Inhalt: Artificial intelligence (AI) can have deeply embedded bias. It's the job of data scientists and developers to ensure their algorithms are fair, transparent, and explainable. This responsibility is critically important when building models that may determine policy-or shape the course of people's lives. In this course, award-winning software engineer Kesha Williams explains how to debias AI with Amazon SageMaker. She shows how to use SageMaker to create a predictive-policing machine-learning model that integrates Rekognition and AWS DeepLens, creating a crime-fighting model that can "see" what's happening in a live scene. By following the development process, you can learn what goes into making a model that doesn't suffer from cultural prejudices. Kesha also discusses how to remove bias in training data, test a model for fairness, and build trust in AI by making models that are explainable. Umfang: 01:42:27.00
Inhalt: RESTful and SOAP-based web services are an important part of working with Java EE. They enable Java applications to securely and efficiently transfer data across the web, using standard internet protocols. This course teaches you how to build web services with two Java APIs: JAX-WS, for SOAP-based services, and JAX-RS, for RESTful services. Follow along with instructor Kesha Williams, as she builds web services to create, update, delete, and query data from the sample project: a bug tracking database that logs tickets for users of many different applications. Along the way, she explains how to implement top-level searching, handle errors, and test your web services for defects. You can also learn how to leverage the latest features in Java EE 7, such as the JAX-RS Client API for accessing REST resources. Umfang: 01:41:35.00
Inhalt: The Java Persistence API (JPA) is the standard for mapping Java objects to relational databases. JPA provides several advantages over traditional data access methods like Java Database Connectivity (JDBC). In this practical course, Kesha Williams discusses these advantages and acquaints you with the basics of JPA, entity management, transaction management, and relationship mapping. Upon completing this course, you'll be equipped with a firm understanding of JPA and persisting data in Java enterprise applications. Umfang: 01:31:01.00
Inhalt: The Java Persistence API (JPA) is the standard for mapping Java objects to relational databases. In this second course of the JPA series, Kesha Williams discusses inheritance mapping strategies, Java Persistence Query Language (JPQL), the Criteria API, and persistence providers. She explains how inheritance functions when working with mappings, classes, superclasses, and tables. She demonstrates how to create queries, use native queries, and query using streams. Then, she shows how to create query relationships using joins. Additionally, Kesha compares persistence provider options, and shows how to switch between providers. Umfang: 01:48:42.00
Inhalt: Web services have been at the core of modern application architectures for many years. Regardless of what language or platform a developer is using, grasping how web services work and how to implement them are critical skills. In this course, instructor Kesha Williams steps through how to work with several popular technologies to build web services. Kesha begins by laying the groundwork for the course, explaining what web services are and the benefits they provide. She then offers a comparison of several popular web service technologies-REST, SOAP, and GraphQL-describing each technology's messaging formats in detail, along with examples of coding in several languages using a variety of server- and client-based implementations. Plus, get coding excerpts in Java, Python, and Swift. Umfang: 01:14:28.00
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