CS224N W3. RNN, Bi-RNN, GRU, and LTSM in dependency parsing
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1. Language Model
Language Modeling is the task of predicting what word comes next.
the students opened their [——] → books? laptops? exams? minds?
A system that does this is called a Language Model. More formally: given a sequence of words $x^{(1)}, x^{(2)},...
CS224N W2. Neural Network and What is the Dependency Parsing
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1. Named Entity Recognition(NER)
Task: Find and Classify names in text
Example
Reference. Stanford CS224n, 2021
Usages
Tracking mentions of particular entities in documents
For question answerin...
Mathmatic for Stochastic Gradient Descent in Neural networks
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1. Update equation
\[\theta^{new} = \theta^{old}-\alpha\nabla_{\theta}J(\theta),\ \alpha=step\ size\ or\ learning\ rate\]
For each parameter,
\[\theta^{new} = \theta^{old}-\alpha\dfrac{\partial J(\theta)}{\partial\theta_j^{old}}\]
2. Backpropagation algorit...
The Concept of Neural Network and Technique
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1. Neuron
A neuron is a generic computational unit that takes n inputs and produces a single output. What differentiates the outputs of different neurons is their parameters (also referred to as their weights). One of the most popular choices for neurons is the...
Dependency Parsing
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Intro
Why do we need sentence structure?
Humans communicate complex ideas by composing words together into bigger units to convey complex meanings
Listeners need to work out what modifies [attaches to] what
A model needs to understand sentence structur...
CS224N W1. Basic concept and Framework in Nature Lanugage Process
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1. One Hot Vector
Vector
\[\mathbb{R}^{|V| \times 1}\]
Example
\[w^{aardvar} = \begin{bmatrix}
1\\
0\\
0\\
\vdots\\
0
\end{bmatrix},
...
Olive Pro and Olive Max, Earbuds for hearing aid
In Olive Union, who designed, manufactured, and serviced the application for a hearing aid, I contributed to Olive Pro and Olive Max as a digital signal processing engineer in embedded systems.
The product, Olive Pro
In the hearing aid open-source platform, the clarity challenge is continuing to research for enhancing s...
Delay Locked Loop for PHY interface between DRAM and CPU
When designing the interface circuit between Memory and CPU, this circuit needs another block related to a different clock. Since not only two components but also every hardware had its clock rate, this independent circuit shoud need a synchronization when writing the data. For this reason, I started to design this circuit named Delay Locked Loo...
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