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Explaining Machine Learning Models for Natural Language
We also investigate one popular method for faithfully explaining neural NLP models: attention weights. Attention is a highly successful model architecture component used in machine learning. It produces an intermediate set of values called weights, which correspond to locations of individual words in a given input: a higher attention weight means that (a vector artifact corresponding to the location of) that word was more important for the model's prediction. For example, if the goal is to predict the label "five stars" for a movie review, the model might learn to place larger attention weights on the vectors representing words "loved" and "good" rather than "the", "and", or "movie", which don't really indicate much about the author's feelings towards the film. See Figure 1 for an example of attention weights on a movie review.
Machine Learning Artificial intelligence Market 2022 by Top Key Players and Vendors: AIBrain, Amazon, Anki, CloudMinds, Deepmind, etc – The Post Newspaper
The study provides an overview of how business professionals in the Global Machine Learning Artificial intelligence Market report have established a globally unique model to strategize the policies to contain the deleterious impact of the COVID-19 pandemic. The report highlights those market sectors that present a positive growth trend and a positive future outlook for the market participants by 2022-2027. The segments that have witnessed increase in the annual sales, market share because of the significant factors like trade and other. The Machine Learning Artificial intelligence report outlines business models and marketing strategies incorporated by market players to sustain the competition and accelerate business growth in market. Through various market scenarios, it recommends some solutions to implement in future to stay ahead of the competition and gives detailed insights about the covid-19 impact on the market.
Meet 'Moxi' – ChristianaCare introduces innovative collaborative robot to give nurses more time to deliver patient care
ChristianaCare, a Cerner client since 1989, is piloting an innovative tool called Moxi, a collaborative robot -- or "cobot" made by Diligent -- that can assist inside the hospital by making deliveries and performing other non-clinical tasks so that nurses and other clinical staff can spend more time focused on what they do best--caring for patients.
Knowledge-Grounded Dialogue Generation with a Unified Knowledge Representation
Li, Yu, Peng, Baolin, Shen, Yelong, Mao, Yi, Liden, Lars, Yu, Zhou, Gao, Jianfeng
Knowledge-grounded dialogue systems are challenging to build due to the lack of training data and heterogeneous knowledge sources. Existing systems perform poorly on unseen topics due to limited topics covered in the training data. In addition, heterogeneous knowledge sources make it challenging for systems to generalize to other tasks because knowledge sources in different knowledge representations require different knowledge encoders. To address these challenges, we present PLUG, a language model that homogenizes different knowledge sources to a unified knowledge representation for knowledge-grounded dialogue generation tasks. PLUG is pre-trained on a dialogue generation task conditioned on a unified essential knowledge representation. It can generalize to different downstream knowledge-grounded dialogue generation tasks with a few training examples. The empirical evaluation on two benchmarks shows that our model generalizes well across different knowledge-grounded tasks. It can achieve comparable performance with state-of-the-art methods under a fully-supervised setting and significantly outperforms other methods in zero-shot and few-shot settings.