ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Clustering of large data bases is an important research area with a large variety of applications in the data base context. Missing in most of the research efforts are means for g...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
XML data integration tools are facing a variety of challenges for their efficient and effective operation. Among these is the requirement to handle a variety of inconsistencies or...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
An organization's data records are often noisy because of transcription errors, incomplete information, lack of standard formats for textual data or combinations thereof. A f...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Contemporary XPath query engines evaluate queries in time exponential in the sizes of input queries, a fact that has gone unnoticed for a long time. Recently, the first main
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
We present a technique for refining the design of relational storage for XML data based on XML key propagation. Three algorithms are presented: one checks whether a given function...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
There has been interest recently in skyline queries, also called Pareto queries, on relational databases. Relational query languages do not support search for "best" tupl...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Modern distributed information systems cope with disconnection and limited bandwidth by using caches. In communicationconstrained situations, traditional demand-driven approaches ...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...