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Related Concept Videos

Correlations02:20

Correlations

36.6K
Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
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Correlation and Causation01:27

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Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
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Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
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Protein Networks02:26

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
Two variables, for example, a and b, are said to be positively correlated if both variables move in the same direction. In other words, a positive correlation exists between two variables, a and b, if:
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Related Experiment Video

Updated: Feb 15, 2026

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks
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Efficient IPv6 address scanning based on hostname correlation in IPv6-only network.

Ce Sun1, Liancheng Zhang2,3, Ruijuan Wang4

  • 1School of Cyber Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China.

Scientific Reports
|February 13, 2026
PubMed
Summary

HFinder6 enhances IPv6-only network scanning by correlating hostnames, improving OS coverage and efficiency. This new method significantly boosts alive node discovery in IPv6-only environments.

Keywords:
Address scanningHostname correlationIPv6IPv6-onlyOn-link

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Area of Science:

  • Computer Networking
  • Network Security
  • Operating Systems

Background:

  • Existing IPv6 scanning methods struggle with modern OS security, leading to incomplete scans.
  • Dual-stack scanning tools rely on IPv4, limiting their use in IPv6-only networks.
  • There's a need for efficient IPv6 address scanning in IPv6-only environments.

Purpose of the Study:

  • To propose HFinder6, an efficient IPv6 address scanning technology for IPv6-only networks.
  • To improve OS coverage and completeness of IPv6 address scanning.
  • To enhance the efficiency of IPv6 address discovery.

Main Methods:

  • HFinder6 combines passive capture of DHCPv6 Solicit messages with active triggering via NDP Router Advertisement messages.
  • It forces nodes to send Solicit messages for rapid hostname acquisition.
  • Parallel querying using mDNS and LLMNR protocols retrieves IPv6 address information.

Main Results:

  • HFinder6 discovered 43 IPv6 addresses across 18 OS versions in an average of 10.29 seconds in IPv6-only networks.
  • It matched FScan6 in OS coverage and completeness, outperforming 6 other tools.
  • HFinder6 identified 14 more OS versions and scanned 35 more IPv6 addresses, increasing completeness by 5.37 times.

Conclusions:

  • HFinder6 significantly enhances IPv6 address scanning completeness and efficiency in IPv6-only networks.
  • The method overcomes limitations of existing IPv6-only and dual-stack scanning technologies.
  • HFinder6 offers a robust solution for discovering alive nodes and their OS versions in modern IPv6-only environments.