171 search results - page 20 / 35 » Extending OLAP Querying to External Object Databases |
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SIGMOD
2006
ACM
15 years 9 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
15 years 3 months 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
15 years 9 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
15 years 4 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
15 years 1 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 ...