716 search results - page 10 / 144 » Optimizing Queries in Extended Relational Databases |
WAIM
2004
Springer
15 years 4 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
ODBIS
2007
Springer
15 years 5 months ago
2007
Springer
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...
SIGMOD
2000
ACM
15 years 3 months ago
2000
ACM
We present WSQ/DSQ (pronounced “wisk-disk”), a new approach for combining the query facilities of traditional databases with existing search engines on the Web. WSQ, for Web-S...
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ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
DKE
2006
14 years 11 months ago
2006
Recursive queries are quite important in the context of XML databases. In addition, several recent papers have investigated a relational approach to store XML data and there is gr...