DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
The information on the World Wide Web is growing without bound. Users may have very diversified preferences in the pages they target through a search engine. It is therefore a chal...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Abstract. Certain types of database-backed web sites heavily utilize userdefined functions in SQL queries. Unfortunately, existing web proxy caching schemes can not handle these fu...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
XML is becoming the standard data exchange format. View transformation of XML data is important and frequent operation in XML data integration and publishing. In schema-based view ...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Processing spatial joins efficiently is crucial to rendering the spatial data analysis process feasible. As pointed out in many works, the exact intersection test of two spatial ob...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...