New Mobile App Can Tell If You're Lying

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A new mobile app developed at Stevens tells you, in an instant, who's telling the truth.

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It now can do very accurate analyses of texts, based on very few words.

A new mobile app developed at Stevens tells you, in an instant, who's telling the truth.


Jaasuz, a revolutionary technology invented at Stevens by two faculty members and perfected with the assistance of their graduate students, appeared on Apple's iTunes "app store" after three years of development. It may be the first-ever iOS application to tell right from wrong.

The app reads text and quickly sifts through it for dozens of different clues about truth (or intent to deceive), as well as gender, drawing on historical patterns extracted from hundreds of confirmed online hoaxes and half a million known-gender emails. Potential applications for the fraud-detecting technology might include uses in the insurance, law enforcement, cybersecurity and legal professions, among others.

"We have refined the app and the algorithms a great deal recently," says Rajarathnam Chandramouli, the Thomas E. Hattrick Chair Professor of Information Systems, who devised the technology with Associate Professor of Electrical and Computer Engineering K.P. Subbalakshmi. "It now can do very accurate analyses of texts, based on very few words."

"We think enterprises will be extremely interested in this capability, particularly given the number of cyber attacks that originate as tweets, text messages or social media posts."

Additional Jaasuz tools available online can also detect malicious or sexual intent, same-authorship and plagiarism, adds Chandramouli.

About Stevens

Stevens Institute of Technology, The Innovation University®, is a premier, private research university situated in Hoboken, N.J. overlooking the Manhattan skyline. Founded in 1870, technological innovation has been the hallmark and legacy of Stevens’ education and research programs for more than 140 years. Within the university’s three schools and one college, more than 6,100 undergraduate and graduate students collaborate with more than 350 faculty members in an interdisciplinary, student-centric, entrepreneurial environment to advance the frontiers of science and leverage technology to confront global challenges. Stevens is home to three national research centers of excellence, as well as joint research programs focused on critical industries such as healthcare, energy, finance, defense, STEM education and coastal sustainability. The university is consistently ranked among the nation’s elite for return on investment for students, career services programs and mid-career salaries of alumni. Stevens is in the midst of a 10-year strategic plan, The Future. Ours to Create., designed to further extend the Stevens legacy to create a forward-looking and far-reaching institution with global impact.

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Danielle Wooddruffe
Stevens Institute of Technology
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