Transformer based neural network - Before the introduction of the Transformer model, the use of attention for neural machine translation was implemented by RNN-based encoder-decoder architectures. The Transformer model revolutionized the implementation of attention by dispensing with recurrence and convolutions and, alternatively, relying solely on a self-attention mechanism. We will first focus on the Transformer attention ...

 
Apr 3, 2020 · In this paper, a novel Transformer-based neural network (TBNN) model is proposed to deal with the processed sensor signals for tool wear estimation. It is observed from figure 3 that the proposed model is mainly composed of two parts, which are (1) encoder, and (2) decoder. Firstly, the raw multi-sensor data is processed by temporal feature ... . Cos 60

Feb 26, 2023 · Atom-bond transformer-based message-passing neural network Model architecture. The architecture of the proposed atom-bond Transformer-based message-passing neural network (ABT-MPNN) is shown in Fig. 1. As previously defined, the MPNN framework consists of a message-passing phase and a readout phase to aggregate local features to a global ... Aug 16, 2021 · This mechanism has replaced the convolutional neural network used in the case of AlphaFold 1. DALL.E & CLIP. In January this year, OpenAI released a Transformer based text-to-image engine called DALL.E, which is essentially a visual idea generator. With the text prompt as an input, it generates images to match the prompt. The first encoder-decoder models for translation were RNN-based, and introduced almost simultaneously in 2014 by Learning Phrase Representations using RNN Encoder–Decoder for Statistical Machine Translation and Sequence to Sequence Learning with Neural Networks. The encoder-decoder framework in general refers to a situation in which one ...In this paper, we propose a transformer-based architecture, called two-stage transformer neural network (TSTNN) for end-to-end speech denoising in the time domain. The proposed model is composed of an encoder, a two-stage transformer module (TSTM), a masking module and a decoder. The encoder maps input noisy speech into feature representation. The TSTM exploits four stacked two-stage ... Once I began getting better at this Deep Learning thing, I stumbled upon the all-glorious transformer. The original paper: “Attention is all you need”, proposed an innovative way to construct neural networks. No more convolutions! The paper proposes an encoder-decoder neural network made up of repeated encoder and decoder blocks.Recently, Transformer-based models demonstrated state-of-the-art results on neural machine translation tasks 34,35. We adopt Transformer to generate molecules. We adopt Transformer to generate ...with neural network models such as CNNs and RNNs. Up to date, no work introduces the Transformer to the task of stock movements prediction except us, and our model proves the Transformer improve the performance in the task of the stock movements prediction. The capsule network is also first introduced to solve thea neural prediction framework based on the Transformer structure to model the relationship among the interacting agents and extract the attention of the target agent on the map waypoints. Specifically, we organize the interacting agents into a graph and utilize the multi-head attention Transformer encoder to extract the relations between them ...Transformers have achieved superior performances in many tasks in natural language processing and computer vision, which also triggered great interest in the time series community. Among multiple advantages of Transformers, the ability to capture long-range dependencies and interactions is especially attractive for time series modeling, leading to exciting progress in various time series ...This paper proposes a novel Transformer based deep neural network, ECG DETR, that performs arrhythmia detection on single-lead continuous ECG segments. By utilizing inter-heartbeat dependencies, our proposed scheme achieves competitive heartbeat positioning and classification performance compared with the existing works.Transformers are a type of neural network architecture that have been gaining popularity. Transformers were recently used by OpenAI in their language models, and also used recently by DeepMind for AlphaStar — their program to defeat a top professional Starcraft player.Transformers. Transformers are a type of neural network architecture that have several properties that make them effective for modeling data with long-range dependencies. They generally feature a combination of multi-headed attention mechanisms, residual connections, layer normalization, feedforward connections, and positional embeddings. A Text-to-Speech Transformer in TensorFlow 2. Implementation of a non-autoregressive Transformer based neural network for Text-to-Speech (TTS). This repo is based, among others, on the following papers: Neural Speech Synthesis with Transformer Network; FastSpeech: Fast, Robust and Controllable Text to SpeechIn recent years, the transformer model has become one of the main highlights of advances in deep learning and deep neural networks. It is mainly used for advanced applications in natural language processing. Google is using it to enhance its search engine results. OpenAI has used transformers to create its famous GPT-2 and GPT-3 models.This paper proposes a novel Transformer based deep neural network, ECG DETR, that performs arrhythmia detection on single-lead continuous ECG segments. By utilizing inter-heartbeat dependencies, our proposed scheme achieves competitive heartbeat positioning and classification performance compared with the existing works.May 1, 2022 · This paper proposes a novel Transformer based deep neural network, ECG DETR, that performs arrhythmia detection on single-lead continuous ECG segments. By utilizing inter-heartbeat dependencies, our proposed scheme achieves competitive heartbeat positioning and classification performance compared with the existing works. A Transformer-based Neural Network is an sequence-to-* neural network composed of transformer blocks. Context: It can (often) reference a Transformer Model Architecture. It can (often) be trained by a Transformer-based Neural Network Training System (that solve transformer-based neural network training tasks).Context-Integrated Transformer-based neural Network architecture as the parameterized mechanism to be optimized. CITransNet incorporates the bidding pro le along with the bidder-contexts and item-contexts to develop an auction mechanism. It is built upon the transformer architectureVaswani et al.[2017], which can capture the complex mutual in Transformers are a type of neural network architecture that have been gaining popularity. Transformers were recently used by OpenAI in their language models, and also used recently by DeepMind for AlphaStar — their program to defeat a top professional Starcraft player.ing [8] have been widely used for deep neural networks in the computer vision field. It has also been used to accelerate Transformer-based DNNs due to the enormous parameters or model size of the Transformer. With weight pruning, the size of the Transformer can be significantly reduced without much prediction accuracy degradation [9 ... This paper proposes a novel Transformer based deep neural network, ECG DETR, that performs arrhythmia detection on single-lead continuous ECG segments. By utilizing inter-heartbeat dependencies, our proposed scheme achieves competitive heartbeat positioning and classification performance compared with the existing works.vision and achieved brilliant results [11]. So far, Transformer based models become very powerful in many fields with wide applicability, and are more in-terpretable compared with other neural networks[38]. Transformer has excellent feature extraction ability, and the extracted features have better performance on downstream tasks.Feb 26, 2023 · Atom-bond transformer-based message-passing neural network Model architecture. The architecture of the proposed atom-bond Transformer-based message-passing neural network (ABT-MPNN) is shown in Fig. 1. As previously defined, the MPNN framework consists of a message-passing phase and a readout phase to aggregate local features to a global ... Ravi et al. (2019) analyze the application of artificial neural networks, support vector machines, decision trees and plain Bayes in transformer fault diagnosis from the literature spanning 10 years. The authors point out that the development of new algorithms is necessary to improve diagnostic accuracy.Atom-bond transformer-based message-passing neural network Model architecture. The architecture of the proposed atom-bond Transformer-based message-passing neural network (ABT-MPNN) is shown in Fig. 1. As previously defined, the MPNN framework consists of a message-passing phase and a readout phase to aggregate local features to a global ...A Transformer is a type of neural network architecture. To recap, neural nets are a very effective type of model for analyzing complex data types like images, videos, audio, and text. But there are different types of neural networks optimized for different types of data. For example, for analyzing images, we’ll typically use convolutional ...Jan 6, 2023 · Before the introduction of the Transformer model, the use of attention for neural machine translation was implemented by RNN-based encoder-decoder architectures. The Transformer model revolutionized the implementation of attention by dispensing with recurrence and convolutions and, alternatively, relying solely on a self-attention mechanism. We will first focus on the Transformer attention ... A transformer is a deep learning architecture that relies on the parallel multi-head attention mechanism. [1] The modern transformer was proposed in the 2017 paper titled 'Attention Is All You Need' by Ashish Vaswani et al., Google Brain team.To fully use the bilingual associative knowledge learned from the bilingual parallel corpus through the Transformer model, we propose a Transformer-based unified neural network for quality estimation (TUNQE) model, which is a combination of the bottleneck layer of the Transformer model with a bidirectional long short-term memory network (Bi ...May 6, 2021 · A Transformer is a type of neural network architecture. To recap, neural nets are a very effective type of model for analyzing complex data types like images, videos, audio, and text. But there are different types of neural networks optimized for different types of data. For example, for analyzing images, we’ll typically use convolutional ... Oct 11, 2022 · With the development of self-attention, the RNN cells can be discarded entirely. Bundles of self-attention called multi-head attention along with feed-forward neural networks form the transformer, building state-of-the-art NLP models such as GPT-3, BERT, and many more to tackle many NLP tasks with excellent performance. Q is a matrix that contains the query (vector representation of one word in the sequence), K are all the keys (vector representations of all the words in the sequence) and V are the values, which ...To fully use the bilingual associative knowledge learned from the bilingual parallel corpus through the Transformer model, we propose a Transformer-based unified neural network for quality estimation (TUNQE) model, which is a combination of the bottleneck layer of the Transformer model with a bidirectional long short-term memory network (Bi ...In modern capital market the price of a stock is often considered to be highly volatile and unpredictable because of various social, financial, political and other dynamic factors. With calculated and thoughtful investment, stock market can ensure a handsome profit with minimal capital investment, while incorrect prediction can easily bring catastrophic financial loss to the investors. This ...Pre-process the data. Initialize the HuggingFace tokenizer and model. Encode input data to get input IDs and attention masks. Build the full model architecture (integrating the HuggingFace model) Setup optimizer, metrics, and loss. Training. We will cover each of these steps — but focusing primarily on steps 2–4. 1.In this paper, we propose a transformer-based architecture, called two-stage transformer neural network (TSTNN) for end-to-end speech denoising in the time domain. The proposed model is composed of an encoder, a two-stage transformer module (TSTM), a masking module and a decoder. The encoder maps input noisy speech into feature representation. The TSTM exploits four stacked two-stage ... ing [8] have been widely used for deep neural networks in the computer vision field. It has also been used to accelerate Transformer-based DNNs due to the enormous parameters or model size of the Transformer. With weight pruning, the size of the Transformer can be significantly reduced without much prediction accuracy degradation [9 ... Mar 4, 2021 · 1. Background. Lets start with the two keywords, Transformers and Graphs, for a background. Transformers. Transformers [1] based neural networks are the most successful architectures for representation learning in Natural Language Processing (NLP) overcoming the bottlenecks of Recurrent Neural Networks (RNNs) caused by the sequential processing. Predicting the behaviors of other agents on the road is critical for autonomous driving to ensure safety and efficiency. However, the challenging part is how to represent the social interactions between agents and output different possible trajectories with interpretability. In this paper, we introduce a neural prediction framework based on the Transformer structure to model the relationship ...Feb 19, 2021 · The results demonstrate that transformer-based models outperform the neural network-based solutions, which led to an increase in the F1 score from 0.83 (best neural network-based model, GRU) to 0.95 (best transformer-based model, QARiB), and it boosted the accuracy by 16% compared to the best in neural network-based solutions. In this paper, we propose a transformer-based architecture, called two-stage transformer neural network (TSTNN) for end-to-end speech denoising in the time domain. The proposed model is composed of an encoder, a two-stage transformer module (TSTM), a masking module and a decoder. The encoder maps input noisy speech into feature representation. The TSTM exploits four stacked two-stage ...a neural prediction framework based on the Transformer structure to model the relationship among the interacting agents and extract the attention of the target agent on the map waypoints. Specifically, we organize the interacting agents into a graph and utilize the multi-head attention Transformer encoder to extract the relations between them ... In this study, we propose a novel neural network model (DCoT) with depthwise convolution and Transformer encoders for EEG-based emotion recognition by exploring the dependence of emotion recognition on each EEG channel and visualizing the captured features. Then we conduct subject-dependent and subject-independent experiments on a benchmark ...We present an attention-based neural network module, the Set Transformer, specifically designed to model interactions among elements in the input set. The model consists of an encoder and a decoder, both of which rely on attention mechanisms. In an effort to reduce computational complexity, we introduce an attention scheme inspired by inducing ...Nov 20, 2020 · Pre-process the data. Initialize the HuggingFace tokenizer and model. Encode input data to get input IDs and attention masks. Build the full model architecture (integrating the HuggingFace model) Setup optimizer, metrics, and loss. Training. We will cover each of these steps — but focusing primarily on steps 2–4. 1. With the development of self-attention, the RNN cells can be discarded entirely. Bundles of self-attention called multi-head attention along with feed-forward neural networks form the transformer, building state-of-the-art NLP models such as GPT-3, BERT, and many more to tackle many NLP tasks with excellent performance.We present an attention-based neural network module, the Set Transformer, specifically designed to model interactions among elements in the input set. The model consists of an encoder and a decoder, both of which rely on attention mechanisms. In an effort to reduce computational complexity, we introduce an attention scheme inspired by inducing ...Pre-process the data. Initialize the HuggingFace tokenizer and model. Encode input data to get input IDs and attention masks. Build the full model architecture (integrating the HuggingFace model) Setup optimizer, metrics, and loss. Training. We will cover each of these steps — but focusing primarily on steps 2–4. 1.Mar 2, 2022 · TSTNN. This is an official PyTorch implementation of paper "TSTNN: Two-Stage Transformer based Neural Network for Speech Enhancement in Time Domain", which has been accepted by ICASSP 2021. More details will be showed soon! Mar 18, 2020 · We present SMILES-embeddings derived from the internal encoder state of a Transformer [1] model trained to canonize SMILES as a Seq2Seq problem. Using a CharNN [2] architecture upon the embeddings results in higher quality interpretable QSAR/QSPR models on diverse benchmark datasets including regression and classification tasks. The proposed Transformer-CNN method uses SMILES augmentation for ... Jun 28, 2022 · The transformer neural network is a novel architecture that aims to solve sequence-to-sequence tasks while handling long-range dependencies with ease. It was first proposed in the paper “Attention Is All You Need.” and is now a state-of-the-art technique in the field of NLP. State-of-the-art Machine Learning for PyTorch, TensorFlow, and JAX. 🤗 Transformers provides APIs and tools to easily download and train state-of-the-art pretrained models. Using pretrained models can reduce your compute costs, carbon footprint, and save you the time and resources required to train a model from scratch. May 1, 2022 · This paper proposes a novel Transformer based deep neural network, ECG DETR, that performs arrhythmia detection on single-lead continuous ECG segments. By utilizing inter-heartbeat dependencies, our proposed scheme achieves competitive heartbeat positioning and classification performance compared with the existing works. vision and achieved brilliant results [11]. So far, Transformer based models become very powerful in many fields with wide applicability, and are more in-terpretable compared with other neural networks[38]. Transformer has excellent feature extraction ability, and the extracted features have better performance on downstream tasks.Oct 1, 2022 · In this study, we propose a novel neural network model (DCoT) with depthwise convolution and Transformer encoders for EEG-based emotion recognition by exploring the dependence of emotion recognition on each EEG channel and visualizing the captured features. Then we conduct subject-dependent and subject-independent experiments on a benchmark ... Jul 8, 2021 · Once I began getting better at this Deep Learning thing, I stumbled upon the all-glorious transformer. The original paper: “Attention is all you need”, proposed an innovative way to construct neural networks. No more convolutions! The paper proposes an encoder-decoder neural network made up of repeated encoder and decoder blocks. Considering the convolution-based neural networks’ lack of utilization of global information, we choose a transformer to devise a Siamese network for change detection. We also use a transformer to design a pyramid pooling module to help the network maintain more features.In this paper, a novel Transformer-based neural network (TBNN) model is proposed to deal with the processed sensor signals for tool wear estimation. It is observed from figure 3 that the proposed model is mainly composed of two parts, which are (1) encoder, and (2) decoder. Firstly, the raw multi-sensor data is processed by temporal feature ...Feb 21, 2019 · The recent Transformer neural network is considered to be good at extracting the global information by employing only self-attention mechanism. Thus, in this paper, we design a Transformer-based neural network for answer selection, where we deploy a bidirectional long short-term memory (BiLSTM) behind the Transformer to acquire both global ... Feb 21, 2019 · The recent Transformer neural network is considered to be good at extracting the global information by employing only self-attention mechanism. Thus, in this paper, we design a Transformer-based neural network for answer selection, where we deploy a bidirectional long short-term memory (BiLSTM) behind the Transformer to acquire both global ... Oct 1, 2022 · In this study, we propose a novel neural network model (DCoT) with depthwise convolution and Transformer encoders for EEG-based emotion recognition by exploring the dependence of emotion recognition on each EEG channel and visualizing the captured features. Then we conduct subject-dependent and subject-independent experiments on a benchmark ... 1. What is the Transformer model? 2. Transformer model: general architecture 2.1. The Transformer encoder 2.2. The Transformer decoder 3. What is the Transformer neural network? 3.1. Transformer neural network design 3.2. Feed-forward network 4. Functioning in brief 4.1. Multi-head attention 4.2. Masked multi-head attention 4.3. Residual connectionJan 18, 2023 · Considering the convolution-based neural networks’ lack of utilization of global information, we choose a transformer to devise a Siamese network for change detection. We also use a transformer to design a pyramid pooling module to help the network maintain more features. Since there is no reconstruction of the EEG data format, the temporal and spatial properties of the EEG data cannot be extracted efficiently. To address the aforementioned issues, this research proposes a multi-channel EEG emotion identification model based on the parallel transformer and three-dimensional convolutional neural networks (3D-CNN).The Transformer neural network differs from recurrent neural networks that are based on a sequential structure inherently containing the location information of subsequences. Although the AM can easily solve the problem of long-range feature capture of time series, the sequence position information is lost during parallel computation.Nov 10, 2018 · This characteristic allows the model to learn the context of a word based on all of its surroundings (left and right of the word). The chart below is a high-level description of the Transformer encoder. The input is a sequence of tokens, which are first embedded into vectors and then processed in the neural network. Jan 6, 2023 · The number of sequential operations required by a recurrent layer is based on the sequence length, whereas this number remains constant for a self-attention layer. In convolutional neural networks, the kernel width directly affects the long-term dependencies that can be established between pairs of input and output positions. Remaining Useful Life (RUL) estimation is a fundamental task in the prognostic and health management (PHM) of industrial equipment and systems. To this end, we propose a novel approach for RUL estimation in this paper, based on deep neural architecture due to its great success in sequence learning. Specifically, we take the Transformer encoder as the backbone of our model to capture short- and ...Jul 6, 2020 · A Transformer is a neural network architecture that uses a self-attention mechanism, allowing the model to focus on the relevant parts of the time-series to improve prediction qualities. The self-attention mechanism consists of a Single-Head Attention and Multi-Head Attention layer. Transformer Neural Networks Described Transformers are a type of machine learning model that specializes in processing and interpreting sequential data, making them optimal for natural language processing tasks. To better understand what a machine learning transformer is, and how they operate, let’s take a closer look at transformer models and the mechanisms that drive them. This […]Transformer networks have outperformed recurrent and convolutional neural networks in terms of accuracy in various sequential tasks. However, memory and compute bottlenecks prevent transformer networks from scaling to long sequences due to their high execution time and energy consumption. Different neural attention mechanisms have been proposed to lower computational load but still suffer from ...Jun 7, 2021 · A Text-to-Speech Transformer in TensorFlow 2. Implementation of a non-autoregressive Transformer based neural network for Text-to-Speech (TTS). This repo is based, among others, on the following papers: Neural Speech Synthesis with Transformer Network; FastSpeech: Fast, Robust and Controllable Text to Speech 1. What is the Transformer model? 2. Transformer model: general architecture 2.1. The Transformer encoder 2.2. The Transformer decoder 3. What is the Transformer neural network? 3.1. Transformer neural network design 3.2. Feed-forward network 4. Functioning in brief 4.1. Multi-head attention 4.2. Masked multi-head attention 4.3. Residual connection The architecture of the proposed atom-bond Transformer-based message-passing neural network (ABT-MPNN) is shown in Fig. 1. As previously defined, the MPNN framework consists of a message-passing phase and a readout phase to aggregate local features to a global representation for each molecule.Recently, there has been a surge of Transformer-based solutions for the long-term time series forecasting (LTSF) task. Despite the growing performance over the past few years, we question the validity of this line of research in this work. Specifically, Transformers is arguably the most successful solution to extract the semantic correlations among the elements in a long sequence. However, in ...We highlight a relatively new group of neural networks known as Transformers (Vaswani et al., 2017) and explain why these models are suitable for construct-specific AIG and subsequently propose a method for fine-tuning such models to this task. Finally, we provide evidence for the validity of this method by comparing human- and machine-authored ...Jul 6, 2020 · A Transformer is a neural network architecture that uses a self-attention mechanism, allowing the model to focus on the relevant parts of the time-series to improve prediction qualities. The self-attention mechanism consists of a Single-Head Attention and Multi-Head Attention layer. Jun 25, 2021 · Build the model. Our model processes a tensor of shape (batch size, sequence length, features) , where sequence length is the number of time steps and features is each input timeseries. You can replace your classification RNN layers with this one: the inputs are fully compatible! We include residual connections, layer normalization, and dropout. convolutional neural networks that include an encoder and a decoder. The best performing models also connect the encoder and decoder through an attention mechanism. We propose a new simple network architecture, the Transformer, based solely on attention mechanisms, dispensing with recurrence and convolutions entirely.We present SMILES-embeddings derived from the internal encoder state of a Transformer [1] model trained to canonize SMILES as a Seq2Seq problem. Using a CharNN [2] architecture upon the embeddings results in higher quality interpretable QSAR/QSPR models on diverse benchmark datasets including regression and classification tasks. The proposed Transformer-CNN method uses SMILES augmentation for ...Attention (machine learning) Machine learning -based attention is a mechanism mimicking cognitive attention. It calculates "soft" weights for each word, more precisely for its embedding, in the context window. It can do it either in parallel (such as in transformers) or sequentially (such as recursive neural networks ).

1. Background. Lets start with the two keywords, Transformers and Graphs, for a background. Transformers. Transformers [1] based neural networks are the most successful architectures for representation learning in Natural Language Processing (NLP) overcoming the bottlenecks of Recurrent Neural Networks (RNNs) caused by the sequential processing.. Log4j vulnerability

transformer based neural network

Since there is no reconstruction of the EEG data format, the temporal and spatial properties of the EEG data cannot be extracted efficiently. To address the aforementioned issues, this research proposes a multi-channel EEG emotion identification model based on the parallel transformer and three-dimensional convolutional neural networks (3D-CNN).1. What is the Transformer model? 2. Transformer model: general architecture 2.1. The Transformer encoder 2.2. The Transformer decoder 3. What is the Transformer neural network? 3.1. Transformer neural network design 3.2. Feed-forward network 4. Functioning in brief 4.1. Multi-head attention 4.2. Masked multi-head attention 4.3. Residual connectionRemaining Useful Life (RUL) estimation is a fundamental task in the prognostic and health management (PHM) of industrial equipment and systems. To this end, we propose a novel approach for RUL estimation in this paper, based on deep neural architecture due to its great success in sequence learning. Specifically, we take the Transformer encoder as the backbone of our model to capture short- and ...Feb 10, 2020 · We present an attention-based neural network module, the Set Transformer, specifically designed to model interactions among elements in the input set. The model consists of an encoder and a decoder, both of which rely on attention mechanisms. In an effort to reduce computational complexity, we introduce an attention scheme inspired by inducing ... A Transformer-based Neural Network is an sequence-to-* neural network composed of transformer blocks. Context: It can (often) reference a Transformer Model Architecture. It can (often) be trained by a Transformer-based Neural Network Training System (that solve transformer-based neural network training tasks).This characteristic allows the model to learn the context of a word based on all of its surroundings (left and right of the word). The chart below is a high-level description of the Transformer encoder. The input is a sequence of tokens, which are first embedded into vectors and then processed in the neural network.Then a transformer will have access to each element with O(1) sequential operations where a recurrent neural network will need at most O(n) sequential operations to access an element. Very long sequences gives you problem with exploding and vanishing gradients because of the chain rule in backprop.Transformer networks have outperformed recurrent and convolutional neural networks in terms of accuracy in various sequential tasks. However, memory and compute bottlenecks prevent transformer networks from scaling to long sequences due to their high execution time and energy consumption. Different neural attention mechanisms have been proposed to lower computational load but still suffer from ...Attention (machine learning) Machine learning -based attention is a mechanism mimicking cognitive attention. It calculates "soft" weights for each word, more precisely for its embedding, in the context window. It can do it either in parallel (such as in transformers) or sequentially (such as recursive neural networks ).In this work, an end-to-end deep learning framework based on convolutional neural network (CNN) is proposed for ECG signal processing and arrhythmia classification. In the framework, a transformer network is embedded in CNN to capture the temporal information of ECG signals and a new link constraint is introduced to the loss function to enhance ...We have made the following contributions to this paper: (i) A transformer neural network-based deep learning model (ECG-ViT) to solve the ECG classification problem (ii) Cascade distillation approach to reduce the complexity of the ECG-ViT classifier (iii) Testing and validating of the ECG-ViT model on FPGA. 2..

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