Data science
fromFortune
19 hours agoAI models are choking on junk data | Fortune
Quality data is crucial for advancing physical AI and world models, as junk data hampers development and potential.
The bag-of-words model is a text representation technique that converts unstructured text into numerical vectors by tracking which words appear across a corpus. Rather than preserving grammar or word order, it simply represents each document as a 'bag' of its words, recording how often each one appears.
Next-word pretraining creates statistical pressure toward hallucination, even with idealized error-free data. Facts lacking repeated support in training data yield unavoidable errors, while recurring regularities do not.
Wiggins will lead a team that optimizes the use of machine learning and artificial intelligence to improve outcomes company-wide, from maximizing advertising and subscriber revenue to creating unique and personalized experiences for users.
The Recovery Engagement and Coordination for Health-Veteran Enhanced Treatment, or REACH VET, program identifies veterans in the top 0.1% of suicide risk by analyzing health records for specific indicators of potential self-harm.
Currently I'm working on a virtue ethics approach to the issue of whether examples of moral badness should be allowed in machine learning with artificial moral agents. Motivating the side that we should do so is of special interest to me, with a focus on actions that are not wrong yet worse than morally indifferent.
PolarQuant is doing most of the compression, but the second step cleans up the rough spots. Google proposes smoothing that out with a technique called Quantized Johnson-Lindenstrauss (QJL).