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» A Query Language for Data Access in Ubiquitous Environments
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VLDB
1994
ACM
147views Database» more  VLDB 1994»
15 years 4 months ago
Integrating a Structured-Text Retrieval System with an Object-Oriented Database System
We describe the integration of a structuredtext retrieval system (TextMachine) into an object-oriented database system (OpenODB). We use the external function capability of the da...
Tak W. Yan, Jurgen Annevelink
ISI
2008
Springer
14 years 12 months ago
Towards service-oriented continuous queries in pervasive systems
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be used...
Yann Gripay, Frédérique Laforest, Je...
EDBT
2006
ACM
127views Database» more  EDBT 2006»
16 years 6 hour ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
CJ
2004
99views more  CJ 2004»
14 years 11 months ago
Filters for XML-based Service Discovery in Pervasive Computing
Pervasive computing refers to an emerging trend towards numerous casually accessible devices connected to an increasingly ubiquitous network infrastructure. An important challenge...
Georgia Koloniari, Evaggelia Pitoura
CAISE
2003
Springer
15 years 5 months ago
Introducing Custom Language Extensions to SQL: 1999
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
Jernej Kovse, Wolfgang Mahnke