The problem of answering queries using views is to find efficient methods of answering a
query using a set of previously defined materialized views over the database, rather than …

As graph databases become widespread, the International Organization for Standardization
(ISO) and International Electrotechnical Commission (IEC) have approved a project to create …

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 …

The first edition of this book appeared in 1991 when the technology was new and there were
not too many products. In the Preface to the first edition, we had quoted Michael Stonebraker …

Abstract GQL (Graph Query Language) is being developed as a new ISO standard for graph
query languages to play the same role for graph databases as SQL plays for relational. In …

With the huge amount of information available online, the World Wide Web is a fertile area
for data mining research. The Web mining research is at the cross road of research from …

The popularity of the World-Wide Web (WWW) has made it a prime vehicle for disseminating
information. The relevance of database concepts to the problems of managing and querying …

Systems for managing and querying semistructured-data sources often store data in
proprietary object repositories or in a tagged-text format. We describe a technique that can …

An important application of XML is the interchange of electronic data (EDI) between multiple
data sources on the Web. As XML data proliferates on the Web, applications will need to …

Many applications work with graph-structured data. As graphs grow in size, indexing
becomes essential to ensure sufficient query performance. We present the GRIPP index …