14306 search results - page 452 / 2862 » Database System Concepts |
157
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VLDB
1989
ACM
15 years 11 months ago
1989
ACM
The derived data update problem involves the transformation of modifications of derived facts into corresponding changes to base facts and other derived facts. Using a database sc...
169
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VLDB
1989
ACM
15 years 11 months ago
1989
ACM
with a full abstract specification of the data-types involved and a multi-level architecture similar to that of a DBMS. A related question is the kind of model that is most suitabl...
195
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DEBU
1998
15 years 6 months ago
1998
We describe Junglee’s Virtual Database (VDB) technology, which makes the World Wide Web and other external data sources behave as an extension of an enterprise’s relational da...
174
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WINET
2002
15 years 6 months ago
2002
Abstract. As mobility permeates into todays computing and communication arena, we envision application infrastructures that will increasingly rely on mobile technologies. Tradition...
300
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...