Introduction -- User interfaces for search / by Marti Hearst -- Modeling -- Retrieval evaluation -- Relevance feedback and query expansion -- Documents : languages & properties / with Gonzalo Navarro and Nivio Ziviani -- Queries : languages & properties / with Gonzalo Navarro -- Text classification / with Marcos Gonçalves -- Indexing and searching / with Gonzalo Navarro -- Parallel and distributed IR / with Eric Brown -- Web retrieval / with Yoelle Maarek -- Web crawling / with Carlos Castillo -- Structured text retrieval / with Mounia Lalmas -- Multimedia information retrieval / by Dulce Ponceleón and Malcolm Slaney -- Enterprise search / by David Hawking -- Library systems / by Edie Rasmussen -- Digital libraries / by Marcos Gonçalves -- Open source search engines / with Christian Middleton.