171 search results - page 20 / 35 » Extending OLAP Querying to External Object Databases |
SIGMOD
2006
ACM
14 years 6 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
ICDT
2007
ACM
14 years 27 days ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
EDBT
2006
ACM
14 years 6 months ago
2006
ACM
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...
ICDE
2009
IEEE
14 years 1 months ago
2009
IEEE
Abstract— Customized semantic query answering, personalized search, focused crawlers and localized search engines frequently focus on ranking the pages contained within a subgrap...
ECOOP
1999
Springer
13 years 11 months ago
1999
Springer
Several advanced applications, such as those dealing with the Web, need to handle data whose structure is not known a-priori. Such requirement severely limits the applicability of ...