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ER
2004
Springer
119views Database» more  ER 2004»
14 years 1 months ago
Schema Evolution in Data Warehousing Environments - A Schema Transformation-Based Approach
Abstract. In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialised integrated database. The schemas of the data sources and the in...
Hao Fan, Alexandra Poulovassilis
VLDB
1994
ACM
147views Database» more  VLDB 1994»
14 years 15 days 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
ER
1999
Springer
160views Database» more  ER 1999»
14 years 21 days ago
Developing an Object-Oriented Video Database System with Spatio-Temporal Reasoning Capabilities
Video data management (VDM) is fast becoming one of seminar topics in multimedia information systems. In VDM systems, there exists an important need for novel techniques and mechan...
Shermann S.-M. Chan, Qing Li
SIGMOD
2003
ACM
147views Database» more  SIGMOD 2003»
14 years 8 months ago
Formal semantics and analysis of object queries
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
Gavin M. Bierman
GIS
2004
ACM
14 years 9 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi