Finding the Truth

Finding the truth behind photographs

In the analog world, photographic images have generally been accepted as ‘proof of occurrence’ of the depicted events. But today, the creation and manipulation of images is made simple by digital processing tools that are widely available and easily obtained. As a result, we can no longer take the authenticity of any images, analog or digital, for granted. This is especially true when they are ...

Finding "truth" in managed care.

Finding “truth” across different data sources

The proliferation of new technology platforms and tools is dramatically advancing our ability to capture, integrate and use clinical and other health related data for research and care. Another critical and increasingly common source of data comes directly from patients - often in the form of Patient Reported Outcomes (PRO). As more providers and payers recognize that patient experiences reflec...

Truth Finding on the Deep Web: Is the Problem Solved?

The amount of useful information available on the Web has been growing at a dramatic pace in recent years and people rely more and more on the Web to fulfill their information needs. In this paper, we study truthfulness of Deep Web data in two domains where we believed data are fairly clean and data quality is important to people’s lives: Stock and Flight. To our surprise, we observed a large a...

GalaxyScope – Finding the “Truth of Tribes” on Social Media

This paper introduces GalaxyScope, a novel system to distinguish different interpretations of “truth” for different virtual tribes. It extracts the tribes from Wikipedia through analyzing its categories “Ideologies”, “Lifestyles”, and “Culture”, leading to tribes such as “capitalism”, “socialism”, and “liberalism”. It then calculates the most influential “tribe leaders” through their associatio...