964 search results - page 36 / 193 » Efficiently Ordering Query Plans for Data Integration |
226
click to vote
ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
225
click to vote
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
158
click to vote
JUCS
2008
15 years 4 months ago
2008
Abstract: Information integration applications combine data from heterogeneous sources to assist the user in solving repetitive data-intensive tasks. Currently, such applications r...
245
click to vote
SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
229
click to vote
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...