As recently as the 1990s, studies showed that most people preferred getting information
from other people rather than from information retrieval systems. Of course, in that time …

Information retrieval (IR) has changed considerably in recent years with the expansion of the
World Wide Web and the advent of modern and inexpensive graphical user interfaces and …

In recent years, XML has been established as a major means for information management,
and has been broadly utilized for complex data representation (eg multimedia objects) …

The Web is causing a revolution in how we represent, retrieve, and process information Its
growth has given us a universally accessible database-but in the form of a largely …

This paper describes a simple way of adapting the BM25 ranking formula to deal with
structured documents. In the past it has been common to compute scores for the individual …

Introduction to Information Retrieval is the first textbook with a coherent treatment of classical
and web information retrieval, including web search and the related areas of text …

Since the last two decades, XML has gained momentum as the standard for web information
management and complex data representation. Also, collaboratively built semi-structured …

Publisher Summary This chapter describes XSEarch, a semantic search engine for XML.
XSEarch has a simple query language, suitable for a naive user. It returns semantically …

Keyword search enables web users to easily access XML data without the need to learn a
structured query language and to study possibly complex data schemas. Existing work has …

Database researchers have striven to improve the capability of a database in terms of both
performance and functionality. We assert that the usability of a database is as important as …