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Understanding Pen and Touch Interaction for Data Exploration on Interactive Whiteboards
"... Abstract—Current interfaces for common information visualizations such as bar graphs, line graphs, and scatterplots usually make use of the WIMP (Windows, Icons, Menus and a Pointer) interface paradigm with its frequently discussed problems of multiple levels of indirection via cascading menus, dial ..."
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Abstract—Current interfaces for common information visualizations such as bar graphs, line graphs, and scatterplots usually make use of the WIMP (Windows, Icons, Menus and a Pointer) interface paradigm with its frequently discussed problems of multiple levels of indirection via cascading menus, dialog boxes, and control panels. Recent advances in interface capabilities such as the availability of pen and touch interaction challenge us to re-think this and investigate more direct access to both the visualizations and the data they portray. We conducted a Wizard of Oz study to explore applying pen and touch interaction to the creation of information visualization interfaces on interactive whiteboards without implementing a plethora of recognizers. Our wizard acted as a robust and flexible pen and touch recognizer, giving participants maximum freedom in how they interacted with the system. Based on our qualitative analysis of the interactions our participants used, we discuss our insights about pen and touch interactions in the context of learnability and the interplay between pen and touch gestures. We conclude with suggestions for designing pen and touch enabled interactive visualization interfaces. Index Terms—Pen and touch, interaction, Wizard of Oz, whiteboard, data exploration. 1
Probabilistic projections of the total fertility rate for all countries (Working Paper 97
- Center for Statistics and the Social Sciences, University of Washington
, 2010
"... Abstract We describe a Bayesian projection model to produce countryspecific projections of the total fertility rate (TFR) for all countries. The model decomposes the evolution of TFR into three phases: pre-transition high fertility, the fertility transition, and post-transition low fertility. The mo ..."
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Abstract We describe a Bayesian projection model to produce countryspecific projections of the total fertility rate (TFR) for all countries. The model decomposes the evolution of TFR into three phases: pre-transition high fertility, the fertility transition, and post-transition low fertility. The model for the fertility decline builds on the United Nations Population Division’s current Electronic supplementary material The online version of this article (doi:10.1007/s13524-011-0040-5) contains supplementary material, which is available to authorized users.
Infertility and the provision of infertility medical services in developing countries
- Human Reproduction Update
, 2008
"... developing countries ..."
Collective sensing: Integrating geospatial technologies to understand urban systems—An overview. Remote Sens
"... Abstract: Cities are complex systems composed of numerous interacting components that evolve over multiple spatio-temporal scales. Consequently, no single data source is sufficient to satisfy the information needs required to map, monitor, model, and ultimately understand and manage our interaction ..."
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Abstract: Cities are complex systems composed of numerous interacting components that evolve over multiple spatio-temporal scales. Consequently, no single data source is sufficient to satisfy the information needs required to map, monitor, model, and ultimately understand and manage our interaction within such urban systems. Remote sensing technology provides a key data source for mapping such environments, but is not sufficient for fully understanding them. In this article we provide a condensed urban perspective of critical geospatial technologies and techniques: (i) Remote Sensing; (ii) Geographic Information Systems; (iii) object-based image analysis; and (iv) sensor webs, and recommend a holistic integration of these technologies within the language of open geospatial consortium (OGC) standards in-order to more fully understand urban systems. We then discuss the potential of this integration and conclude that this extends the monitoring and mapping options beyond “hard infrastructure ” by addressing “humans as sensors”, mobility and human-environment interactions, and future improvements to quality of life and of social infrastructures. Remote Sens. 2011, 3 1744
Organizing the unorganized – employing IT to empower the underprivileged
- Proc. of the 17th International Conference on World Wide Web, 2008, ACM (2008
"... Various sectors in developing countries are typically dominated by the presence of a large number of small and microbusinesses that operate in an informal, unorganized manner. Many of these are single person run micro-businesses and cannot afford to buy and maintain their own IT infrastructure. For ..."
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Various sectors in developing countries are typically dominated by the presence of a large number of small and microbusinesses that operate in an informal, unorganized manner. Many of these are single person run micro-businesses and cannot afford to buy and maintain their own IT infrastructure. For others, easy availability of cheap labour provides a convenient alternative even though it results in inefficiency, as little or no records are maintained, and only manual, paper-based processes are followed. This results in high response times for customers, no formal accountability and higher charges. For the businesses this translates to lower earnings and losses due to inefficiencies. In this paper, we look at few such micro-business segments and explore their current models of operation, while identifying existing inefficiencies and pain points. We build upon the findings and propose an approach for delivering benefits of IT solutions to such micro-business segments. Finally, we present technology that realizes the proposed approach in the specific context of two such segments.
Corners: Urban Operations at Century’s End
- US Army Command and General Staff
, 2001
"... Sharp corners: urban operations at century's end / Roger J. Spiller. p. cm. Includes bibliographical references. 1. Urban warfare. 2. Street fighting (military science) I. Title. U167.5.S7 S65 2001 355.4'26—dc21 2001047062 CGSC Press publications cover a variety of military history topics. ..."
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Sharp corners: urban operations at century's end / Roger J. Spiller. p. cm. Includes bibliographical references. 1. Urban warfare. 2. Street fighting (military science) I. Title. U167.5.S7 S65 2001 355.4'26—dc21 2001047062 CGSC Press publications cover a variety of military history topics. The views expressed in this CGSC Press publication are those of the author and not necessarily those of the Department of the Army or the Department of Defense. A full list of CSI\CGSC Press publications, many of them available for
Prevalence and Factors Associated with Intestinal Parasitic Infection among Children in an Urban Slum of Karachi
"... Background: Intestinal parasitic infections are endemic worldwide and have been described as constituting the greatest single worldwide cause of illness and disease. Poverty, illiteracy, poor hygiene, lack of access to potable water and hot and humid tropical climate are the factors associated with ..."
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Background: Intestinal parasitic infections are endemic worldwide and have been described as constituting the greatest single worldwide cause of illness and disease. Poverty, illiteracy, poor hygiene, lack of access to potable water and hot and humid tropical climate are the factors associated with intestinal parasitic infections. The study aimed to estimate prevalence and identify factors associated with intestinal parasitic infections among 1 to 5 years old children residing in an urban slum of Karachi Pakistan. Methods and Principal Findings: A cross sectional survey was conducted from February to June 2006 in Ghosia Colony Gulshan Town Karachi, Pakistan. A simple random sample of 350 children aged 1–5 years was collected. The study used structured pre-tested questionnaire, anthropometric tools and stool tests to obtain epidemiological and disease data. Data were analyzed using appropriate descriptive, univariate and multivariable logistic regression methods. The mean age of participants was 2.8 years and 53 % were male. The proportions of wasted, stunted and underweight children were 10.4%, 58.9 % and 32.7 % respectively. The prevalence of Intestinal parasitic infections was estimated to be 52.8 % (95 % CI: 46.1; 59.4). Giardia lamblia was the most common parasite followed by Ascaris lumbricoides, Blastocystis hominis and Hymenolepis nana. About 43 % children were infected with single parasite and 10 % with multiple parasites. Age {Adjusted Odds Ratio (aOR) = 1.5; 95 % CI: 1.1; 1.9}, living in rented households (aOR = 2.0; 95 % CI: 1.0; 3.9) and history of excessive crying
