6974 search results - page 210 / 1395 » Querying Semi-Structured Data |
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
An eddy [2] is a highly adaptive query processing operator that continuously reoptimizes a query in response to changing runtime conditions. It does this by treating query process...
TKDE
2011
13 years 3 months ago
2011
—In reality, spatial objects (e.g., hotels) not only have spatial locations but also have quality attributes (e.g., price, star). An object p is said to dominate another one p , ...
KES
2004
Springer
14 years 1 months ago
2004
Springer
When the available information is imperfect, it is often desirable to represent it in the database, so that it can be used to answer queries of interest as much as possible. The da...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Correctly generating a structured query (e.g., an XQuery or a SQL query) requires the user to have a full understanding of the database schema, which can be a daunting task. Alter...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...