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Related Concept Videos

Bar Graph01:07

Bar Graph

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A bar graph is also called a bar chart and consists of bars that are separated from each other. It either uses horizontal or vertical bars to show comparisons among categories. The bars can be rectangles, or they can be rectangular boxes (used in three-dimensional plots). One axis of the graph represents the specific categories being compared, and the other axis shows a discrete value. In this graph, the length of the bar for each category is proportional to the number or percent of individuals...
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Multiple Bar Graph01:07

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As the name suggests, a multiple bar graph is the same as a bar graph but has multiple bars to depict relationships between different data values. One can include as many parameters as possible. However, each parameter must have the same unit of measurement.
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Dietary Connections01:23

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In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
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Ogive Graph01:07

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An ogive graph is sometimes called a cumulative frequency polygon. It is one type of frequency polygon that shows cumulative frequency. In other words, the cumulative percentages are added to the graph from left to right. An ogive graph plots cumulative frequency on the vertical y-axis and class boundaries along the horizontal x-axis. It’s very similar to a histogram; only instead of rectangles, an ogive displays a single point where the top right of the rectangle would be. Creating this...
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pV-Diagrams01:18

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The pV diagram, which is a graph of pressure versus volume of the gas under study, is helpful in describing certain aspects of the substance. When the substance behaves like an ideal gas, the ideal gas equation describes the relationship between its pressure and volume. On a pV diagram, it is common to plot an isotherm, which is a curve showing p as a function of V with the number of molecules and the temperature fixed. Then, for an ideal gas, the product of the pressure of the gas and its...
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Pie Chart01:04

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A pie chart (or a pie graph) is a circular graphical chart or a pictorial representation of categorical data. It is divided into slices of pie each indicating numerical proportions. It is also used to show the relative sizes of data in a single chart.
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Related Experiment Video

Updated: Jan 4, 2026

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
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Prototyping an Interactive Visualization of Dietary Supplement Knowledge Graph.

Xing He1, Rui Zhang2, Rubina Rizvi2

  • 1Health Outcomes & Biomedical Informatics, University of Florida, Gainesville, Florida, USA.

Proceedings. IEEE International Conference on Bioinformatics and Biomedicine
|November 1, 2019
PubMed
Summary
This summary is machine-generated.

Consumers often lack knowledge about dietary supplements (DS). A new tool, ALOHA, uses graph visualization to make the DIetary Supplement Knowledge base (iDISK) more accessible, though usability needs improvement.

Keywords:
dietary supplementknowledge graphusability testinguser-centered design

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Area of Science:

  • Health Informatics
  • Consumer Health Information
  • Knowledge Representation

Background:

  • Dietary supplements (DS) are widely used, but consumer knowledge regarding their safety and efficacy is limited.
  • Existing knowledge bases like the integrated DIetary Supplement Knowledge base (iDISK) lack user-friendly interfaces for general consumers.
  • There is a significant gap in how consumers access and understand online health information, particularly concerning DS.

Purpose of the Study:

  • To develop a user-centered web application, ALOHA, to improve consumer access to DS information.
  • To utilize interactive graph-based visualization for browsing the iDISK knowledge base.
  • To address the need for better organization and consumption of online health information.

Main Methods:

  • Prototyped a web application, ALOHA, applying user-centered design principles.
  • Incorporated interactive graph-based visualization for data exploration.
  • Conducted a usability inspection and design session with a focus group.
  • Evaluated prototype usability using a modified System Usability Scale (SUS).

Main Results:

  • The ALOHA prototype demonstrated marginal usability with a SUS score of 63.75 (±7.2).
  • Focus group participants unanimously agreed on the urgent need for such an application.
  • Feedback highlighted critical gaps in current online DS and general health information access.

Conclusions:

  • The ALOHA prototype, while needing refinement, shows promise in enhancing consumer understanding of dietary supplements.
  • User feedback is crucial for the next iteration, focusing on improving the user experience and information accessibility.
  • The study underscores the necessity of intuitive tools for navigating complex health information online.