78 search results - page 15 / 16 » NiagaraCQ: A Scalable Continuous Query System for Internet D... |
DEBS
2003
ACM
13 years 10 months ago
2003
ACM
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...
WWW
2004
ACM
14 years 5 months ago
2004
ACM
This paper presents a transaction-time HTTP server, called ? Apache that supports document versioning. A document often consists of a main file formatted in HTML or XML and severa...
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Data availability, collection and storage have increased dramatically in recent years, raising new technological and algorithmic challenges for database design and data management...
ISMIS
1997
Springer
13 years 9 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
ICWSM
2009
13 years 2 months ago
2009
Finding out about a topic online can be time consuming. It involves visiting multiple news sites, encyclopedia entries, video repositories and other resources while discarding irr...