With the Yahoo Query Language (YQL), you can easily query web services, filter the results, and join data from several services into your application. This book demonstrates every aspect of YQL usage, from setting up queries to adding new services. You'll learn how to access information through the YQL Console, a clear and consistent interface that works across many web services. It's an ideal guide for programmers seeking data either for mashups or for populating their site. Learn how to gain easier access to web services information from a wide variety of applications Reduce maintenance costs substantially by building applications with YQL Integrate YQL with a variety of projects at different scales Use several specialized query tools, including one for geolocation