Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design Example01:23

Design Example

486
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
486
Distance Measurements by Taping01:18

Distance Measurements by Taping

362
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
362
Relationship Formation02:12

Relationship Formation

45.1K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
45.1K
Wilcoxon Signed-Ranks Test for Matched Pairs01:09

Wilcoxon Signed-Ranks Test for Matched Pairs

407
The Wilcoxon signed-rank test for matched pairs evaluates the null hypothesis by combining the ranks of differences with their signs. It essentially tests whether the median of the differences in a population of matched pairs is zero. Since the test incorporates more information than the sign test, it generally yields more trustable conclusions. This test also does not require the data to follow a normal distribution, but two conditions must be met for it to be applicable: (1) the data must...
407
The Midpoint Formula01:24

The Midpoint Formula

558
In coordinate geometry, determining the central point between two locations is common. This central point, or midpoint, lies exactly halfway along the line segment connecting two points in a two-dimensional space. It has applications in mathematics, physics, engineering, and various planning disciplines.Given two points labeled as A (x1, y1) and B (x2, y2) on a coordinate plane, a straight line segment can be plotted between them. The midpoint, labeled point M, divides this segment into two...
558
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

17.3K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
17.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Fusing linguistic and acoustic information for automated forensic speaker comparison.

Science & justice : journal of the Forensic Science Society·2024
Same author

An overview of log likelihood ratio cost in forensic science - Where is it used and what values can we expect?

Forensic science international. Synergy·2024
Same author

From data to a validated score-based LR system: A practitioner's guide.

Forensic science international·2024
Same author

Objectifying evidence evaluation for gunshot residue comparisons using machine learning on criminal case data.

Forensic science international·2022
Same author

Why calibrating LR-systems is best practice. A reaction to "The evaluation of evidence for microspectrophotometry data using functional data analysis", in FSI 305.

Forensic science international·2020
Same author

Automated estimation of the number of contributors in autosomal short tandem repeat profiles using a machine learning approach.

Forensic science international. Genetics·2019

Related Experiment Video

Updated: Dec 27, 2025

Measuring the Switch Cost of Smartphone Use While Walking
07:00

Measuring the Switch Cost of Smartphone Use While Walking

Published on: April 30, 2020

2.1K

Establishing phone-pair co-usage by comparing mobility patterns.

Wauter Bosma1, Sander Dalm1, Erwin van Eijk1

  • 1Netherlands Forensic Institute, PO Box 24044, 2490AA The Hague, The Netherlands.

Science & Justice : Journal of the Forensic Science Society
|March 1, 2020
PubMed
Summary

Forensic investigations can determine if two phones belonged to the same person using cell tower data. This method analyzes mobile phone time and location, providing evidence strength for legal use.

Keywords:
Cell phoneEvidence evaluationGeographic locationsLikelihood ratioMachine learning

More Related Videos

An Application for Pairing with Wearable Devices to Monitor Personal Health Status
06:58

An Application for Pairing with Wearable Devices to Monitor Personal Health Status

Published on: February 3, 2022

3.2K
Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

8.4K

Related Experiment Videos

Last Updated: Dec 27, 2025

Measuring the Switch Cost of Smartphone Use While Walking
07:00

Measuring the Switch Cost of Smartphone Use While Walking

Published on: April 30, 2020

2.1K
An Application for Pairing with Wearable Devices to Monitor Personal Health Status
06:58

An Application for Pairing with Wearable Devices to Monitor Personal Health Status

Published on: February 3, 2022

3.2K
Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

8.4K

Area of Science:

  • Digital Forensics
  • Mobile Device Analysis
  • Statistical Modeling

Background:

  • Establishing common phone usage is crucial in forensic investigations.
  • Existing methods may lack transparency or real-world validation.

Purpose of the Study:

  • To present a transparent, validated method for assessing if two phones were used by the same individual.
  • To quantify the evidential strength using a likelihood ratio based on cell tower data.

Main Methods:

  • Utilizing time and location data from mobile phone cell tower registrations.
  • Employing logistic regression for hypothesis discrimination (same vs. different user).
  • Applying kernel density estimation for likelihood ratio calculation.

Main Results:

  • The method demonstrates good performance across various modeling choices.
  • The approach shows robustness even with limited or lower-quality data.
  • Validation on real-world data supports practical application.

Conclusions:

  • The presented method offers a transparent and reliable tool for forensic investigations.
  • This technique can effectively assess the evidential weight of shared phone usage.
  • The study paves the way for practical court application of cell tower data analysis.