417 search results - page 75 / 84 » Rethinking cost and performance of database systems |
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
We present a new family of hybrid index maintenance strategies to be used in on-line index construction for monotonically growing text collections. These new strategies improve up...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
In recent years, publish-subscribe (pub-sub) systems based on XML document filtering have received much attention. In a typical pubsub system, subscribed users specify their inte...
WWW
2003
ACM
15 years 10 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
ICDCS
2005
IEEE
15 years 3 months ago
2005
IEEE
In recent years, data broadcasting becomes a promising technique to design a mobile information system with power conservation, high scalability and high bandwidth utilization. Ho...
IQIS
2004
ACM
15 years 3 months ago
2004
ACM
A virtual database system is software that provides unified access to multiple information sources. If the sources are overlapping in their contents and independently maintained,...