2063 search results - page 122 / 413 » Containment of Aggregate Queries |
102
click to vote
CORR
2008
Springer
15 years 4 months ago
2008
Springer
perception of domain concepts. We have run this experiment on the 367 645 English abstracts of PASCAL 2005-2006 bibliographic database (http://www.inist.fr) and compared the struct...
132
click to vote
INFOCOM
2006
IEEE
15 years 10 months ago
2006
IEEE
— A key function for network traffic monitoring and analysis is the ability to perform aggregate queries over multiple data streams. Change detection is an important primitive w...
276
click to vote
ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
130
click to vote
IDEAS
2007
IEEE
15 years 10 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
133
click to vote
AWIC
2005
Springer
15 years 10 months ago
2005
Springer
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...