1860 search results - page 152 / 372 » A Model of Queries for Object-Oriented Databases |
134
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WEBDB
1999
Springer
15 years 10 months ago
1999
Springer
Accessing and integrating data from heterogeneous sources has become a significant challenge. So-called adapters provide the functionality for translating SQL queries into querie...
138
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ICDT
1997
ACM
15 years 10 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
174
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EDBT
2009
ACM
16 years 25 days ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
153
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...
148
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ICDE
2010
IEEE
16 years 5 months ago
2010
IEEE
Abstract-- In this paper, we present TransDec, an end-toend data-driven system which enables spatiotemporal queries in transportation systems with dynamic, real-time and historical...