of visualizations they need. Snap-Together Visualization allows users to coordinate visualizations to create customized multiple-view interfaces. Users query their relational database and load results into desired visualizations. Then they specify coordinations between visualizations for selecting, navigating, or re-querying. Developers can make independent visualization tools ‘snap-able’ by including a few simple hooks.
Designing PETS: A Personal Electronic Teller of Stories (105 MB)  A. Druin, J. Montemayor, J. Hendler, B. McAlister, A. Boltman, E. Fiterman, A. Plaisant, A. Kruskal, H. Olsen, I. Revett, T. Plaisant Schwenn, L. Sumida, & R. Wagner (7:49)
In today's homes and schools, children are emerging as frequent and experienced users of technology. As this trend continues, it becomes increasingly important to ask if we are fulfilling the technology needs of our children. To answer this question, we have developed a research approach that enables young children to have a voice throughout the technology development process. This video describes our research approach with a team of six children (ages 7-11 years old) and six adult researchers with experience in computer science, education, art, and robotics. In this video, we show our team at work to develop PETS: A Personal Electronic Teller of Stories. This is a new robotic pet that can support children in the storytelling process.
Welcome to the HCIL-2 Kids First Kid-Made Video (50 MB) A. Kruskal, H. Olsen, I. Revett, T. Plaisant Schwenn, L. Sumida, & R. Wagner (with help from A. Druin, J. Montemayor, A. Boltman, L. Sherman, G. Chipman, and H. Alborzi) (3:41)
This video is about what we do as kids making new technologies for kids. When our team of adults and kids work together, we start with something and keep on testing and then improving. Designing our robot is also a lot like an adventure. It's a huge pile of challenges that never end. We use our imagination, legos, servos, computers, craft materials and lots of low-tech stuff. Our robot is very different from other robots. First of all, it has fur and most other robots do not. Our robot acts out certain emotions for stories that you write. Our robot has parts that you can put in different places unlike other robots. The last and the most important is that we made the robot with kids and adults. This robot shows how we all worked together.
KidPad: A Collaborative Storytelling Environment for Children (42 MB) B. Bederson, A. Druin, J. Pablo-Hourcade, A. Boltman (3:11)
Narratives are ubiquitous. Some argue that the fundamental element in life is the story and storytelling can be viewed as a framework for almost all communication. As such, storytelling can also be used as an approach to learning. Within our recently launched KidStory research project (in a collaboration with the European Union), storytelling is the focus for a set of tools and collaboration principles that we are developing. The technology tools we have come to see as important support co-present collaboration for children. This technique we call Single Display Groupware, where children can work together at the same computer as partners in creating a shared story. Our goal is to develop tools that will enhance children's communication skills, expressive storytelling capabilities, and collaboration experiences.
Softer Software: an excerpt from the Maryland State of Mind program (118 MB) (8:28)
A public broadcasting review of HCIL projects going back to early work on hypertext with mousable text links. It also covers recent efforts on information visualization, such as the Visible Human Explorer, and children as technology design partners.

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