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Exponential Family The pdf is as follows, $$ p(y;\eta)=b(y) e^{\eta^TT(y)-a(\eta)} $$ Mathematical properties: MLE w.r.t. $\eta$ is concave, but negat 阅读全文
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Locally Weighted Regression None parametric learning algorithm. Need to keep training data in the memory. Formally fit $\theta$ to minimize $$ \sum_{i 阅读全文
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cs229 Generative Model & Discriminative Model Defination learns P(x|y) : x is feature and y is the class Bayes rule $$ P(y|x)=\frac{P(x|y)P(y)}{P(x)} 阅读全文
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T5 and Large Language Model T5 Text-to-Text Transfer Transformer. see all NLP questions as A TEXT-TO-TEXT TASK universal format: task description + se 阅读全文
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共指消解——Coreference Resolution Coreference Resolution Coreference Resolution: find all the words that refer to the same entity in the world. antecedent 阅读全文
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Add Knowledge to Language Model Add pre-trained entity embeddings entity linking: map the word occurred in text to the entity in knowledge database. i 阅读全文