Information retrieval (IR) is a complex human activity supported by sophisticated systems. Information science has contributed much to the design and evaluation

Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and

Provides an overview and instruction on the evaluation of interactive information retrieval systems with users.

This unique book presents authoritative overviews of more than 70 conceptual frameworks for understanding how people seek, manage, share, and use information in

Presents a direction for research into cognitive oriented Information Retrieval (IR) research. This title describes concepts and models of cognitive IR that exp