1286 search results - page 227 / 258 » Scalable Package Queries in Relational Database Systems |
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
The goal of a mediator system is to provide users a uniform interface to the multitude of information sources. To translate user queries, given in a mediated schema, to queries on...
KDD
1995
ACM
15 years 1 months ago
1995
ACM
Knowledge discovery in databases has become an increasingly important research topic with the advent of wide area network computing. One of the crucial problems we study in this p...
PODS
1999
ACM
15 years 2 months ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Search engine technology plays an important role in Web information retrieval. However, with Internet information explosion, traditional searching techniques cannot provide satisfa...
DATESO
2007
14 years 11 months ago
2007
We address a problem of updating XML documents having their XML schema described by a Document Type Definition (DTD) without breaking their validity. We present a way how to expre...