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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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Streamlines, Streaklines, and Pathlines01:18

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A streamline represents the trajectory that is always tangent to the fluid's velocity vector at any given point. The velocity of a fluid particle is always directed along the streamline, ensuring the particle continuously follows the streamline's path. Streamlines are particularly useful for visualizing the overall direction of flow in a fluid system, and they provide an instantaneous representation of the flow's velocity field. In steady flow, where conditions do not change over...
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Divergence and Curl01:15

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The divergence of a vector field at a point is the net outward flow of the flux out of a small volume through a closed surface enclosing the volume, as the volume tends to zero. More practically, divergence measures how much a vector field spreads out or diverges from a given point. For an outgoing flux, conventionally, the divergence is positive. The diverging point is often called the "source" of the field. Meanwhile, the negative divergence of a vector field at a point means that the vector...
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Deconvolution01:20

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Deconvolution, also known as inverse filtering, is the process of extracting the impulse response from known input and output signals. This technique is vital in scenarios where the system's characteristics are unknown, and they must be inferred from the observable signals.
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Escape Velocity01:26

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The escape velocity of an object is defined as the minimum initial velocity that it requires to escape the surface of another object to which it is gravitationally bound and never to return. For example, what would be the minimum velocity at which a satellite should be launched from the Earth's surface such that it just escapes the Earth's gravitational field?
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Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Updated: Feb 24, 2026

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Rapid and Reusable Text Visualization and Exploration Development with DELVE.

Daniel R Harris1,2, Ramakanth Kavuluru2,3, Jerzy W Jaromczyk2

  • 1Center for Clinical and Translational Sciences, University of Kentucky, Lexington, KY 40506.

AMIA Joint Summits on Translational Science Proceedings. AMIA Joint Summits on Translational Science
|August 18, 2017
PubMed
Summary
This summary is machine-generated.

DELVE (Document Exploration and Visualization Engine) offers interactive web applications for exploratory literature search. This framework aids researchers in understanding scientific literature through faceted visualizations, improving information discovery and interdisciplinary collaboration.

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Area of Science:

  • Computer Science
  • Information Science
  • Scientific Literature Analysis

Background:

  • Researchers face challenges in exploratory literature search and understanding the scientific landscape.
  • Existing tools may not adequately satisfy information needs or facilitate interdisciplinary comprehension.

Purpose of the Study:

  • To introduce DELVE (Document Exploration and Visualization Engine), a framework for creating interactive, modular web-based visualizations.
  • To enhance exploratory literature search by providing immersive, faceted visualizations derived from scientific literature.
  • To support researchers in understanding research states and facilitating interdisciplinary work.

Main Methods:

  • Development of a framework based on user-centered design and human-computer interaction (HCI) principles.
  • Creation of modular web applications for interactive data visualization.
  • Utilizing a category-theoretic model to promote interoperability and reusable visualizations.

Main Results:

  • Preliminary evaluations demonstrate DELVE's utility in identifying inappropriate search queries through generalized clouds.
  • A case study showed a biologist discovering disciplinary vocabulary differences for shared concepts, crucial for interdisciplinary research.
  • The framework's design encourages the development of interoperable and reusable visualization components.

Conclusions:

  • DELVE provides a powerful framework for interactive scientific literature exploration and visualization.
  • The system effectively addresses researchers' information needs and aids in understanding complex research domains.
  • DELVE's approach fosters better interdisciplinary communication and the creation of reusable visualization tools.