This book constitutes the refereed proceedings of the 15th Information Retrieval Technology Conference, AIRS 2019, held in Hong Kong, China, in November 2019.Th

This book is an essential reference to cutting-edge issues and future directions in information retrieval Information retrieval (IR) can be defined as the proce

To sustain and stay at the top of the market and give absolute comfort to the consumers, industries are using different strategies and technologies. Natural lan

The wealth of information accessible on the Internet has grown exponentially since its advent. This mass of content must be systemically sifted to glean pertine