import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class DataBuilder { public static Map getSentencesAndCategories() { List sentences = new ArrayList<>(); List categories = new ArrayList<>(); // Topic: NLP sentences.add("RAG stands for Retrieval-Augmented Generation."); sentences.add("Retrieval is a crucial aspect of modern NLP systems."); sentences.add("Generating text with correct facts is challenging."); sentences.add("Large language models can generate coherent text."); sentences.add("GPT models have billions of parameters."); sentences.add("Natural Language Processing enables computers to understand human language."); sentences.add("Word embeddings capture semantic relationships between words."); sentences.add("Transformer architectures revolutionized NLP research."); for (int i = 0; i < 8; i++) categories.add("NLP"); // Topic: Machine Learning sentences.add("Machine learning benefits from large datasets."); sentences.add("Supervised learning requires labeled data."); sentences.add("Reinforcement learning is inspired by behavioral psychology."); sentences.add("Neural networks can learn complex functions."); sentences.add("Overfitting is a common problem in ML."); sentences.add("Unsupervised learning uncovers hidden patterns in data."); sentences.add("Feature engineering is critical for model performance."); sentences.add("Cross-validation helps in assessing model generalization."); for (int i = 0; i < 8; i++) categories.add("ML"); // Topic: Food sentences.add("Bananas are commonly used in smoothies."); sentences.add("Oranges are rich in vitamin C."); sentences.add("Pizza is a popular Italian dish."); sentences.add("Cooking pasta requires boiling water."); sentences.add("Chocolate can be sweet or bitter."); sentences.add("Fresh salads are a healthy and refreshing meal."); sentences.add("Sushi combines rice, fish, and seaweed in a delicate balance."); sentences.add("Spices can transform simple ingredients into gourmet dishes."); for (int i = 0; i < 8; i++) categories.add("Food"); // Topic: Weather sentences.add("It often rains in the Amazon rainforest."); sentences.add("Summers can be very hot in the desert."); sentences.add("Hurricanes form over warm ocean waters."); sentences.add("Snowstorms can disrupt transportation."); sentences.add("A sunny day can lift people's mood."); sentences.add("Foggy mornings are common in coastal regions."); sentences.add("Winter brings frosty nights and chilly winds."); sentences.add("Thunderstorms can produce lightning and heavy rain."); for (int i = 0; i < 8; i++) categories.add("Weather"); Map data = new HashMap<>(); data.put("sentences", sentences); data.put("categories", categories); return data; } public static Map getColorAndShapeMaps() { Map colorMap = new HashMap<>(); colorMap.put("NLP", "red"); colorMap.put("ML", "blue"); colorMap.put("Food", "green"); colorMap.put("Weather", "purple"); Map shapeMap = new HashMap<>(); shapeMap.put("NLP", "o"); shapeMap.put("ML", "s"); shapeMap.put("Food", "^"); shapeMap.put("Weather", "X"); Map maps = new HashMap<>(); maps.putAll(colorMap); maps.putAll(shapeMap); return maps; } }